Mechanical Engineer – Generalist

Lawrence Livermore National Laboratory; Livermore (CA); Presencial; USD 122.000 - 186.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Flexible schedules

Descripción de la vacante

Lawrence Livermore National Laboratory (LLNL) has multiple openings for Generalist Mechanical Engineers in Livermore, CA, supporting NIF&PS / Light Matter and Fusion projects. These full-time, on-site roles require a DOE Q clearance and entail design, testing, and integration of complex mechanical systems.

Positions will be filled at SES.1 or SES.2 level based on experience. The pay range and responsibilities reflect progressive levels with opportunities for engineering leadership and

Formación

• Bachelor's degree in Mechanical Engineering or related discipline.
• Fundamental knowledge of and experience with the design, commissioning, operation, and maintenance of limited complexity systems.
• Foundational understanding of design principles and their practical application.
• Experience using standard project management practices to drive project success.

Responsabilidades

• Operate under general direction with limited responsibility, adhere to established procedures, and use fundamental knowledge and standard techniques to solve problems and contribute to project milestone completion.
• Participate in the design and engineering of current and next-generation laser and electromechanical systems, as well as supporting equipment and components, by contributing to the development of conceptual designs and performing supporting analysis in accordance with derived requirements.
• Collaborate and support team members in the detailed design process, component part fabrication, and unit assembly for systems of limited complexity.
• Participate and collaborate with team members in the design and characterization of machine subsystems, including prototype testing and diagnostics, assessing tolerance stack-ups, formulating error budgets, and applying measured error compensation systems.
• Participate in the development and execution of test plans for prototype components and systems, ensuring robust performance and reliability by providing recommendations and solutions to problems of limited complexity.
• Contribute to the analysis for components and participate in providing supporting safety and engineering documentation to ensure compliance with process requirements and operational excellence.
• Present technical findings and participate in engineering design reviews to drive project success.
• Prepare technical documents and author clear, concise technical presentations.
• Participate in the development and implementation of solutions for commissioning, maintenance, and calibration procedures for well-defined subsystems, including analyzing, summarizing, and presenting data results.
• Contribute to the development of detailed plans, schedules, and budgets for project activities under general direction to support efficient project execution.
• Collaborate closely with team members to ensure the successful integration and proper functioning of commissioned systems.
• Perform other duties as assigned.

Conocimientos

Clearance eligibility

Mechanical engineering

Systems engineering

Data analysis

Project management

Verbal and written communication

Team collaboration

Educación

Bachelor's degree in Mechanical Engineering or related discipline

Descripción del empleo

Entry Level | Full-time
Engineering | Livermore, CA | 10/15/2026
Reference #: REF8993R
Job Code: SES.1 Science & Engineering MTS 1 / SES.2 Science & Engineering MTS 2
Organization: Engineering
Position Type: Career Indefinite
Security Clearance: Anticipated DOE Q clearance (requires U.S. citizenship and a federal background investigation)
Drug Test: Required for external applicant(s) selected for this position (includes testing for use of marijuana)
Medical Exam: Not applicable

Join us and make YOUR mark on the World!

Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability.

Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact.

Job Description

We have multiple openings for Generalist Mechanical Engineers. This work supports National Ignition Facility & Photon Science (NIF&PS) / Light Matter and Fusion (LMF) projects, home to the world’s most energetic laser. It is an exciting time to join the team that achievedfusion ignition in December 2022, a historic moment in science, opening up new physics regimes and setting the stage for new fusion energy possibilities.

This position requires full-time on-site presence due to the nature of the work.

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.

In this role you will,

• Operate under general direction with limited responsibility, adhere to established procedures, and use fundamental knowledge and standard techniques to solve problems and contribute to project milestone completion.
• Participate in the design and engineering of current and next-generation laser and electromechanical systems, as well as supporting equipment and components, by contributing to the development of conceptual designs and performing supporting analysis in accordance with derived requirements.
• Collaborate and support team members in the detailed design process, component part fabrication, and unit assembly for systems of limited complexity.
• Participate and collaborate with team members in the design and characterization of machine subsystems, including prototype testing and diagnostics, assessing tolerance stack-ups, formulating error budgets, and applying measured error compensation systems.
• Participate in the development and execution of test plans for prototype components and systems, ensuring robust performance and reliability by providing recommendations and solutions to problems of limited complexity.
• Contribute to the analysis for components and participate in providing supporting safety and engineering documentation to ensure compliance with process requirements and operational excellence.
• Present technical findings and participate in engineering design reviews to drive project success.
• Prepare technical documents and author clear, concise technical presentations.
• Participate in the development and implementation of solutions for commissioning, maintenance, and calibration procedures for well-defined subsystems, including analyzing, summarizing, and presenting data results.
• Contribute to the development of detailed plans, schedules, and budgets for project activities under general direction to support efficient project execution.
• Collaborate closely with team members to ensure the successful integration and proper functioning of commissioned systems.
• Perform other duties as assigned.

Additional job responsibilities, at the SES.2 level

• Work under limited direction with moderate responsibility, use comprehensive knowledge, and exercise independent judgment to determine methods and recommend improvements within established frameworks and contribute to the fulfillment of project and organizational goals.
• Contribute to the scope, schedule, budget, and quality of moderately complex to complex engineering work and provide regular updates to management to ensure alignment with project objectives.
• Provide solutions to moderately complex engineering problems and contribute to the development of enhanced system capabilities, leveraging comprehensive knowledge of systems engineering processes.
• Independently determine methods, techniques, and evaluation criteria for contributing to the hardware design and function of commissioning instrumentation and tooling under limited direction.

Qualifications

• Ability to obtain and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship.
• Bachelor's degree in Mechanical Engineering or related discipline, or an equivalent combination of education and relevant experience.
• Fundamental knowledge of and experience with the design, commissioning, operation, and maintenance of limited complexity systems.
• Fundamental knowledge of common data analysis techniques, statistics, and/or systems engineering.
• Basic operational experience with, and fundamental knowledge of machine structural design, assembly, or control design processes.
• Foundational understanding of design principles and their practical application.
• Experience applying established process engineering and workflow optimization.
• Experience using standard project management practices to drive project success.
• Experience participating with multidisciplinary teams to solve technical problems of limited complexity, while working under general direction.
• Sufficient verbal and written communication skills to collaborate effectively in a multidisciplinary team environment and present and explain technical information.

Additional qualifications at the SES.2 level

• Comprehensive knowledge of moderately complex to complex precision hardware and mechanical system design.
• Comprehensive knowledge of and experience with design, commissioning, operation, and maintenance of mechanical systems.
• Broad experience applying systems engineering processes to mechanical design and testing.
• Broad experience in identifying, defining, and solving moderately complex to complex multi-disciplinary problems in a timely, cost-effective manner.
• Proficiency and broad experience participating as an active member of design review processes, and/or informally mentoring others in areas of technical specialty.
• Demonstrated ability to exercise independent judgment in determining optimal techniques, methods, and evaluation criteria for addressing assigned technical problems, interacting with management, and providing input on technical issues for specific projects.

Pay Range

$121,830 - $185,544 Annually
$121,830 - $154,500 Annually for the SES.1 level
$146,340 - $185,544 Annually for the SES.2 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 employee’s 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 2026Best Places to Work by Glassdoor!
• Flexible schedules (*depending on project needs)

This position requires a Department of Energy (DOE) Q-level clearance.If you are selected, wewill initiate a Federal background investigation to determine if youmeet 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.

Wireless and Medical Devices

Per the Department of Energy (DOE), Lawrence Livermore National Laboratory must meet certain restrictions with the useand/or possession ofmobile devices in Limited Areas. Depending on your job duties, you may be required to work in a Limited Area whereyou are not permitted to have a personal and/or laboratory mobile devicein your possession. This includes, but not limited to cell phones, tablets, fitness devices, wireless headphones, and other Bluetooth/wireless enabled devices.

Ifyou useamedical device, whichpairs with a mobile device,you must still follow the rules concerningthe mobile device in individual sections within Limited Areas. Sensitive Compartmented Information Facilities requireseparate approval. Hearing aids without wireless capabilities or wireless that has been disabled are allowed in Limited Areas, Secure Space and Transit/Buffer Space within buildings.

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.

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.

CaliforniaPrivacy Notice

The California Consumer Privacy Act (CCPA) grants privacy rights to all California residents. The law also entitlesjob 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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