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Atmospheric Scientist

Mid-Senior Level | Full-time
Physical Life Sciences | livermore, CA | 05/12/2023

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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 essential to innovation and creativity for continued success of the Laboratory’s mission.

Pay Range

$148,650.00  - $190,932.00  Annually for the SES.3 level

Please note that the pay range information is a general guideline only. Many factors are taken into consideration when setting starting pay including education, experience, the external labor market, and internal equity.

Job Description

We have an opening for an atmospheric scientist to support emergency operations as part of the National Atmospheric Release Advisory Center (NARAC –, a national support and resource center for emergency response and analysis of hazardous atmospheric releases.  You will be part of an interdisciplinary team using the NARAC modeling suite to provide emergency and routine scientific support for users of NARAC.  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 quickly and accurately using the NARAC modeling suite and provide solutions of moderate complexity.
  • Provide consulting and regular, routine scientific support to and for users of NARAC, especially assessments of Lagrangian dispersion modeling results.
  • Serve on the team for monthly on-call rotation in the NARAC Operations Center.
  • Develop and document advanced standard operating procedures for the operations team.
  • Perform other duties as assigned. 


  • Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship.
  •  Masters in meteorology, Atmospheric Science, or closely related field, and the equivalent combination of education and related experience.
  • Significant experience applying microscale, boundary layer, or air pollution meteorology theories to solve moderately complex problems.
  • Advanced 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.

Qualifications we desire

  • Experience working in an operational or emergency response role
  • Experience with modeling radiological or nuclear hazards
  • Phd meteorology, Atmospheric Science, or closely related field
  • Experience running atmospheric dispersion models (e.g. AERMOD, CALPUFF, CMAQ, FLEXPART)
  • Experience with object-oriented concepts and programming languages such as Python, Java, C++, Windows, JSON, Typescript

Additional Information

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

Position Information

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

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.

Beware of Fraudulent Job Postings. LLNL’s hiring practices:

  • Never requires job applicants to pay an application/training fee or submit personal documents like bank account details, passport number, Social Security number, tax forms or credit card information as part of the application process. 
  • For interviews and to be granted access to a Federal facility, a LLNL employee will contact you directly to collect visa, passport number, and/or Social Security number.  To vet the authenticity of the employee please have them provide you their name and phone number and verify at
  • Involves at least one interview (virtual or in-person) and never interviews job applicants through chat platforms such as Google Hangouts, or via correspondence through text and instant messaging systems.
  • Only sends email communications to job applicants from domain “” or via their applicant tracking system, [email protected]. Occasionally LLNL uses third-party vendors that will contact you about job opportunities.  If a recruiter contacts you to apply, you will always be directed to our career page to apply through our career site.
  • Encourages all applicants to visit LLNL’s careers page at if they saw the job posting on another site prior to applying to ensure the job posting is accurate and valid.

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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