Latest Jobs from Physics Today

Temporary Instructor Position - WKU Dept of Physics & Astronomy | Western Kentucky University

19 hours 20 minutes ago
Bowling Green, Kentucky, The department of Physics and Astronomy at Western Kentucky University invites applications for a nine-month temporary instructor beginning August 12, 2024. We seek a person with a strong commitment to teaching undergraduate courses and laboratories in physics and/or astronomy. The successful candidate will teach up to 15 contact hours per semester in a mixture of introductory lecture and laboratory courses in physics and/or astronomy, in accordance with their preparation and experience. Courses will be assigned to minimize the number of different course preparation responsibilities.  The minimum qualifications for the position are holding an MS degree in physics, astronomy or a related field and teaching experience at least at the level of a graduate teaching assistant. Applicants should submit a cover letter, CV, a statement of teaching experience and philosophy, and unofficial transcripts at wku.interviewexchange.com, referencing position number 994922. Review of applications will begin April 24, 2024, and will be accepted until the position is filled. Inquiries about the position should be forwarded to Dr. Scott Bonham, Search Committee Chair, at [email protected].

Physics and Technology Analyst | MIT Lincoln Laboratory

23 hours 25 minutes ago
Lexington, Massachusetts, Physics & Technology Analyst MIT Lincoln Laboratory Lexington, MA The Intelligence, Surveillance and Reconnaissance (ISR) Systems and Architectures Group at MIT Lincoln Laboratory invites you to apply to join our world-class team of systems analysts. Working directly with Department of Defense (DoD) senior leadership, the group provides unbiased analysis on the DoD’s most urgent and challenging problems and recommends solutions that directly impact the course of our national defense strategy. The solutions we develop within the group often lead to advanced technology development, prototyping projects, and experimental testing, both within Lincoln Laboratory and beyond. The group’s staff are the key to the group’s national impact. They are skilled scientists and engineers who have demonstrated deep technical backgrounds and the ability to quickly learn and understand new technologies. Technical Staff members have the talent to break down complex problems and clearly communicate solutions to a wide spectrum of audiences, from technical experts to senior leaders. Our priority for the group is to deliver impactful analysis that informs DoD technology investments, while fostering the professional and personal growth of our staff. We strive for a collaborative and diverse workplace while enjoying a strong work/life balance.  What will you do? As a Technical Staff member of the ISR Systems and Architectures Group, you will be responsible for systems analysis studies of critical DoD missions, planned DoD capabilities, and new technologies. This entails contributing to the development of physics- and engineering-based models for a wide array of technologies related to sensors, aircraft, satellites, communication systems, navigation, and data exploitation. While previous experience in these systems isn’t required, you must be able to leverage your strong technical background to rapidly become knowledgeable about these technologies as you learn from, and collaborate with, experts across the Laboratory. Additionally, you will prepare and present high-quality briefings to convey key study findings and recommendations, and will deliver these to a range of audiences including DoD senior leaders, government technology experts, and Lincoln Laboratory colleagues. If you’re looking for a fast-paced, high-impact career, apply to join our team today! Requirements: Doctorate in Physics, Mathematics, Aeronautics/Astronautics, Engineering, or a related technical field. In lieu of a doctorate, a Master’s degree with 5+ years of experience will be considered Self-motivated, with the ability to work both independently and collaboratively with highly interdisciplinary teams Desired Qualifications: Minimum of 3.5 GPA Ability to quickly learn new technical areas. Demonstrated ability to break down complex technical problems and communicate key findings to a wide range of audiences. Experience with MATLAB-based modeling, simulation, and data analysis. Selected candidate will be subject to a pre-employment background investigation and must be able to obtain and maintain a Top Secret level security clearance with compartmented program eligibility. At MIT Lincoln Laboratory, our exceptional career opportunities include many outstanding benefits to help you stay healthy, feel supported, and enjoy a fulfilling work-life balance. Benefits offered to employees include:  Comprehensive health, dental, and vision plans MIT-funded pension Matching 401K Paid leave (including vacation, sick, parental, military, etc.) Tuition reimbursement and continuing education programs Mentorship programs A range of work-life balance options ... and much more!   For more information and to apply, please visit: https://careers.ll.mit.edu/job/Lexington-Physics-and-Technology-Analyst-MA-02420/1128129100/ Selected candidate will be subject to a pre-employment background investigation and must be able to obtain and maintain a Top Secret level DoD security clearance with compartmented program eligibility. MIT Lincoln Laboratory is an Equal Employment Opportunity (EEO) employer. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, veteran status, disability status, or genetic information; U.S. citizenship is required.

Associate Program Leader for Test Engineering: Z Program, Space Science and Security (SSS) | Lawrence Livermore National Laboratory

1 day 8 hours ago
Livermore, California, We have an opening for an Associate Program Leader for Test Engineering within Z Program's Space Science and Security Program (SSSP). Test Engineering is a newly formed entity in LLNL's Space Program, which will develop innovative solutions to run experiments and tests to validate new mission concepts. You will provide technical, and strategic leadership to manage execution of a complex set of test engineering projects and will serve as the primary point of contact for the program and the sponsor addressing current and evolving mission objectives for the SSSP. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. In this role you will Lead, manage, and coordinate Principal Investigators (PIs) and projects within the Test Engineering program area in SSSP, including funding oversight. Develop and track project execution plans for the program's assigned research and development projects, including allocation and monitoring of available personnel and budgets. Serve as the point of contact for relevant technical areas associated with the Test Engineering mission area and sponsors as defined by the Program Leader. Represent the Test Engineering program, with space sponsors and other U.S. Government organizations, traveling as necessary. Determine specific test requirements to meet mission goals, and to design tests that can effectively reduce key analytic uncertainties. Responsible for ensuring that testing performed by SSSP adheres to rigorous quality standards, working with the SSSP team to develop test plans and schedules to meet sponsor needs. Responsible for ensuring that test plans and resulting data meet appropriate review standards. Develop new program opportunities, including the definition and development of research proposals in collaboration with potential sponsors, as well as testing partners. Recruit staff in collaboration with counterparts, management, and matrix organizations to support the Test Engineering program mission areas while respecting execution requirements and commitments of other projects and programs in SSSP and Z Program and assist the SSSP Program Leader to balance resources with the other program areas. Maintain and ensure appropriate quality standards of highly complex projects for all the program's research and development activities including reviewing, coordinating, and approving deliverables, publications, and presentations. Develop and track project execution plans for the Test Engineering program's assigned research tasks, including allocation and monitoring of available personnel and budgets. Perform other duties as assigned. Additional job responsibilities, at the SEL.5 level Develop innovative concepts and provide expert leadership, technical vision, and strategic planning for both analytic and scientific research and development environments. Present project accomplishments and meet customer expectations, as well as identify new opportunities, goals, and application areas by leading the development of proposals interacting with senior program management. Brief work to senior management and senior U.S. Government decision makers on overall impact and approach. This position requires an active Department of Energy (DOE) Q-level clearance or active Top-Secret clearance issued by another U.S. government agency at time of hire. Also, you must have the ability to obtain and maintain Sensitive Compartmented Information (SCI) access. Bachelor's degree in Physical Science, Engineering or a related discipline, or the equivalent combination of education and related experience. Substantial experience in designing and conducting experimental tests, documenting results of experimental tests, and writing safety notes. Substantial experience managing, leading, and supervising large multidisciplinary projects and teams for external programmatic sponsors to meet deliverables. Advanced verbal and written communication skills necessary to effectively present, explain, and advise senior management and external sponsors and customers, including preparing and presenting proposals and reporting results. Demonstrated ability to motivate and collaborate with other personnel effectively in achieving project objectives. Significant experience initiating and leading scientific and technical research projects and teams and securing competitive funding for scientific research in the form of research grants or sponsored research projects. Substantial experience working in a classified environment with highly complex, multi-agency security requirements and with both classified and unclassified subject matter. Additional qualifications at the SEL.5 level Master's degree or Ph.D. in Physical Science, Engineering or a related discipline, or the equivalent combination of education and related experience. Extensive expertise in designing and conducting experimental tests, documenting results of experimental tests, and writing safety notes. Demonstrated technical knowledge of advancements that have impact beyond the Laboratory. Qualifications We Desire Experience managing a portfolio of several projects funded by different sponsors, and significant experience simultaneously managing and leading several projects. Ability and willingness to study and learn new advances in specific topics, expand personal expertise, and apply increased understanding to propose new lines of investigations. Experience in software development as shown by open-source projects, scientific collaboration contributions, or an employment background that includes software engineering roles or responsibilities. Significant experience working on a research team with individuals from diverse technical backgrounds, as well as an ability to function as an independent researcher with a high level of attention to detail. Experience working in the U.S. national security community.

Magnetic Fusion Energy - Postdoctoral Researcher | Lawrence Livermore National Laboratory

1 day 8 hours ago
Livermore, California, We have an opening for a Postdoctoral Researche r to join our team and contribute to theory and simulation research in the exciting field of the Magnetic Fusion Energy Science. As a Postdoctoral Researcher, you will play a vital role in developing groundbreaking modelling techniques and utilizing them to tackle key challenges in boundary physics of tokamak plasmas. This research position is part of the esteemed LLNL Fusion Energy Sciences Program, situated within the Physics Division. You will Contribute to the advancement of numerical simulations for boundary plasmas, encompassing MHD stability, turbulence transport and divertor detachments within various operating scenarios of tokamak plasmas. Your primary objective will involve studying the operating regimes characterized by the absence of Edge-Localized Modes (ELMs) or the presence of small ELMs, while closely investigating the resulting power and particle fluxes directed towards plasma facing components. Design and implement cutting-edge simulation techniques with the aim of advancing and expanding the capabilities of current tokamak codes, specifically in the realm of multiscale edge-physics modeling. Your role will involve designing methodologies and integrating them into existing codes to enable more comprehensive and accurate simulations of the intricate physics occurring at the boundary of tokamak plasmas across multiple scales. Pursue independent (but complementary) research interests while collaborating with diverse experts, including plasma theorists, applied mathematicians, computer scientists and fusion experimentalists, to accomplish research objectives in a multidisciplinary team environment. Contribute to research conception, design, and execution to address defined problems. Publish research finding in peer-reviewed scientific or technical journals and deliver presentations of results at external conferences, seminars, and technical meetings. Perform other duties as assigned. PhD in Physics or a closely related discipline. Experience in the development of fluid, Gyro-Landau Fluid, and/or kinetic plasma modeling codes. Expertise in applying such codes, along with advanced plasma theory, to magnetic fusion plasmas, establishing connection with experiments Ability to develop independent research projects, as demonstrated by a track record of publishing peer-reviewed literature. Proficient verbal and written communication skills, effectively enabling collaboration in team environments and the ability to present and articulate technical information clearly. Initiative and excellent interpersonal skills, and the ability to work harmoniously in a collaborative, multidisciplinary team environment. Qualifications We Desire Proficiency in programming languages, such as C++, MPI, Python, OpenMP, CUDA, RAJA, Kokkos, SYCL, and/or other scripting languages. Deep knowledge on plasma edge physics, turbulence and transport theory, Gyro-Landau-Fluid models, large scale MHD simulations, as well as moment-based neutral and impurity models. Familiarity with advanced numerical methods for discretization, efficient code-coupling techniques for multi-physics, and/or preconditioners for implicit methods. Expertise in machine learning techniques and demonstrate the ability to implement them effectively for large-scale and multi-physics plasma simulations

Reaction Kinetics - Postdoctoral Researcher | Lawrence Livermore National Laboratory

1 day 8 hours ago
Livermore, California, We have an opening for a Postdoctoral Researcher with a strong background in spectroscopic analysis to conduct research on the fundamental properties underpinning the initiation and growth of corrosion at metal surfaces. You will design and perform advanced analytical experiments to understand corrosion mechanisms in environmental conditions. This position will support a multi-disciplinary team developing corrosion models and will report to the Actinide and Lanthanide Sciences Group of the Materials Science Division. You will Perform fundamental and applied experimental work in the field of surface science. Participate in understanding the fundamental surface and interface properties of corrosion using state-of-the-art analytical instrumentation and techniques. Contribute to and actively participate in the conception, design, and execution of research to address complex problems. Pursue independent but complementary research interests and interact with a broad spectrum of scientists internally and externally to the Laboratory. Collaborate with scientists in a multidisciplinary team environment to accomplish research goals. Document and publish research in peer-reviewed journals and participate in domestic and international conferences. Perform other duties as assigned. Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship. PhD in Chemistry, Physics, Materials Science, or closely related field. Experience with X-ray diffraction, infrared or Raman spectroscopy, Auger electron spectroscopy, or similar spectroscopic techniques. Experience combining multi-instrument data sets (e.g., XRD, IR, and SEM) to interpret complex research samples. Experience with theory and modeling of surface chemical reaction mechanisms and kinetics. Ability as an innovative experimentalist with a broad range of experience in experimental design, techniques, and execution. Experience performing self-directed research, presenting talks at conferences and a record of publishing results in established scientific journals. Proficient written, verbal, and organizational skills necessary to effectively collaborate within small and large work groups. Interpersonal skills necessary to interact with a diverse set of scientists, engineers, and other technical and administrative staff. Qualifications We Desire Experience applying analytical surface science techniques (e.g., RAIRS, XPS, AES, or ToF-SIMS). Experience with complex analysis of actinide compounds. Experience with responses of materials in extreme environments, which can include irradiation, pressure, corrosion, or non-ambient temperatures.

Biogeochemistry - Postdoctoral Researcher | Lawrence Livermore National Laboratory

1 day 8 hours ago
Livermore, California, We have an opening for a Biogeochemistry Postdoctoral Researcher to investigate soil-based CO2 removal as a negative emissions pathway. You will design and execute field experiments using state-of-the-art flux monitoring equipment to assess the ability of deeply rooted and perennial grasses to enhance soil carbon sequestration. You will investigate the processes driving flux observations, specifically the relationships between plant, soil, and microbial characteristics, using field and laboratory soil biogeochemistry measurements. This position is part of a larger project to assess the capacity of soils in California to sequester carbon and the effect of land management interventions on soil carbon sequestration and will involve participation in team sampling and analysis. You will be a part of the Center for Accelerator Mass Spectrometry group in the Atmospheric, Earth & Energy Division. You will Investigate soil-based CO2 removal under deeply rooted and perennial grasses as a negative emissions pathway. Design and execute a field study using state-of-the-art soil gas flux chambers and eddy covariance data to assess the exchange of carbon between the soil and atmosphere. Conduct quality control checks, flux computation, data partitioning, uncertainty analysis, and statistical analyses of environmental data. Identify relationships between plant types, microbial processes, and soil carbon cycling. Conduct field sampling and laboratory analysis of soil carbon pools and calculate fluxes. Publish your results in peer-reviewed journals and participate in scientific conferences. Collaborate with scientists in a multidisciplinary team environment to evaluate the effects of different plan cultivars and soil treatments on soil-based CO2 removal. Perform other duties as assigned. Ability to perform fieldwork (collect gas flux, soil, biomass, and pore water samples) and experience with the measurement, analysis, and interpretation of CO2 gas flux from soils in the field. Knowledge of terrestrial carbon cycling and methods for quantifying the impact of plant and microbial processes on carbon dynamics. Experience with statistical analysis of environmental data. Ability to perform independent research and use a scientific approach to solve problems. Effective ability to collaborate with a team of scientists of diverse backgrounds. Proficient verbal and written communication skills, as evidenced by published results and presentations. Qualifications We Desire Experience maintaining and troubleshooting equipment in a field setting. Experience manipulating and analyzing large observational datasets. Programming experience in R, MATLAB, Python, or similar. Experience with stable isotopes or radioisotopes. Interest in science outreach and community engagement.

Biosciences Technician | Lawrence Livermore National Laboratory

1 day 8 hours ago
Livermore, California, NOTE: This is a flexible term position dependent on project funding. Current funding is expected for at least 3 years. The Bioscience and Biotechnology division within Physical and Life Sciences at LLNL is seeking to fill a position for a dedicated and hardworking Biosciences Technician. This role will be instrumental in leveraging expertise in systems biology and omics-based data generation, with a particular focus on histological proficiency and spatial biology techniques. Your responsibilities will include conducting experiments, analyzing data, and interpreting results to contribute to the advancement of our understanding in these critical areas. Your role will involve working on defined research projects, where you will be expected to demonstrate initiative, resourcefulness, and a keen attention to detail within a team of scientists. This position is in the Human Health Sciences group in the Biosciences and Biotechnology Division. You will: Follow standard laboratory protocols for histological preparation inclusive of tissue collection, embedding, tissue sectioning (cryotome and microtome), and mounting. Perform tissue section staining (histological, immunohistochemistry). Image and analyze histological sections (brightfield, fluorescent, confocal). Optimize sample preparation for different spatial transcriptomics and proteomics technologies. Operate a variety of laboratory equipment used in spatial transcriptomics pipelines. Work with small laboratory animals. Collaborate with colleagues for experimental design, assay performance, data acquisition and analysis. Perform technical laboratory procedures, where attention to detail, effective troubleshooting skills and good judgment are required. Maintain an accurate and detailed laboratory notebook and maintain complete records of experiments. Maintain a clean and safe laboratory work area; perform daily maintenance, clean up, and workspace organization within assigned work areas. Additional duties at the SES.2 level: Analyze current process procedures and provide feedback for the optimization and improvement of workflow. Perform quality control and maintenance of laboratory equipment and robotics. Provide occasional training on laboratory procedures to other employees. Offer feedback, identify areas of improvement and efficiency on laboratory protocols. Attend and present technical status reports at meetings. Perform other duties as assigned. BA/BS degree in Molecular/cellular biology, Genetics, Biology, Biochemistry or related field, or equivalent combination of education and experience with minimal related experience. Fundamental knowledge of histological preparation approaches. Basic microscopy expertise (brightfield, fluorescent, confocal). Knowledge about various molecular techniques (DNA/RNA extraction, PCR and qPCR, etc.) Ability to follow directions and standard written laboratory protocols. Sufficient analytical and problem-solving skills to troubleshoot discrepancies in data results and make routine recommendations. Basic computer skills, including experience with standard software and database programs such Excel, Word, and PowerPoint. Fundamental verbal and written communication and interpersonal skills to collaborate effectively in an interdisciplinary team environment and present and explain technical information. Work effectively in a fast-paced, multidisciplinary environment both independently and as a team with a diverse set of scientists, administrative, and other technical staff Effective problem-solving skills to implement solutions of limited complexity. Ability to work weekends. Qualifications at the SES.2 level: MA/MS in degree in Molecular/cellular biology, Genetics, Biology, Biochemistry, or related field Proficient with spatial transcriptomics processing and analysis pipelines. Familiarity with single-cell RNA sequencing preparation and analysis pipelines. Ability to manage supplies and laboratory quality-control procedures. Performing preventative and corrective maintenance of equipment and instruments. Qualifications we desire: Laboratory experience in execution and analysis of next generation sequencing applications. Experience working with small animal handling and models of disease. Ability to learn and develop new skills and techniques to keep pace with technological changes.

Materials Science Division Authorizing Individual/ Deputy Division Leader-Operations (DDL-OPS ) Backup | Lawrence Livermore National Laboratory

1 day 8 hours ago
Livermore, California, We have an opening for a Materials Science Division ( MSD) Authorizing Individual (AI) / Deputy Division Leader-Operations (DDL-OPS) Backup to focus on the security, safety, business practices and financial oversight of the Division's operations as well as representing the DDL - OPS in his/her absence. One main focus of the assignment involves taking on the role of Authorizing Individual (AI) for approximately 40 Work Control Documents (WCDs) within MSD, roughly one third of the division's total. A second main focus is to serve as the back-up for the DDL-OPS, as well as performing a variety of operational tasks in support of MSD. You will work with Physical and Life Sciences (PLS) and Lawrence Livermore National Laboratory (LLNL) senior operations leaders and interact and collaborate closely with MSD Division Leadership. This position is 50% funded and requires you to have funding to cover the remaining 50% of your own time through programmatic and other direct funding sources; this position is in MSD. This position will be filled at either the SEL.3 or SEL.4 level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will Review and authorize complex experimental activities in MSD Facilities; perform confirmation of controls for all laboratory work; assess and accept risk for MSD. These decisions and activities may impact organizational operations. There is a high consequence of error in the work authorization process and failure to complete assignments could negatively impact safety and compliance. Respond to internal and external auditors; resolve non-compliance issues involving the work you authorize and track issue resolution using the Institutional Tracking System (ITS); report incidents to the PLS Assurance Manager and develop and implement follow up actions. Ensure implementation of LLNL security policies and serve as the backup Operations Security (OPSEC) Sensitive Subject Matter Expert (SME), matters related to foreign national hosting, Visitor Tracking System (VTS), computer security policies, security training compliance, Modified Control, and Information Management when the DDL-OPS is not available. Serve as the Building Emergency Coordinator for B235, B242 and T2420; Respond to emergency situations as needed. Track and ensure compliance reporting for critical instruments in MSD. Represent the DDL-OPS as needed at the Directorate and institutional levels on operational matters such as safety, security, facilities, computer security, property management, radiological materials tracking, overhead budget planning, developing strategies for improving operational efficiency and managing overhead costs; act with full authority on behalf of the DDL - OPS in his/her absence; act as backup point of contact for MSD emergency response. Perform other duties as assigned. Additional job responsibilities, at the SEL.4 level Perform additional specific safety and security duties as assigned by the DDL-OPS in the primary, rather than backup role. Provide technical leadership and guidance, including scientific and programmatic direction, to a diverse group of scientists. This position requires an active Department of Energy (DOE) Q-level clearance or active Top Secret clearance issued by another U.S. government agency at time of hire. MS in materials science, physics, chemistry or a closely related field, or the equivalent combination of education and related experience. Advanced knowledge and technical expertise with PLS/MSD personnel, facilities, and experimental activities. Ability to plan the integration and implementation of new programs and/or operational best practices, and the ability to champion, lead and develop innovative principles, theories, and concepts. Significant experience ensuring safe and secure operations in complex scientific organization(s); a thorough understanding of the Work Control system. Significant technical leadership or management experience in a research and development environment, including project or program planning, budget and personnel administration with the ability to work effectively in teams and with individuals with diverse backgrounds to achieve institutional and programmatic goals. Advanced knowledge of LLNL policies, procedures and operational practices. Advanced written, verbal communication, and interpersonal skills, specifically the ability to explain and present highly complex ideas as well as to influence employees and all levels of management. Advanced organizational, decision-making, managerial, and leadership skills; ability to effectively work on multiple tasks and deliver on time. Additional qualifications at the SEL.4 level Extensive experience ensuring safe and secure operations in complex scientific organization(s). Extensive technical leadership or management experience in a research and development environment, including project or program planning, budget and personnel administration with the ability to work effectively in teams and with individuals with diverse backgrounds to achieve institutional and programmatic goals. Experience as an Authorizing Individual. Qualifications We Desire PhD in materials science, physics, chemistry or a closely related field, or the equivalent combination of education and related experience. Experience working with radiological and/or high explosive materials. Experience as a Derivative Classifier and/or Vault Type Room (VTR) user and/or host of foreign nationals. Working knowledge of DOE orders and experience with the Livermore Field Office.

Actinide Component Subject Matter Expert - Research Scientist | Lawrence Livermore National Laboratory

1 day 8 hours ago
Livermore, California, We have an opening for an Actinide Component Subject Matter Expert (SME) to support the Weapon Technologies and Engineering (WTE) program, primarily supporting the Stockpile Surveillance Group and Aging & Lifetimes (A&L) Program, as well as various other Actinide research efforts at LLNL. You will apply your technical expertise in actinide surface chemistry to support stockpile sustainment activities related to weapons core surveillance and assessments. SMEs are expected to understand how their component or subsystem meets the design intent, certification process, and mission functions given the surveillance and storage history, acceptable STS conditions, aging mechanisms, trends and models, chemical compatibilities, and other topical areas. You will hold primary responsibilities for contributing your expertise to the LLNL stockpile annual assessment review, working with the production agencies (PAs) as a Special Nuclear Materials SME for engineering evaluations for the modernization and enduring programs, and participating in additional technical reviews. You will be a central interface for your component across all systems and will work with other SMEs, scientists, designers, and system and component surveillance engineers to consolidate the understanding of your component's metallurgy, chemistry, compatibility, design philosophy, history, engineering, manufacturing and surveillance processes, and maintain and develop predictive performance models. The SME serves as Nuclear Weapons Enterprise's single point of contact for all issues associated with a particular component or subsystem. You will be expected to maintain close integration with personnel and efforts involved in A&L and component related Surveillance Programs, including managing and informing component related A&L projects. This position is in the Materials & Analytical Spectroscopy/Spectrometry group of the Materials Science Division. This position will be filled at either the SES.3 or SES.4 level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will Serve as the primary technical contact on your component's surveillance and modeling for WTE. Present the surveillance data and interpretation as the actinide component SME for the Annual Assessment process. Serve as the Design Agency's delegated authority and interface to the PAs for approval of and changes to procedures related to your component; this includes frequent travel to the production plants. Understand the materials science specific to your component and related components to assure and communicate current analyses and recommend new measurements, tests, and diagnostics targeted at increasing our ability to predict future states. Coordinate complex program requirements and deliverables for the Weapon System Program Managers. Communicate capabilities and new opportunities to a broad range of stakeholders, including Aging and Lifetimes Program and other campaigns and programs within LLNL. Serve as an integral member of an interdisciplinary team responsible for conducting and supporting research to model and simulate material properties and responses under stockpile relevant conditions. Prepare written analyses and verbal briefings that capture and communicate research results as well as periodic progress reports. Publish research results in peer-reviewed scientific or technical journals and present results at external conferences, seminars and/or technical meetings. Perform other duties as assigned. Additional job responsibilities, at the SES.4 level Nationally recognized expert in an area of actinide, gas chemistry, surface chemistry or related field. Nationally recognized subject matter expert in component aging or predictive modeling including the influence of aging on critical performance parameters and quantitative methods to measure aging signatures and their influence on performance. Nationally recognized subject matter expert in component design processes, metallography, or materials testing. Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship. PhD in Materials Science, Chemistry, Chemical Engineering, Physics or a related field, or the equivalent combination of education and related experience. Significant experience in the areas of actinide chemistry, gas chemistry, surface science, and/or related field including the influence of aging on critical performance parameters and quantitative methods to measure aging signatures and their influence on performance. Significant experience with stockpile processes, including assembly, surveillance, disassembly and inspection, materials testing and/or data analysis. Advanced knowledge of databases, spreadsheets and/or modeling techniques and the ability to maintain and interpret large data sets of testing, performance, and surveillance results. Advanced written and verbal communication skills necessary to deliver presentations and prepare written reports. Significant experience in interfacing and negotiating with a diverse set of scientists, engineers, and other technical and administrative staff to implement a defined goal related to your scientific or technical expertise. Ability and willingness to travel to the PAs (estimated 10 to 20% time on travel) to witness and approve production and surveillance processes and/or present technical content for review or collaborations. Additional qualifications at the SES,4 level Nationally recognized expert in an area of actinide, gas chemistry, surface chemistry or related field. Nationally recognized subject matter expert in component aging or predictive modeling including the influence of aging on critical performance parameters and quantitative methods to measure aging signatures and their influence on performance. Nationally recognized subject matter expert in component design processes, metallography, or materials testing. Qualifications We Desire Experience with actinide safety and/or research and development technical expertise. Experience with weapon safety and/or research and development technical expertise. Ability to model complex systems from sparse data and limited existing literature. An active Q-level clearance or equivalent.

Metals Process Scientist - Materials Science Division | Lawrence Livermore National Laboratory

1 day 8 hours ago
Livermore, California, In this role you will Conduct moderate to complex research and development related to the processing of metals and alloys, including actinide materials. Model and perform simulations of multi-phase casting operations. Participate in casting operations to fabricate complex experimental components. Perform laser-welding and laser powder-bed fusion experiments on a variety of metal alloys using unique laser properties. Characterize cast and additively manufactured materials across multiple length scales and interpret how those results influence material behavior and performance. Prepare written analyses, verbal briefings, and other products that capture and communicate results. Maintain and establish laboratory protocols, including adherence to safety and security protocols. Perform other duties as assigned. Ability to secure and maintain a U.S. DOE Q-level security clearance, which requires U.S. citizenship. Master's degree in Materials Science, Materials Engineering, Metallurgy, Nuclear Engineering, Mechanical Engineering, Physics, Chemistry, or a related field, or the equivalent combination of education and related experience. Comprehensive knowledge of two or more of the following: materials science, solidification, phase transformations, fluid dynamics, and heat transfer. Experience with materials characterization methods for structural materials (i.e., X-ray diffraction, electron microscopy, and/or optical microscopy). Experience with elemental analysis of metallic samples (i.e., mass spectrometry, energy dispersive X-ray spectrometry). Ability to work independently, as well as a member of a team. Experience operating computers to collect, analyze, and document scientific results. Proficient verbal and written communication skills necessary to interact with a diverse set of scientists, engineers, and other technical and administrative staff within a collaborative research and development environment. Additional qualifications at the SES.3 level PhD in Materials Science, Materials Engineering, Metallurgy, Nuclear Engineering, Mechanical Engineering, Physics, Chemistry, or a related field. Experience modeling processes involving fluid dynamics , heat transfer, and electromagnetic interactions using software such as ANSYS, COMSOL, Flow3D, ProCAST, etc. Experience with process controls and software such as LabView or Factory Talk, along with data analysis using MATLAB, Python, etc. Experience related to foundry and/or metals heat treatment operations. Qualifications we desire Experience related to the operation of laser-based metal additive manufacturing equipment. Experience troubleshooting and maintaining instruments. Experience working in gloveboxes. Experience handling radioactive, pyrophoric, or other hazardous materials.

Senior Computational Physicist | Lawrence Livermore National Laboratory

1 day 8 hours ago
Livermore, California, We have openings for Computational Physicists to pursue challenges relevant to national security in the development of multi-physics simulation codes. Under consultative direction you will collaborate as part of an interdisciplinary code development team in advancing the state of the art in large-scale multi-physics simulation. The national security mission involves developing simulation capabilities for Stockpile Stewardship, nuclear counter-terrorism, conventional weapons, and high energy density physics experiments. The code development focus is on models and algorithms for use in high-performance computing on the latest large-scale parallel computing platforms. You will act as a scientific/technical leader as part of large projects/programs, contribute to the development of innovative principles and ideas, will play a role in attracting and retaining projects, programs, and funding due to degree of technical expertise. This position is in the Design Physics Division within the Strategic Deterrence Directorate. In this role, you will Develop algorithms and simulation tools to advance the state of the art in multi-physics simulation for a large variety of physical processes in 2D and 3D, where problems are not well defined. Independently develop and/or provide in-depth analysis of physics capabilities in support of a diverse user community using advanced simulation tools to solve highly complex problems that may not be well defined. Provide advanced technical support, informal training, and guidance to code users in the application of simulation tools developed. Collaborate in the development of simulation tools and direct/influence the strategy and technical direction of research activities as part of a multi-disciplinary team. Present and disseminate advanced research results at scientific conferences and in peer-reviewed publications, in both open and classified environments, internal and external to LLNL. Promote and support plans to promote diversity, equity, and inclusion within the program. Set broad technical strategies and/or direct multi-disciplinary teams to achieve program goals. Perform other duties as assigned. Ability to secure and maintain a U.S. DOE Q-level clearance which requires U.S. citizenship. PhD in one or more of these specialized fields: physics, mathematics, engineering, or related field or the equivalent combination of education and related experience. Subject matter expert knowledge of highly advanced concepts to include experience and ability to lead independent work in one or more science disciplines, such as shock hydrodynamics, fluid mechanics, material behavior, particle transport, radiation transport, plasma physics. Significant experience evaluating algorithms and methods for their fitness for a particular task, as well as developing and implementing new numerical algorithms. Significant experience developing and supporting and/or leading multi-dimensional numerical simulation and demonstrated analytical and conceptual skills and creativity. Advanced programming experience/fluency in Python, FORTRAN, C and/or C++ and significant experience developing and implementing algorithms for massively-parallel computer architectures. Significant experience working independently and in a team-research environment effectively. Commitment to valuing diversity, equity, and inclusion principles in the workplace. Significant experience at the expert level in the development of principles, theories, concepts, and techniques relevant to applied physics research and experience converting theory into models or algorithms appropriate for numerical simulation.

Battery Materials Development - Academic Graduate Appointee | Lawrence Livermore National Laboratory

1 day 8 hours ago
Livermore, California, We have an opening for an Academic Graduate Appointee to participate in projects supporting a variety of Laboratory missions. As part of a multi-disciplinary team within the Materials Science Division, you will perform solution-based synthesis and coating of nanoparticles and characterize materials to create reference databases. You will actively support and be expected to participate in the design, synthesis, characterization, processing, and integration of materials with flexible electronics. In this role you will: Synthesize polymer and ceramic electrolytes. Test solid electrolytes in solid state batteries. Perform 3D printing of different materials. Characterize nanoparticles and polymer films using a variety of microscopy techniques. Keep an accurate and detailed laboratory notebook; generate, organize, and analyze experimental data; and participate in research planning. Prepare progress reports and presentations to supervisor/mentor and project teams. Provide technical support to engineers and scientists in research and development projects. Perform other duties as assigned. BS/MS in Chemistry, Chemical Engineering, Materials Science, or in a related field. Experience performing wide-ranging experiments in a chemistry laboratory setting. Knowledge of general laboratory fundamentals and best practices. Proficient verbal and written communication skills necessary to communicate technical information effectively with technicians, peers, and managers. Experience operating PC and/or Macintosh computers to collect, analyze, and document scientific results. Interpersonal skills necessary to work in a collaborative research environment and interact with a diverse set of scientists, engineers, technicians, and other technical and administrative staff. Qualifications we desire: Experience in general chemistry laboratory settings. Experience in materials synthesis and characterization. Experience with Python programming for data analysis.

Nuclear Chemist - Postdoctoral Researcher | Lawrence Livermore National Laboratory

1 day 8 hours ago
Livermore, California, We have an opening for a Postdoctoral Researcher to conduct charged particle and neutron activation experiments and develop novel assay/evaluation methods for specialty, signature activation products. You will actively participate in research to distinguish radionuclide signatures of activated materials and evaluate results with respect to verification and validation protocols applied to nuclear forensics diagnostics. This position is in the Safeguards, Nonproliferation, and Response Group of the Nuclear and Chemical Sciences Division. You will Conduct research on nuclear science topics relevant to nuclear security, nonproliferation, and nuclear threat reduction. Develop and model experimental configurations and radiation detection systems. Establish and maintain laboratory protocols and experimental procedures for the characterization of irradiated samples and perform data analysis and interpretation of results. Contribute to and actively participate in the conception, design, and execution of research to address defined problems. Document research, publish papers in peer-reviewed journals, and present results within the DOE community and at conferences. Pursue independent (but complementary) research interests and interact with a broad spectrum of scientists, both internally and externally. Collaborate with others in a multidisciplinary team to accomplish research goals. Perform other duties as assigned. Ability to obtain and maintain a U.S. DOE Q-level security clearance, which requires U.S. Citizenship. PhD in Nuclear Chemistry, Nuclear Physics, Nuclear Engineering, Radiochemistry, or related field Experience in nuclear spectroscopy, radiation detection techniques, and modeling of detector response and irradiation experimental configurations. This requires the ability to safely work with alpha-, beta-, gamma-, and neutron-emitting radioactive materials (>1 microCurie). Experience with laboratory instrumentation and associated software controls and designing, assembling, and running nuclear science experiments based on radiochemical or nuclear chemistry/physics methods. Experience in experimental nuclear science and data analysis and interpretation with applications to a variety of programmatic challenges in nuclear nonproliferation and national security. Proficient verbal and written communication skills to collaborate effectively in a multidisciplinary team and present and explain technical information. Demonstrated problem-solving, analytical, technical, organizational, and interpersonal skills to work with multiple scientific and technical teams involving members from various disciplines and performing effectively under conflicting priorities and rigorous project deadlines. Qualifications we desire Experience with MCNP, GEANT, or other radiation transport codes. Demonstrated skills in experimental/Monte-Carlo modeling. Demonstrated knowledge in nuclear decay schemes, spectroscopy, and nuclear data. Proficiency with python, root, C++, or other programming languages.

Inertial Confinement Fusion Physicist | Lawrence Livermore National Laboratory

1 day 8 hours ago
Livermore, California, We have multiple openings for Inertial Confinement Fusion Physicists to become part of the team working on the grand challenge of achieving thermonuclear ignition on the National Ignition Facility (NIF). This research requires working closely with individuals from other disciplines, such as laser experimentalists, laser scientists, target fabrication specialists and NIF Project scientists and engineers, as well as other target designers and theorists. These positions are in the Design Physics Division within the Strategic Deterrence (SD) Directorate. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. In this role you will Plan, analyze and interpret NIF laser experiments in support of the effort to achieve ignition on NIF principally with large computer codes, but also with analytic modeling. Perform computational and theoretical analyses that extrapolate our current understanding of ignition related physics to NIF and beyond. Successfully work as part of an interdisciplinary team on ICF project activities. Present research results in scientific meetings, peer reviews, and publications. Responsibilities may also include interacting with external stakeholders, both at NNSA and across the broader interagency, via offsite assignments. Promote and support plans to promote diversity, equity, and inclusion within the program. Perform other duties as assigned. Additional responsibilities at the SES.3 Level Independently develop and/or provide in depth analysis of NIF laser experiments in support of the effort to achieve ignition on NIF principally with large computer codes, but also with analytic modeling where complex problems may not be well defined. Work as technical expert on multidisciplinary team. Ability to maintain a U.S. DOE Q-level security which requires U.S. citizenship. PhD in physics or related field, or the equivalent combination of education and related experience. Comprehensive knowledge of plasma physics, hydrodynamics, or astrophysics. Experience in computational modeling of complex systems. Experience developing creative solutions to complex problems. Demonstrated ability to deliver a high quality, polished product in a timely manner. Proficient written and verbal communication skills as demonstrated by a record of publications, invited papers, or teaching experience. Demonstrated ability/commitment to valuing diversity, equity, and inclusion principles in the workplace. Demonstrated ability to interact effectively in an interdisciplinary team of scientists as well as independently. Additional qualifications at the SES.3 Level Advanced knowledge of physics, plasma physics, hydrodynamics, or astrophysics or a related field. Experience leading and mentoring as part of a multidisciplinary team. Demonstrated record of completing and/or leading top quality research in relevant areas of physics and engineering. Qualifications We Desire Experience with the use of large two and three-dimensional computer codes.

Computational Biophysicist - Postdoctoral Researcher | Lawrence Livermore National Laboratory

1 day 8 hours ago
Livermore, California, NOTE: This is a two-year term appointment with the possibility of extension to a maximum of three years. We have an opening for a highly motivated Postdoctoral Researcher to conduct research in computational biophysics and simulation, specifically with expertise in molecular dynamics simulations, enhanced sampling of rare events, machine learning, statistical analysis of molecular dynamics simulations and software development. You will be an integral member of an interdisciplinary team working with other national laboratories and companies. You will be responsible for developing new software algorithms, writing code, understanding the requirements for each simulation campaign, and creating innovative analysis tools. You will work with a team of computational biologists, physicists, material scientists, experimental biologist and computer scientists to create a novel machine-learned capability for modeling the conformational dynamics of protein complexes involved in cellular signaling pathways. This position is in the Biochemical and Biophysical Systems group of the Biosciences and Biotechnology Division. You will: Conduct advanced independent research to create a novel high performance computing capability for predicting the binding affinities and kinetics of protein-protein interactions at the atomistic and coarse-grained levels. Contribute to the software development of high-performance computing tools for robust calculations of binding free-energies and kinetics. Develop novel machine-learning based path-sampling methods for estimating protein binding rates and free energies. Develop new workflows to analyze and visualize results from complex and large-scale molecular dynamics datasets. Develop collaborations with external partners (Universities, Industry, other National Laboratories) to advance computational biology simulation efforts. Prepare complex and detailed weekly progress reports to support project needs and deadlines. Prepare complex written analyses and verbal briefings, and present research results at scientific meetings. Develop new and innovative research methods relevant to the needs of Laboratory programs and/or external funding agencies and interact with senior project staff and management to influence programmatic decisions. Write proposals, secure funding, and establish independent research projects. PhD in computer science, computational biology, computational physics, computational chemistry or equivalent combination of education and related experience. Knowledge and experience in developing novel machine-learning based methods for enhancing the sampling of rare events, using free energy methods to model protein-protein binding affinities and developing statistical analysis of large-scale molecular dynamics datasets. Experience at the postdoctoral or higher level in the fields of molecular dynamics simulations, free energy calculations, transition path theory, enhanced sampling methods, machine learning, and statistical mechanics. Demonstrate advanced computer skills including programming experience with Python or C++ in a UNIX environment as well as experience using large high-performance computing clusters, including the use of job schedulers such as SLURM, PBS or Flux. Ability to work independently on defined research projects, as well as a member of a large team. Ability to develop independent research projects as demonstrated through publication of peer-reviewed manuscripts in the field of molecular modeling and simulations. Ability to travel, as necessary, to interact with sponsors, customers and collaborators. Proficient written, verbal communication and interpersonal skills necessary to deliver presentations, prepare written reports and to interact with a diverse set of scientists, engineers, and other technical and administrative staff. Qualifications We Desire: Experience in collaborating with experimental biologists as well as understanding and using experimental data in combination with computational research. Experience in developing and training machine-learning based models in high-performance computing systems. Experience computing binding affinity, stability and/or other metrics using scoring functions like Rosetta. Experience with parallel programming tools used to develop high performance code on GPU's and/or CPU's, such as OpenMP, MPI, CUDA or OpenCL. Experience using collaborative programming workflows and tools such as git, Gitlab, or subversion.

Associate Program Leader (APL) for Chemical Operations | Lawrence Livermore National Laboratory

1 day 8 hours ago
Livermore, California, We have an opening in the Nuclear Materials Program for an Associate Program Leader (APL) for Chemical Operations to lead LLNL programmatic activities in pyrochemistry, aqueous chemistry, and analytical chemistry. The successful candidate will ensure that the team meets programmatic objectives on schedule while maintaining safe and compliant operations. You will work in a highly complex environment that requires a disciplined and tenacious work style, extensive foresight and planning, and a collaborative spirit. This position is in the Materials Science Division, supporting the Nuclear Materials Program of Weapon Technologies and Engineering (WTE) under Strategic Deterrence (SD). This position will be filled at either the SEL.4 or SEL.5 level depending on your qualifications. Additional job responsibilities (outlined below) will be assigned if you are selected at the higher level. You will Provide technical direction to the development of capabilities that address unique technical issues; exercise a high level of independent judgment in the development and deployment of innovative technologies. Ensure programmatic objectives are met by operations performed in full compliance with the ES&H Manual, the facility Design Safety Analysis (DSA) and Facility Safety Plan (FSP), and applicable Operational Safety Plans (OSPs). Plan the integration and implementation of new programs. Lead the development of novel technologies in a highly regulated environment. Establish milestones, develop schedules, track progress, and provide regular updates to program leadership, stakeholders, and sponsors. Solve complex resourcing/technical problems that have significant impacts on costs and schedules. Mentor early-career investigators, experienced project scientists, and technicians. Perform other duties as assigned. Additional job responsibilities, at the SEL.5 level Influence strategic technical decisions made by senior management and external sponsors. Identify/forecast areas of weak subject matter expertise and recruit/assign/train personnel as appropriate to strengthen operational readiness. Serve as a Nuclear Materials Program spokesperson to Laboratory management, external advisors and sponsors. Serve on external scientific or technical committees, representing the Laboratory. This position requires an active Department of Energy (DOE) Q-level clearance or active Top Secret clearance issued by another U.S. government agency at the time of hire . Master of Science degree in Chemical Engineering, Chemistry, Materials Science, or a related field, or the equivalent combination of education and related experience. Significant experience in nuclear materials chemical operations, data analysis, interpretation, and reporting. Significant leadership experience in the planning and managing of projects executed by multidisciplinary teams of experts. Proven leadership, interpersonal, and communication skills, as demonstrated by the ability to present highly complex technical topics to management, sponsors, and regulators effectively. Ability to independently assess abnormal situations with a high consequence of error and recommend/approve appropriate actions. Ability to secure and maintain certification in the Human Reliability Program (HRP), which includes polygraph examination, physical and psychological assessment, and random drug and alcohol testing. Additional qualifications at the SEL.5 Expert knowledge of nuclear materials chemical processing and analysis. Recognized ability to lead the development/improvement of nuclear materials chemical processes. Expert communication, facilitation, and collaboration skills necessary to effectively present, explain, influence, and advise senior management and external sponsors. Extensive experience and expert technical knowledge to address advancements that may have impacts beyond the Laboratory. Substantial experience working effectively with DOE and other sponsors, subject matter expert-level knowledge of DOE regulations and orders pertaining to nuclear material technologies, technical expertise with nuclear materials processing, and demonstrated understanding of operational and experimental safety issues. Qualifications We Desire Ph.D. in Chemical Engineering, Chemistry, Materials Science, or a related field. Advanced knowledge of state-of-the-art nuclear materials chemical processing and analysis. Experience in nuclear facility management, conduct of operations in a nuclear facility, and/or experience as a Fissile Material Handler.

Design Physicist | Lawrence Livermore National Laboratory

1 day 8 hours ago
Livermore, California, We are seeking exceptional Physical Scientists and Engineers with backgrounds in fields such as plasma physics, radiation transport, atomic physics, nuclear physics, physical chemistry, condensed matter physics, computational physics, or hydrodynamics. Our national-security mission encompasses aspects of computational, theoretical, and experimental physics associated with the complex processes of nuclear explosives. Under limited direction, you will be responsible for advancing our understanding and developing methodologies for important national-security challenges. This position is in the Design Physics Division within the Strategic Deterrence Directorate. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will Assess the complex physics interactions that take place in nuclear explosion. Design and provide analysis of experiments exploring the physics of nuclear explosives. Simulate weapons phenomena and perform weapons assessment and certification tasks using physical models in computer codes. Define and implement stockpile stewardship for specific weapons systems. Present and disseminate research results at scientific conferences and in peer-reviewed publications, in both open and classified environments, internal and external to LLNL. Responsibilities may also include interacting with external stakeholders, both at DOE/NNSA and across the broader interagency, as well as via offsite assignments. Develop expertise in interrelated fields of physics important to weapons assessment and certification. Travel minimally or substantially based on needs of projects. Recognize and support plans to promote and foster a culture of inclusion, diversity, equity, and accountability within the workplace. Perform other duties as assigned. Additional job responsibilities at the SES.3 Level Independently develop, assess and provide in depth analysis of the complex physics interactions that take place in nuclear explosion where problems may not be well defined. Work as technical expert on multidisciplinary team. Guide the analysis and lead the design of experiments exploring the physics of nuclear explosives. Ability to obtain and maintain a U.S. DOE Q-level security clearance which requires U.S. Citizenship. PhD in physics, engineering, or a related field or equivalent level of demonstrated knowledge. Demonstrated record of completing outstanding research in relevant areas of physics and engineering. Experience with computer-based design and analysis of experiments. Demonstrated aptitude for mastering new fields of physics; a record of creativity, physical insight, and breadth of understanding in applications of complex physical processes. Experience in using advanced computational facilities for applied physics analysis and conducting applied physics research. Proficient verbal and written communication and presentation skills necessary to author technical and scientific reports, publications, invited papers, and to deliver scientific presentations. Experience working effectively independently and in a multidisciplinary, team-research environment. Demonstrated self-motivation and initiative in addressing challenging problems. Demonstrated ability/commitment to promote and value inclusion, diversity, equity, and accountability principles in the workplace. Additional qualifications at the SES.3 Level Advanced knowledge of physics, engineering, or a related field. Significant experience and ability to lead independent work conducting applied physics research. Demonstrated record of leading top quality research in relevant areas of physics and engineering.

Computational Physicist | Lawrence Livermore National Laboratory

1 day 8 hours ago
Livermore, California, We have multiple openings for Computational Physicists aiming to improve national security through the development of simulation codes for world class supercomputing architectures. You will collaborate as part of an interdisciplinary team in advancing state-of-the-art physics simulation capabilities. Applications may include inertial confinement fusion, high-energy density physics, nuclear/conventional weapons, or nuclear counterterrorism. Our projects span the range from smaller, focused research codes/modules to multi-physics, multi-application production codes. This position is in the Design Physics Division within the Strategic Deterrence Directorate. These positions will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will Build simulation tools using modern software practices as part of a team. Develop models and algorithms to support physics capabilities for a diverse application space. Support users of your simulation tools. Share results through conferences, reports/publications, and potential interactions with collaborators. Recognize and support plans to promote and foster a culture of inclusion, diversity, equity, and accountability within the workplace. Perform other tasks as assigned. Additional responsibilities at the mid-career (SES. 3) level Develop and critically assess physics capabilities to support applications requiring advanced simulation tools to solve complex problems. Collaborate as a technical expert on multidisciplinary teams. Set specific technical strategies to achieve project goals. Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship. PhD or equivalent level of proficiency in physics, mathematics, engineering, or related field. Proficiency in developing scientific applications in Python, C/C++, or FORTRAN. Proficiency in converting theory into computational models, implementing computational models, or evaluating computational algorithms and methods for their applicability. Effective verbal and written communication skills and experience authoring high-quality reports/publications and delivering effective technical presentations. Demonstrated ability/commitment to promote and value inclusion, diversity, equity, and accountability principles in the workplace. Additional qualifications at the mid-career (SES.3) level Advanced knowledge of physics, mathematics, engineering, or a related field. Significant professional programming experience. Experience in leading, mentoring, and/or collaborating within teams. Advanced verbal and written communication skills and a demonstrated record of delivering top-quality research in relevant areas of science and engineering. Qualifications We Desire Expertise in one or more science disciplines, such as shock hydrodynamics, solid/fluid mechanics, materials science, particle transport, radiation transport, nuclear physics, plasma physics, or physical chemistry. Proficiency in developing and supporting multi-dimensional numerical simulation. Proficiency in developing scientific simulations for high-performance and/or heterogeneous computing systems (e.g., use of MPI, OpenMP, Cuda/HIP, or other HPC technologies). Proficiency in developing advanced technical solutions (e.g., numerical algorithms). Proficiency in working in a multidisciplinary team-research environment, demonstrating creativity and initiative in addressing challenging problems.

Postdoctoral Researcher- Cloud microphysics and aerosol-cloud interactions | Lawrence Livermore National Laboratory

1 day 8 hours ago
Livermore, California, We are excited to offer an opportunity for a Postdoctoral Researcher to conduct research in cloud microphysics modeling and aerosol-cloud interactions in atmospheric simulations at large-eddy simulation scales. Research will entail model development in a new exascale atmospheric code to represent cloud microphysics in a Lagrangian framework and interactions between aerosol particles and clouds. Simulation results will be compared to observations and experimental data. You will work within a multidisciplinary team of scientists, engineers, programmers, and project managers to develop, implement, and apply these modeling capabilities in a state-of-the art atmospheric model with GPU parallelization, which will then be used to explore aerosol-cloud interactions in simulations of transport and dispersion and also cloud processes for climate science applications. This position is in the Atmospheric, Earth & Energy Division, Atmospheric Science Research and Applications Group. You Will Develop numerical methods and physics parameterizations appropriate for modeling the microphysical processes of clouds in the atmosphere and cloud interactions with aerosols. Implement modules into a state-of-the-art C++ based multiscale environmental solver with adaptive mesh refinement. Conduct research in the physics of aerosol-cloud interactions and cloud processes. Conduct research in multiscale atmospheric simulation and the transport of hazardous materials. Contribute to and actively participate in the conception, design, and execution of code physics development and scientific inquiry. Work with other experts in a large team to facilitate synergistic model development and high-impact science. Organize, analyze, and present data from research in journal publications and at professional conferences. Pursue independent (but complementary) research interests of your choosing. Interact with a broad spectrum of scientists internally and externally to the Laboratory. Perform other duties as assigned. PhD in atmospheric science, meteorology, engineering, nuclear science, or similar field. Experience with one or more of the following areas: numerical simulation methods for atmospheric modeling, cloud or aerosol microphysics, atmospheric transport and dispersion, or advanced scientific programming in C++ Demonstrated ability to develop independent research pathways as demonstrated through publication of peer-reviewed literature. Demonstrated proficient verbal and written communication skills to collaborate effectively in a team environment and present and explain technical information. Demonstrated initiative and interpersonal skills and ability to work in a collaborative, multidisciplinary team environment. Qualifications We Desire Experience with developing cloud or aerosol microphysics models. Experience with Lagrangian models for cloud or aerosol microphysics or transport and dispersion. Experience with multiscale, urban, or large-eddy simulation scale atmospheric modeling. Experience with adaptive mesh refinement. Experience with GPU programming.

Dynamic Radiographic Researcher - Active Security Clearance Required | Lawrence Livermore National Laboratory

1 day 8 hours ago
Livermore, California, We have an opening for a Dynamic Radiographic Researcher seeking to impact national security by designing, conducting, and analyzing experiments in the field of nuclear weapon science. You will collaborate as part of an interdisciplinary team providing an emphasis on radiography as a primary diagnostic for explosively driven experiments. These positions are in the Design Physics Division within the Strategic Deterrence Principal Directorate. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. In this role, you will Design and conduct experiments in the field of nuclear weapon science with an emphasis on flash radiography as a primary diagnostic for explosively driven experiments. Learn and utilize specialized computational tools and techniques for processing and analyzing radiographic imaging data. Optimize flash radiography diagnostic setups and techniques. Characterize x-ray sources and detectors for aiding quantitative radiographic measurements. Apply analysis techniques to plan experiments with an emphasis on simulating radiographic data. Collaborate on multidisciplinary teams to further advance radiographic diagnostic techniques. Share results via conferences, reports/publications, and potential interactions with stakeholders. Recognize and support plans to promote and foster a culture of inclusion, diversity, equity, and accountability within the workplace. Other tasks as assigned. Additional responsibilities at the mid-career (SES. 3) level Define experiment radiographic requirements in the field of nuclear weapon science emphasis on flash radiography as a primary diagnostic for explosively driven experiments. Develop and advance computational tools and techniques for processing, simulating, and analyzing radiographic images. Identify, advocate, and facilitate the advancement of diagnostic capabilities in the area of flash radiographic imaging of explosive driven experiments. Manage and oversee multiple parallel complex projects and experiments at different stages of development. This position requires an active Department of Energy (DOE) Q-level clearance or active Top-Secret clearance issued by another U.S. government agency at the time of hire. Master's degree in physics, mathematics, engineering, or related field or equivalent combination of education and related experience. Experience conducting applied research with hands-on experience with experimental and diagnostic hardware. Experience with and knowledge of scientific data analysis. Effective verbal and written communication skills and experience authoring high-quality reports/publications and delivering effective technical presentations. Additional qualifications at the mid-career (SES.3) level Advanced knowledge of physics, mathematics, engineering, or a related field. Fluency in Python, C/C++, Matlab, or similar programming language(s). Significant experience with leading, mentoring, and/or collaborating within teams. Advanced verbal and written communication and experience delivering top-quality research in relevant areas of science and engineering. Qualifications We Desire PhD in relevant science or engineering discipline. Significant experience in one or more science disciplines, such as shock hydrodynamics, solid/fluid mechanics, materials science, particle transport, radiation transport, nuclear physics, plasma physics or physical chemistry. Demonstrated experience with dynamic radiography as a diagnostic. Knowledge of x-ray sources and detectors. Experience working around explosives and/or other high hazard materials or effects (such as ionizing radiation). Experience developing creative and innovative technical solutions in a radiography-relevant field or in image processing and analysis. Experience working in a multi-disciplinary team-research environment, demonstrating self-motivation and initiative in addressing challenging problems. Demonstrated ability/commitment to promote and value inclusion, diversity, equity, and accountability principles in the workplace.
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