Atmospheric Transport and Dispersion Modeler Staff Scientist

We have an opening for an Atmospheric Scientist and Modeler to work on consequence assessment in response to the dispersal of hazardous material. This position will be part of a multidisciplinary team within the National Atmospheric Release Advisory Center (NARAC  ) a national support and resource center for emergency planning real-time assessment emergency response and detailed studies of atmospheric releases of nuclear radiological chemical biological and hazardous natural materials. This position is in the Atmospheric Science Research and Applications group within the Atmospheric Earth and Energy Division of the Physical Life Science Directorate.

In this role you will

• Create atmospheric dispersion modeling calculations for hazardous atmospheric releases and provide consequence assessments.
• Develop assessments using output from NARACs modeling tools for scientific support and resolution of moderately complex to complex technical problems.
• Communicate results to internal and external audiences ranging from peers to sponsoring organizations via written technical reports and presentations.
• Serve as part of monthly on-call rotations in the NARAC Operations Center.
• Provide technical expertise and scientific support to NARAC users and stakeholders.
• Develop and document operating procedures and perform monthly testing of the NARAC modeling suite.
• Perform other duties as assigned. 

In addition at the SES.3 level:

• Lead complex technical projects and tasks providing technical direction and coordinating project scope staffing schedules and budgets.
• Develop proposed work scopes and contribute to or lead written proposals for sponsors.
• Independently conduct novel research develop or adapt modeling methods and capabilities and document findings in technical reports peer-reviewed publications and presentations.
• Serve as a technical expert providing guidance to team members and contributing to technical strategy for atmospheric consequence assessment activities.

Qualifications :

• Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship.
• M.S. or higher in Meteorology Atmospheric Science Engineering or a closely related field or the equivalent combination of education and relevant experience.
• Desire to work in an operational or emergency response role.
• Experience applying microscale boundary layer or regional meteorology theories to solve moderately complex to complex problems.
• Proficient verbal and written communication skills necessary to interact in a clear and concise manner and explain technical information.
• Initiative interpersonal skills and ability to work in a dynamic sometimes fast-paced multidisciplinary team environment.
• Ability to occasionally travel to coordinate work with collaborators.

In addition at the SES.3 level:

• Advanced knowledge in atmospheric science atmospheric transport and dispersion numerical modeling or a related specialty with demonstrated ability to independently lead technical work.
• Demonstrated experience in proposal development.
• Established track record in advancing research in atmospheric processes as demonstrated through publications and other research products.
• Advanced verbal and written communication skills necessary to provide technical advice to management sponsors and collaborators.

Qualifications we desire

• Experience creating regional or national weather forecasts and communicating weather impacts to a non-expert audience.
• Familiarity with atmospheric forecast models (e.g. WRF MPAS CESM or similar) including urban-scale atmospheric models.
• Familiarity with atmospheric dispersion models (e.g. Hysplit FLEXPART STILT AERMOD CALPUFF CMAQ or similar).
• Programming experience with languages such as Python Matlab C FORTRAN or Java.

Pay Range

$146340 - $222564 Annually

$146340 - $185544 Annually for SES.2 level

$175530 - $222564 Annually for SES.3 level

This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting; pay will not be below any applicable local minimum wage.  An employees position within the salary range will be based on several factors including but not limited to specific competencies relevant education qualifications certifications experience skills seniority geographic location performance and business or organizational needs.

Additional Information :

Position Information

This is a Career Indefinite position open to Lab employees and external candidates.

Why Lawrence Livermore National Laboratory

• Included in 2026 Best Places to Work by Glassdoor!
• Flexible Benefits Package
• 401(k)
• Relocation Assistance
• Education Reimbursement Program
• Flexible schedules (*depending on project needs)
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  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. 

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  Remote Work :

  No

  
  

  Employment Type :

  Full-time