Weapon System Engineer

We have multiple openings for Weapon System Engineers to support cross-functional engineering activities in support of the Laboratorys nuclear weapon modernization mission. Staff will be responsible for supporting warhead component development and production  delivering mature product definition and executing production agency qualification activities on time to meet program milestones and national deterrence requirements. You will work with a multi-disciplinary team to bring component subassembly and system level designs to sustained rate production. These positions are in the Defense Technologies Engineering Division (DTED) within the Engineering Directorate. DTED provides support for Strategic Deterrence (SD) Programs.

Depending on your assignment this position may offer a hybrid schedule blending in-person and virtual presence. You may have the flexibility to work from home up to one day per week. 

These positions will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. 

You will

• Utilize comprehensive engineering knowledge and apply relevant experience and broad technical concepts and techniques to resolve complex technical and programmatic issues.
• Have ownership of component and Product Realization Team documentation including product definition project plans qualification plans design requirement documents and interface definitions following standard techniques and methodologies.
• Lead engineering component test operations and collaborate with team members in analyzing results and writing technical reports.
• Review and support producibility manufacturability and/or surveillance process issues and provide solutions to operational problems of varied complexity.
• Participate in and lead formal and informal engineering design reviews multi-site meetings and program reviews.
• Perform other duties as assigned.

Additional job responsibilities at the SES.3 level 

• Provide technical expertise in materials science mechanical and electromechanical design solving challenges of significant complexity.
• Produce advanced conceptual and detail designs in support of on-going projects.
• Lead and/or provide guidance and technical direction to multidisciplinary project teams in a growing dynamic environment.
• Provide guidance and/or formal mentoring to less experienced team members.

Qualifications :

• Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship. 
• Bachelors degree in Engineering or related technical field or the equivalent combination of education and related experience.
• Familiarity and fundamental knowledge of and experience with requirements development and engineering drawings.
• Fundamental knowledge of and operational experience with engineering testing processes and demonstrated ability to conduct data analyses.
• Familiarity with the transition from design to production.
• Fundamental knowledge of and/or applied experience with material properties and manufacturing methods.
• Strong verbal and written communication and interpersonal skills to effectively collaborate in a multidisciplinary team environment present and explain technical information.
• Ability to travel up to 25% time.

Additional qualifications at the SES.3 level

• Comprehensive knowledge and understanding of hardware design fabrication or testing processes.
• Advanced knowledge of Systems Engineering principles including requirements development and verification.
• Experience preparing and conducting design/project reviews as well as performing and completing the subsequent documentation tracking and reporting of action items.
• Experience organizing directing and monitoring schedule and budgets for multiple concurrent projects and the ability to reprioritize and change programmatic direction depending on emergent requests.

Qualifications We Desire

• Active Department of Energy (DOE) Q-level clearance or active Top Secret clearance issued by another U.S. government agency at the time of hire
• Masters degree in Engineering or related field.
• Ability to interpret specifications and mechanical drawings including Geometric Dimensioning & Tolerancing (GD&T).
• Experience in formal production definition releases configuration management and Product Lifecycle Management systems.
• Experience working in the NNSAs nuclear weapons program. Working knowledge of NNSAs Defense Programs Business Process Systems.

Pay Range

$146340 - $222564 Annually
$146340 - $185544 Annually for the SES.2 level
$175530 - $222564 Annually for the SES.3 level

This is the lowest to highest salary in good faith 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 :

#LI-Hybrid

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)
• Our values - visit  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.

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  Remote Work :

  No

  
  

  Employment Type :

  Full-time