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Environmental Engineer 6
CDM Smith
Bellevue, WA
…Bellevue office has an immediate need for an environmental engineer with a strong background in wastewater treatment, conveyance, and pumping system design to support projects in our Water…
Added just now
Entry Water Resources Engineer
CDM Smith
Manchester, NH
Supporting projects involving climate change adaptation, coastal engineering, collection systems, CSOs, dams, drainage, and ecosystem restoration.
Added 1 min ago
Senior Project Engineer
PCL Construction
Bellevue, WA
As a Senior Project Engineer for PCL Construction Services, Inc. in Bellevue, Washington, you’ll have the opportunity to contribute to impactful projects that help shape the Northwest…
Added 2 mins ago
FE
Software Engineer Advisor
Federal Express Corporation
Remote, United States
- $8,007.29 to $18,149.85 USD / month
Prepares and conducts systems programming test requiring interfacing and software tests.
Added 2 mins ago
Supplier Quality Management Engineer
BorgWarner PDS (USA) Inc.
Seneca, SC
Minimum 5 years of experience in Automotive, Automotive Systems, or technical field is required.
Added 3 mins ago
Computer and Server Technician in Nashville, TN
Unisys Corporation
Nashville, TN
Serves as Field Engineer for large, complex clients and across the range of company products and services.
Added 3 mins ago
Lead IT Field Engineer Charlotte, NC
Unisys Corporation
Charlotte, NC
Serves as Field Engineer for large, complex clients and across the range of company products and services.
Added 3 mins ago
SE
Network Engineer III
Systems Engineering Inc
Portland, ME
- $110,000 to $125,000 USD / year
At Systems Engineering, our mission is to enable exceptional outcomes for our clients, employees, and the community.
Added 3 mins ago
Systems Engineer - API
Clayton
Responsible for the operation, maintenance, administration and improvement of selected infrastructure systems & platform systems.
Added 4 mins ago
Engineer, Asset Management (Hybrid Schedule)
Eversource Energy Service Company
Hartford, CT
The Engineer, Asset Management will have the primary responsibility for ensuring that the Eversource Business Strategy for the transmission program are optimally developed to provide the…
Added 4 mins ago
Senior Development Test Engineer - Mechanisms
Castelion Corporation
Torrance, CA · Torance, CA
Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus, ownership, and excellence are decisive…
Added 4 mins ago
BC
DSP/ML Research Engineer Intern | Summer 2027
Bose Corporation
Framingham, MA
- $40 to $51.25 USD / hour
We are looking for a Machine Learning/DSP Engineer Intern to join our research lab this summer! In this role you will help build our next generation product experiences enabling people to…
Added 4 mins ago
BC
DSP/ML Research Engineer Co-op | Spring 2027
Bose Corporation
Framingham, MA
- $40 to $51.25 USD / hour
We are looking for a Machine Learning/DSP Engineer Co-op to join our research lab this spring! In this role you will help build our next generation product experiences enabling people to…
Added 4 mins ago
Senior Telecommunication System Engineer
RINA
Chicago, IL · Lisle, IL · Houston, TX
The Senior Telecommunication System Engineer will lead the design and development of Telecom systems including Fiber optics, communications, PAGA, Intrusion detection and CCTV and Access…
Added 4 mins ago
Senior Research Prototyping Engineer
Bose Corporation
Framingham, MA
Bose is seeking a hands-on engineer to build and evaluate experimental systems combining devices, software and research-developed algorithms. Working in a multidisciplinary research team,…
Added 4 mins ago
Staff, Mapping Software Engineer
Lucid Motors
Newark, CA
We are seeking a Staff Mapping Engineer to lead the development of large-scale mapping systems
Added 5 mins ago
Senior Staff Systems Engineer
Twenty-Six Defense
Fort Worth, TX
Job Summary: The Senior Staff Systems Engineer performs requirements analysis and management, technical planning, systems level design, systems integration, verification and validation,…
Added 5 mins ago
Sr Sustaining Engineer
Twenty-Six Defense
Fort Worth, TX
…United States. Twenty-Six Defense is wholly owned by Elbit Systems Ltd. (NASDAQ: ESLT and TASE: ESLT), a global high-technology company engaged in a wide range of programs for innovative…
Added 5 mins ago
Sr Sustaining Engineer
Twenty-Six Defense
Fort Worth, TX
…United States. Twenty-Six Defense is wholly owned by Elbit Systems Ltd. (NASDAQ: ESLT and TASE: ESLT), a global high-technology company engaged in a wide range of programs for innovative…
Added 5 mins ago
Senior Systems Engineer
Twenty-Six Defense
Fort Worth, TX
Job Summary: The Senior System Engineer is responsible for supporting the development, analysis, and integration of linear, non-linear, and digital control systems by collaborating closely…
Added 5 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 5 mins ago
A&
Urology Scrub Technician
Access & Integrated Practice Holdings, LLC.
Saginaw, MI
- $24 to $31 USD / hour
United Medical Systems is a mobile healthcare services company offering shared service programs with an emphasis on delivering advanced technologies and cost- efficient solutions in the…
Added 5 mins ago
A&
Urology Scrub Technician
Access & Integrated Practice Holdings, LLC.
Flint, MI
- $24 to $31 USD / hour
United Medical Systems is a mobile healthcare services company offering shared service programs with an emphasis on delivering advanced technologies and cost- efficient solutions in the…
Added 5 mins ago
A&
Urology Scrub Technician
Access & Integrated Practice Holdings, LLC.
Fort Lauderdale, FL
- $24 to $31 USD / hour
United Medical Systems is a mobile healthcare services company offering shared service programs with an emphasis on delivering advanced technologies and cost- efficient solutions in the…
Added 5 mins ago
Senior Electrical Engineer
University of Michigan
Ann Arbor, MI
…coverage, lightning protection, security, and other electrical systems, both at the building and the regional levels. Refine, enhance, and participate in analysis and long-term planning of…

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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