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Senior System Engineer

Mid-Senior Level | Full-time
Engineering | livermore, CA | 01/16/2024

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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
$159,330.00  - $204,636.00  Annually
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 multiple openings for a Sr. System Engineer to support the Weapon Technologies and Engineering (WTE) W80-4 Life Extension and W87-1 Modification Programs within the Systems Engineering and Integration (SE&I) group. Your primary focus will be to provide support for a set of high-level technical Systems Engineering activities, working with a group of systems engineering professionals, to provide project integration and management of requirements, mapping of designs, functions, failure mechanisms, risks, assessments and verifications to requirements. These positions are in the Defense Technologies Engineering Division (DTED), supporting the Weapon Technologies and Engineering (WTE) Program.

You will

  • Support SE&I group in project systems engineering, development, execution, expertise, and systems analytic methods that support product qualification and system certification.
  • Define, track, and complete work objectives on time and within budget in collaboration with group and LEP/MOD personnel. Monitor performance required to meet programmatic milestones and deliverables and lead corrective actions where necessary.
  • Lead component and subsystem specific technical requirements development including but not limited to performance requirements identification, interface requirements management, and traceability to verification activities.
  • Collaborate with external agencies for jointly developed deliverables.
  • Promote the systems engineering discipline and participate in hiring activities to support WTE and Strategic Deterrence programs.
  • Responsible for ensuring that program risks and requirements are communicated in an effective and timely manner to leadership. Influence technical decisions made by management, based on SE&I activities.
  • Perform WTE and Strategic Deterrence special assignments and represent the Programs and DTED at meetings, briefings, and committee activities both internal and external to the Laboratory.
  • Mentor team members in common SE&I practices and activities.
  • Perform other duties as assigned.


  • Ability to obtain and maintain a U.S. DOE Q-level security clearance which requires U.S. Citizenship.
  • Bachelor’s degree in Engineering or related field, or the equivalent combination of education and related experience.
  • Significant experience with systems engineering practices for requirements, designs, functions, failure mechanisms, risks, assessments, and verifications.
  • Advanced understanding and application of systems engineering tools and techniques, product realization processes, project work planning, scheduling, cost estimating, analyzing and managing budgets, and project controls reporting.
  • Ability to promote and maintain productive relationships across directorates, with other laboratories, and with personnel from external entities.
  • Ability to work independently with minimal direction and use independent judgement in determining systems engineering methods and techniques.
  • Excellent communication, facilitation, and collaboration skills, necessary to present, explain, and advise management and/or external sponsors.
  • Significant experience working independently and responsively to changing priorities and ability to meet deadlines.

Qualifications We Desire

  • Master’s degree in Engineering or related field.
  • Broad knowledge of Laboratory policies and practices and applicable NNSA orders.
  • Subject matter knowledge of nuclear warhead engineering, assessments, and design.

Additional Information

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.

Pre-Placement Medical Exam

A job related pre-placement medical examination may be required.

How to identify fake job advertisements

Please be aware of recruitment scams where people or entities are misusing the name of Lawrence Livermore National Laboratory (LLNL) to post fake job advertisements. LLNL never extends an offer without a personal interview and will never charge a fee for joining our company. All current job openings are displayed on the Career Page under “Find Your Job” of our website. If you have encountered a job posting or have been approached with a job offer that you suspect may be fraudulent, we strongly recommend you do not respond.

To learn more about recruitment scams:

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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