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Added 3 mins ago
IC
Pre-si Power and Performance System Validation Engineer
Intel Corporation
TX · CA · OR
- $52,000 to $200,000 USD / year
As part of DCG, you will collaborate with experts in system design and simulation to enhance critical technologies supporting Intel's broader mission to shape the future of computing and…
Added 3 mins ago
IC
Principal Engineer, SOC Performance Architecture
Intel Corporation
OR · CA · TX
- $220,920 to $311,890 USD / year
As a Principal Engineer in SoC Performance Architecture, you will be at the forefront of developing and driving the end-to-end architectural Power and Performance specifications for…
Added 3 mins ago
Transmission Line Engineer 3 - Grid
Sargent & Lundy
Cranberry Township, PA
…knowledge of transmission line engineering including, conductors, hardware, insulation, structures, foundations and electrical principles…
Added 4 mins ago
AI
Senior Software Development Engineer
ADUS-Adobe Inc.
United States
- $159,200 to $301,600 USD / year
Typography is central to how ideas are communicated. If you're passionate about beautifully created design, have deep curiosity about what AI can do, and take personal responsibility for…
Added 8 mins ago
Systems Engineer - API
Clayton
Evaluate existing supported virtualization and SAN systems and design proposed systems to ensure lifecycle management of those systems including new technologies
Added 8 mins ago
Senior Development Test Engineer - Mechanisms
Castelion Corporation
Torrance, CA · Torance, CA
The Senior Development Test Engineer owns the planning, execution, and analysis of tests that turn designs into flight-ready mechanisms. This role sits at the center of engineering,…
Added 9 mins ago
Staff Systems Engineer
Twenty-Six Defense
Fort Worth, TX
The Staff Systems Engineer performs requirements analysis and management, technical planning, systems-level design, systems integration, verification and validation, cost and risk…
Added 11 mins ago
Network Engineer (On Site Eau Claire, WI)
Da Vinci Software
Remote, United States
Our client is seeking a a hands-on Network Engineer to design, configure, and maintain enterprise switching and routing infrastructure.
Added 14 mins ago
Electrical Engineer
Amentum
Springfield, VA
Amentum is seeking a mid to senior-level Electrical Engineer in Springfield, VA. In this role, you will be responsible for the design, development, fabrication, testing, troubleshooting,…
Added 14 mins ago
Systems Engineer III
Sierra Nevada Corporation
Lone Tree, CO
…and sustain our way of living. Join our team! As a Systems Engineer III, you will handle advanced tasks in requirements engineering, systems integration, Verification & Validation (V&V),…
Added 14 mins ago
Principal Systems Engineer
Sierra Nevada Corporation
Lone Tree, CO
…sustain our way of living. Join our team! As a Principal Systems Engineer, you will demonstrate mastery in requirements engineering, systems integration, Verification & Validation (V&V),…
Added 16 mins ago
Systems Engineer - API
Novo Nordisk
Clayton, NC
Evaluate existing supported virtualization and SAN systems and design proposed systems to ensure lifecycle management of those systems including new technologies
Added 16 mins ago
A
Network Infrastructure Engineer II
Akamai
Remote, United States
- $83,200 to $149,800 USD / year
Coordinating data center deployments from hardware requests to rack design
Added 17 mins ago
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Inside Solution Engineer - Edge AI and Advanced Compute Practice
HP
Fort Collins, CO · Fort Collins
- $83,000 to $127,800 USD / year
The Inside Solution Engineer provides remote technical support to HP's field Solution Engineers, helping them validate solutions, resolve technical issues, and advance customer engagements.…
Added 17 mins ago
A
Application Support Specialist (Enterprise Applications)
Astrolab
Hawthorne, CA
- $97,000 to $115,000 USD / year
Astrolab is The Lunar Operations Company. We design and build the systems and hardware the lunar economy will come to depend on - rovers, power, and data networks for sustained operations…
Added 18 mins ago
Senior Specialist, Operations Project Engineer
L3Harris Technologies
Salt Lake City, UT
The Operations Project Engineer (OPE) is the technical bridge between Operations and Design Engineering whose charter is to solve Design/Manufacturing/Test issues that have Business level…
Added 23 mins ago
Engineering Manager, Verification and Validation (STATCOM)
GE Vernova
Saratoga Springs, NY
Plan and oversee control system, protection, and system-level testing, including laboratory validation, hardware-in-the-loop (HIL) testing, and support for commissioning
Added 24 mins ago
Structural Engineer
Actalent
El Segundo, CA
Experience with opto-mechanical or electro-optical hardware design.
Added 24 mins ago
Systems Safety Engineer
Actalent
Middletown, RI
Job DescriptionThe Safety Engineer will utilize both quantitative and qualitative risk assessment techniques to perform comprehensive safety analysis. The role involves analyzing hardware,…
Added 24 mins ago
A
Systems Engineer
Actalent
Acton, MA
- $150,000 to $200,000 USD / year
Job title: Systems Engineer DescriptionSystems Engineer Space & Optical Sensor SystemsWe are seeking a Systems Engineer to support the development, integration, and testing of advanced…
Added 24 mins ago
A
Software Test Engineer
Actalent
Melbourne, FL
- $50 to $70 USD / hour
…reliability. You will validate software functionality on real hardware, support formal verification activities, and contribute to continuous integration processes, while collaborating…
Added 24 mins ago
Equipment Design Engineer
Actalent
Savannah, GA
Job Title: Mechanical Design Engineer Automated MachineryJob DescriptionThis role focuses on the end-to-end mechanical design and development of custom automated equipment and machinery.…
Added 24 mins ago
Sr. Quality Engineer
ARES Corporation
Greenbelt, MD
ARES seeks an experienced Sr. Quality Engineer to provide quality assurance oversight support to a Goddard Space Flight Center instrument being manufactured at GSFC. The chosen candidate…
Added 25 mins ago
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Senior Electrical Engineer
Actalent
Naperville, IL
- $60 to $86 USD / hour
Write technical documents including hardware module design descriptions and technical memoranda.
Added 26 mins ago
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Automation Engineer (Amazon RME)
Aerotek
Niagara Falls, NY
- $42 to $45 USD / hour
Job Title: Automation Engineer (Amazon RME)Job DescriptionThis role focuses on designing, developing, and implementing automation control systems for industrial processes and warehouse…

LLNL

Mechanical Test Engineer

Livermore, CA, United States

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Job details

Posting language: English
Posted: Nov 4, 2026

Original job description

Company Description 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

Defense Technologies Engineering Division (DTED) has multiple openings for Mechanical Test Engineers to support the Environmental & Mechanical Test Group. Under supervision, you will conduct experimental testing on a variety of projects related to environmental testing, modal analysis, health monitoring, aging studies, data acquisition, load testing, general instrumentation and measurement diagnostics. Work supports multiple program areas, including Strategic Deterrence, Global Security, and the National Ignition Facility. This position will report to a DTED Environmental & Mechanical Test Group Leader. 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 one or more days per week. This position 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

Design and conduct tests on mechanical and\or diagnostic systems, analyze results, and author reports.
Conduct experimental modal analyses and analyze results in concert with modeling and simulation.
Operate test equipment (shaker systems, shock machines, thermal chambers, etc.) using fundamental knowledge of best test and measurement practices.
Prepare supporting safety and engineering documentation and participate in formal engineering design reviews.
Perform supporting engineering calculations for structural, thermal, and diagnostic systems.
Participate in the detailed design process, component part fabrication and unit assembly.
Provide solutions to problems of limited complexity that require the evaluation of readily identifiable factors using standard techniques and methodologies.
Work as a member of a project team in a dynamic environment.
Interface with peers both internal and external to the organization to plan and execute testing.
Perform other duties as assigned.

Additional job responsibilities, at the SES.2 level

Independently define engineering requirements for structural, thermal, fluidic, and diagnostic systems within assigned project scope.
Generate detailed plans, schedules, and budgets for project activities.
Perform independent technical tasks and projects and support research efforts and select methods, techniques, and evaluation criteria for obtaining results based on analysis of multiple, largely identifiable factors.

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 equivalent Combination of education and experience.
Fundamental knowledge of testing practices and data processing.
Fundamental knowledge and/or experience in one or more of the following areas: vibration and shock measurements, experimental modal and dynamic analysis, general instrumentation (i.e. accelerometers, strain gages, thermo-couples, resistance thermal detectors (RTD’s), capacitance gages, laser vibrometers, pressure sensors, etc.), general data acquisition theory (Nyquist criterion, anti-aliasing, etc.).
Experience using MatLab or other computer programming codes for data manipulation and analysis.
Fundamental knowledge of engineering hardware design and fabrication.
Effective communication skills with proven ability to present technical concepts and ideas in a clear and coherent manner, both verbal and written for presentation and collaboration with other technical staff members.

Additional qualifications at the SES.2 level

Comprehensive knowledge of measurement sensors and an understanding of when to use specific sensors for certain applications
Ability to use independent judgment in determining methods, techniques, and evaluation criteria.
Comprehensive verbal and written communication skills necessary to effectively collaborate in a team environment and present and explain technical information.

Qualifications We Desire

Master’s (MS) or PhD in Mechanical Engineering

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 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 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 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 https://www.llnl.gov/inclusion/our-values

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.

Wireless and Medical Devices Per the Department of Energy (DOE), Lawrence Livermore National Laboratory must meet certain restrictions with the use and/or possession of mobile devices in Limited Areas. Depending on your job duties, you may be required to work in a Limited Area where you are not permitted to have a personal and/or laboratory mobile device in your possession. This includes, but not limited to cell phones, tablets, fitness devices, wireless headphones, and other Bluetooth/wireless enabled devices. If you use a medical device, which pairs with a mobile device, you must still follow the rules concerning the mobile device in individual sections within Limited Areas. Sensitive Compartmented Information Facilities require separate 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.

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: https://www.llnl.gov/sites/www/files/2023-05/LLNL-Job-Fraud-Statement-Updated-4.26.23.pdf

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. 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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