Jobs in the United States

25+ jobs

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Added 8 mins ago
A
Electrical Engineer
Actalent
Halfmoon, NY
- $120,000 to $160,000 USD / year
Electrical Engineer - Power Electronics & LED Systems
Added 17 mins ago
Mechanical Test Engineer - CLB - 2nd Shift
General Dynamics Electric Boat
Groton, CT
Shipyard Test Organization (D272) is seeking highly motivated candidates to lead and instruct STO-Mechanical Testers in the safe conduct of Columbia Class Steam and Electric Plant systems,…
Added 25 mins ago
Senior Associate Engineer - Mechanical
McKinstry Company
Missoula, MT
Our team is growing! We are currently seeking a Senior Associate Engineer - Mechanical to join our Engineering and Design divison in Missoula, MT. Engineers at McKinstry are unsurpassed in…
Added 25 mins ago
EG
Workday Adaptive Planning Engineer
Eliassen Group
Helena, MT
- $65 to $75 USD / hour
Our client is seeking a Workday Adaptive Planning Engineer to design, build, and maintain financial planning and forecasting solutions. The role partners with FP&A, Accounting, and Finance…
Added 25 mins ago
EG
Quality Assurance Engineer - PHP
Eliassen Group
Helena, MT
- $40 to $50 USD / hour
Our client seeks a results-driven Senior Quality Assurance Engineer to support Policyholder Portal applications. The role requires manual, automation, mobile, API, and database testing…
Added 30 mins ago
Electronic Fabrication Technician
California Institute Of Technology Jet Propulsion Laboratory
United States
…development and instrumentation services; calibration services, test equipment loan pool and metrology engineering, and technical inventory management, cryogenics services and Flight…
Added 30 mins ago
VI
System Test Lead
Viasat, Inc.
Carlsbad, CA · Reston, VA · Germantown, MD
- $190,500 to $285,500 USD / year
We have an exciting new opportunity for a System Test Engineer to join our Government team! You will work with a cross functional team in the development of our latest generation government…
Added 30 mins ago
Systems Integration Engineer - Antenna Systems
Viasat, Inc.
Duluth, GA
We have an exciting new opportunity for a Systems Integration Engineer to join our Antenna Systems team in Duluth. GA! In this role, you will play a hands-on role in the integration,…
Added 30 mins ago
PN
Senior Software Engineer III
Pacific Northwest National Laboratory
Richland, WA · Seattle, WA
- $133,100 USD / year
We are seeking a Senior Software Engineer to join PNNL's advanced SI engineering team and help build next-generation systems across agentic SI platforms, large-scale data orchestration, and…
Added 30 mins ago
PN
Lead Software Engineer IV
Pacific Northwest National Laboratory
Richland, WA · Seattle, WA
- $161,300 USD / year
We are seeking an exceptional Lead Software Engineer to architect and build next-generation SI systems at PNNL, spanning agentic SI platforms, petabyte-scale data orchestration, and…
Added 30 mins ago
PN
Early Career Software Engineer
Pacific Northwest National Laboratory
Richland, WA
- $83,100 USD / year
We are seeking a motivated Early Career Software Engineer to join our dynamic team at PNNL and contribute to cutting-edge projects that shape the future of critical technology supporting…
Added 30 mins ago
PN
Software Engineer II
Pacific Northwest National Laboratory
Richland, WA · Seattle, WA
- $109,000 USD / year
We are seeking a motivated Software Engineer to join our dynamic team at PNNL and contribute to cutting-edge projects that shape the future of critical technology supporting national…
Added 40 mins ago
Senior Quality Assurance Engineer
Pearson
Remote, United States
As a QA Engineer, you will oversee quality assurance activities associated with software analysis. This includes developing test plans, performing exploratory testing and executing…
Added 42 mins ago
J
Java Product Engineer / Full Stack Java Developer
Jobgether
Remote, United States
- $90,000 to $110,000 USD / year
…applications and next steps. Our partner is looking for a Java Product Engineer / Full Stack Java Developer based in the United…
Added 44 mins ago
Firmware Engineer - GPU
NVIDIA USA
CA
We are searching for an outstanding software engineer to fill an exciting, yet fun role on our GPU Firmware team. You will be joining a team whose primary mission is solving the intricate…
Added 44 mins ago
A
Entry Level Civil Design Engineer
Actalent
Brooklyn, NY
- $75,000 to $100,000 USD / year
HIRNG: Entry Level Civil Engineer!Job DescriptionWe are seeking a talented Civil Engineer to perform civil design tasks, focusing on roadway geometrics, grading, and drainage systems. This…
Added 46 mins ago
Associate Engineer
Unilever United States, Inc.
Trumbull, CT
You’re a strategy guru: You will provide product options and develop, test and modify if necessary to meet consumer, customer and factory needs within a set timeframe and cost requirements.
Added 49 mins ago
Staff Software Engineer (AI Native Development)
Payroll Integrations Inc
NY · Carlsbad, CA · Marietta, GA
Staff Software Engineer (AI-Native Development)
Added 49 mins ago
Senior Product Manager
Payroll Integrations Inc
NY · Carlsbad, CA · Marietta, GA
…agentic-first delivery model, where written implementation specs and test-driven development feed AI agents that generate tests and review pull requests. Product works the same way: we use…
Added 50 mins ago
Sr. Sustaining Mechanical Engineer
MURRYSVLLE-RIUS
Murrysville, PA
Sr. Sustaining Mechanical Engineer (Murrysville, PA)
Added 54 mins ago
Materials & Processes Engineer/Principal Engineer (Composites) - 2nd Shift
Northrop Grumman
Iuka, MS
Northrop Grumman Aeronautics Systems has an opening for a experienced Materials & Processes Engineer / Principal Materials & Processes Engineer - 2nd Shift specializing in composite…
Added 54 mins ago
Ground Systems Engineer I, Electrical
Rocket Lab USA
Stennis Space Center, MS
…execution history with the Electron program. GROUND SYSTEMS ENGINEER I, ELECTRICAL Based out of Rocket Lab's Test Facility at Stennis Space Center in Mississippi, the Ground Systems…
Added 54 mins ago
Field Coordinator
Entergy
Clinton, MS
…field construction problems in coordination with Construction Engineer and project…
Added 54 mins ago
MS
Competitive Intelligence Spec / R70198 / Remote
Motorola Solutions
Corinth, MS
- $150,000 to $175,000 USD / year
…Estimation & BOM Modeling: Demonstrated ability to reverse-engineer competitor hardware, system requirements, and RF accessory configurations in cooperation with our engineering and product…
Added 54 mins ago
Trainmaster 106635
Canadian Pacific
Meridian, MS

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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