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Computational Physics - Postdoctoral Researcher

Entry Level | Full-time
Postdoctoral/Fellowship | livermore, CA | 03/30/2023

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Company Description

Join us and make YOUR mark on the World!

Are you interested in joining some of the brightest talent in the world to strengthen the United States’ security? Come join Lawrence Livermore National Laboratory (LLNL) where our employees apply their expertise to create solutions for BIG ideas that make our world a better place.

We are committed to a diverse and equitable workforce with an inclusive culture that values and celebrates the diversity of our people, talents, ideas, experiences, and perspectives. This is important for continued success of the Laboratory’s mission.

Pay Range

$108,840 Annually

Job Description

We have an opening for a Postdoctoral Researcher who will apply computational physics models for trajectories and signatures of aircraft and spacecraft. You will work with an inter-disciplinary team of scientists and engineers who are developing remote sensing architectures and simulated data products for national security applications. This position is in the Physics Division/Applied Physics Section in the Astronomy and Astrophysics Analytics Group.

You will 

  • Develop simulation software tools for modeling trajectories and predicting electro-optical (EO) and short-wave infrared (SWIR) signatures of objects in Earth’s atmosphere and beyond.
  • Apply statistical models for scientific data analysis, and for developing modeling and simulation capabilities for flight systems and orbital systems.
  • Develop software with adherence to professional best practices including using version control, unit testing, writing thorough documentation, and validating models using simulated data or existing test data.
  • Support software deployment across multiple computing architectures, including high-performance computing resources.
  • Conduct self-initiated research, maintain an awareness of technical literature in assigned areas, publish research results in peer-reviewed scientific or technical journals, and present results at external conferences, seminars, and/or technical meetings (including internal progress meetings).
  • 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 Physics, Aerospace Engineering, or related field
  • A research background that includes experience in one or more of the following areas: orbital dynamics, flight dynamics, sensor modeling or design, hydrodynamics, numerical simulations, computational physics modeling, statistical modeling, or plasma physics.
  • Ability to perform independent research and find innovative solutions to complex scientific and technical problems.
  • Experience working on a research team with individuals from diverse technical backgrounds, as well as function as an independent researcher with a high level of attention to details.
  • Proficient communication skills necessary to work in a multidisciplinary team environment, author technical and scientific reports and publications, and deliver scientific presentations.

Qualifications We Desire

  • Experience modeling aircraft or spacecraft trajectories, emissions, or signatures.
  • Experience in sensor or signature modeling within the optical and infrared wavelength ranges.
  • Demonstrated experience in applying numerical modeling for software development as shown by open-source projects, scientific collaboration contributions, or an employment background that includes similar software engineering roles or responsibilities.
  • Ability to effectively use available computing architectures for project execution, such as high-performance computing (HPC) resources, and expertise with development and deployment of data processing pipelines on various computing architectures.

Additional Information

All your information will be kept confidential according to EEO guidelines.

Position Information

This is a Postdoctoral appointment with the possibility of extension to a maximum of three years, open to those who have been awarded a PhD at time of hire date.

Why Lawrence Livermore National Laboratory?

Security Clearance

This position requires a Department of Energy (DOE) Q-level clearance.  If you are selected, we will initiate a Federal background investigation to determine if you meet eligibility requirements for access to classified information or matter. Also, all L or Q cleared employees are subject to random drug testing.  Q-level clearance requires U.S. citizenship. 

Pre-Employment Drug Test

External applicant(s) selected for this position must pass a post-offer, pre-employment drug test. This includes testing for use of marijuana as Federal Law applies to us as a Federal Contractor.

Equal Employment Opportunity

We are an equal opportunity employer that is committed to providing all with a work environment free of discrimination and harassment. All qualified applicants will receive consideration for employment without regard to race, color, religion, marital status, national origin, ancestry, sex, sexual orientation, gender identity, disability, medical condition, pregnancy, protected veteran status, age, citizenship, or any other characteristic protected by applicable laws.

We invite you to review the Equal Employment Opportunity posters which include EEO is the Law and Pay Transparency Nondiscrimination Provision.

Reasonable Accommodation

Our goal is to create an accessible and inclusive experience for all candidates applying and interviewing at the Laboratory.  If you need a reasonable accommodation during the application or the recruiting process, please use our online form to submit a request. 

California Privacy Notice

The California Consumer Privacy Act (CCPA) grants privacy rights to all California residents. The law also entitles job applicants, employees, and non-employee workers to be notified of what personal information LLNL collects and for what purpose. The Employee Privacy Notice can be accessed here.

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