Postdoctoral Researcher - Atmospheric Modeling

Lawrence Livermore National Laboratory
Livermore, CA 94550

Join us and make YOUR mark on the World!

Come join Lawrence Livermore National Laboratory (LLNL) where we apply science and technology to make the world a safer place; now one of 2020 Best Places to Work by Glassdoor!

We have multiple openings for Postdoctoral Researchers to join a multidisciplinary team developing state-of-the-art multiscale atmospheric and Earth system simulation methods for a variety of energy, environmental, and national security applications. You will work with leading scientists and engineers in wind energy, wildfire, and atmospheric dispersion in the creation and development of novel methods to apply Earth-system simulation techniques across scales using high-performance computing. You will have opportunities to work on model development, model validation, and scientific discovery tasks in support of these efforts, and to expand your skills by collaborating with expert staff in advanced computation, machine learning, and statistics. This position is in the Atmospheric, Earth & Energy Division (AEED).

Essential Duties
- Conduct creative research in the fields of atmospheric and Earth-system modeling.
- Develop, validate, and apply computational models of physical processes relevant to renewable energy, wildfires, atmospheric transport and dispersion of hazardous materials at different scales.
- Analyze computational and observational datasets relevant to the applications.
- Publish research results in peer-reviewed journals and technical reports, and present results at scientific conferences.
- Pursue related research that enhances your technical skills and interact with a broad spectrum of scientists internally and externally.
- Perform other duties as assigned.

- Recent PhD in atmospheric science; mechanical, civil, or environmental engineering, or a closely related field.
- Experience in one or more of the following areas: atmospheric sciences, mesoscale and/or microscale atmospheric modeling, atmospheric boundary layer physics, atmospheric turbulence, large-eddy simulation, atmospheric chemistry, aerosol science, atmospheric dispersion, nuclear/radiological sources and effects, and field data collection/analysis.
- Experience with numerical methods and model development.
- Proficiency with programing languages including Fortran, C++, Python, or MATLAB.
- Experience conducting research in atmospheric science, engineering or closely related field, and can travel as required to collaborate with researchers.
- Experience with large model and observational datasets, modern programming environments, and visualization techniques.
- Proficient verbal and written communication skills.
Desired Qualifications
- Experience with an operational numerical weather prediction or computational fluid dynamics (CFD)models such as e.g. the Weather Research and Forecasting (WRF), or OpenFOAM models.
- Experience with methods to track the evolution of surfaces within a computational grid (e.g. level set, volume of fluids, or immersed boundary methods) or multiphase flow techniques.
- Experience with uncertainty quantification, ensembles, machine learning, statistical analysis, cloud microphysics, nuclear/radiological sources and effect and familiarity with high-performance computing, including GPU programming, MPI/OpenMP.

Pre-Employment Drug Test: External applicant(s) selected for this position will be required to 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.

Security Clearance: None required.

However, if your assignment is longer than 179 days cumulatively within a calendar year, you must go through the Personal Identity Verification process. This process includes completing an online background investigation form and receiving approval of the background check. (This process does not apply to foreign nationals.)

Note: This is a 2 year Postdoctoral appointment with the possibility of extension to a maximum of 3 years. Eligible candidates are those who have been awarded a PhD at time of hire date.

About Us

Lawrence Livermore National Laboratory (LLNL), located in the San Francisco Bay Area (East Bay), is a premier applied science laboratory that is part of the National Nuclear Security Administration (NNSA) within the Department of Energy (DOE). LLNL's mission is strengthening national security by developing and applyingcutting-edge science, technology, and engineering that respond with vision, quality, integrity, and technical excellence to scientific issues of national importance. The Laboratory has a current annual budget of about $2.3 billion, employing approximately 6,900 employees.

LLNL is an affirmative action/ equal opportunity employer. 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, protected veteran status, age, citizenship, or any other characteristic protected by law.


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Postdoctoral Researcher - Atmospheric Modeling

Lawrence Livermore National Laboratory
Livermore, CA 94550

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