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Added 7 mins ago
Senior Electrical Project Engineer (Contract)
Actalent
Knoxville, TN
Help standardize aging and obsolete hoist control systems across multiple facilities
Added 7 mins ago
Software Engineer, Infrastructure - Central Growth
Meta
Nashville, TN
…billion-user product, and increasingly we are building AI-native systems so growth scales out-of-the-box to every new product Meta launches. If you want to work on products and platforms…
Added 13 mins ago
Senior Analytics Engineer
COLLETTE TRAVEL SERVICE INC
Pawtucket, RI
Collette is looking for a Sr. Analytics Engineer to join our growing Data and Analytics Team. This is a hybrid role based at our headquarters in Pawtucket, RI.
Added 16 mins ago
SP
Engineer - Boiler Operations
Sierra Pacific Industries
Redding, CA
- $75,000 to $95,000 USD / year
Develop, implement, and maintain standardized chemistry requirements for boiler and cooling-water systems in coordination with the Boiler Operations and Maintenance (O&M) Program Engineer…
Added 16 mins ago
SP
Engineer - Boiler Operations
Sierra Pacific Industries
Eugene, OR
- $75,000 to $95,000 USD / year
Develop, implement, and maintain standardized chemistry requirements for boiler and cooling-water systems in coordination with the Boiler Operations and Maintenance (O&M) Program Engineer…
Added 16 mins ago
SP
Engineer - Data
Sierra Pacific Industries
Redding, CA
- $85,000 to $115,000 USD / year
…ethic is recognized and rewarded. We are looking for an Data Engineer to become a valued member of our IT team that takes pride in effectively responding to business needs and directly…
Added 21 mins ago
Advanced Lead Supplier Quality Engineer - Composites
GE Aerospace
Omaha, NE
…production of advanced jet engines, components, and integrated systems that power commercial and military aircraft. You’ll be part of a team that embraces your drive, your curiosity, and…
Added 22 mins ago
Software Engineer, Infrastructure - Central Growth
Meta
Lincoln, NE
…billion-user product, and increasingly we are building AI-native systems so growth scales out-of-the-box to every new product Meta launches. If you want to work on products and platforms…
Added 23 mins ago
Senior Software Engineer - ZTC
Cloudflare
Austin, TX
As a software engineer on the Zero Trust Connectivity team, you will contribute across a wide range of technologies and systems to deliver new solutions that connect Cloudflare One products…
Added 28 mins ago
Senior Analytics Engineer
COLLETTE TRAVEL SERVICE INC
Pawtucket, RI
Collette is looking for a Sr. Analytics Engineer to join our growing Data and Analytics Team. This is a hybrid role based at our headquarters in Pawtucket, RI.
Added 34 mins ago
Specialist, Electrical Engineer 1
L3Harris
Fort Wayne, IN
L3Harris is seeking a highly driven Electrical Design Engineer to support the design and development of advanced Ground Support Equipment for use in testing and simulation of…
Added 34 mins ago
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Database Developer
TEKsystems
Indianapolis, IN
- $40 to $60 USD / hour
Job Title: Database Developer (Software Engineer I) Summary: Works closely with the IHIE Developers, Product Owners, Support/Integration Teams, and partners to design solutions for data…
Added 42 mins ago
Deputy Director, Design-Build Project Delivery
City of New York
New York City, NY
…industry’s best practices to ensure that high efficiency building systems are being designed, procured, constructed, and operated for optimal impact and…
Added 45 mins ago
Mechanical Resident Engineer
DataOne
Vineland, NJ
DataOne is hiring a Resident Engineer – Mechanical to provide on-site engineering oversight and construction quality monitoring for mechanical systems at our Vineland data center. This…
Added 48 mins ago
O
Senior Data Center Low Voltage Engineer
Oracle
United States
- $74,100 to $148,300 USD / year
Deploys physical plant cabling systems as instructed. Implements infrastructure for Oracle data centers. Builds relationships with Program Management teams to support completion of project…
Added 48 mins ago
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Lead Principal Core Infrastructure Engineer
Oracle
Nashville, TN
- $146,300 to $306,400 USD / year
Mentors teams and leads the architecture of highly scalable, interdependent distributed systems. Identifies and removes performance/scalability bottlenecks for hyper‑scale workloads;…
Added 48 mins ago
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Principal Core Infrastructure Engineer (Nashville, TN, relo available)
Oracle
Nashville, TN
- $114,600 to $234,600 USD / year
Leads development and begins architecting components of scalable, elastic distributed systems. Defines and enforces scalability requirements for owned components; optimizes code and data…
Added 49 mins ago
System Test Engineer - Level 3 or 4
Northrop Grumman
Huntsville, AL
Northrop Grumman Space Systems, Multi-Domain Operations, and Missile Defense Integration Business Unit (BU) has an exciting career opportunity for a Systems Test Engineer – Level 3 or 4 to…
Added 49 mins ago
Staff / Sr Principal Electrical Engineer
Northrop Grumman
Huntsville, AL
Senior Principal Electrical Engineer or Staff Principal Electrical Engineer position in the Huntsville Hardware Engineering functional department. This position will support one or more…
Added 49 mins ago
Sr Electrical Engineer
Leidos
Huntsville, AL
Leidos Defense Systems is seeking a highly motivated Sr Electrical Engineer who loves collaboration and being a part of something big, to join our team. This role drives the implementation…
Added 49 mins ago
Electronics Manufacturing Engineer
Leidos
Huntsville, AL
Leidos is seeking a talented Manufacturing Engineer to join a diverse team to create unique solutions for complex problems. With offices across the United States engaging in the defense,…
Added 49 mins ago
Sr Mechanical Engineer
Leidos
Huntsville, AL
Leidos Defense Systems is seeking a highly motivated Sr Mechanical Engineer who loves collaboration and being a part of something big, to join our team. This role drives the implementation…
Added 49 mins ago
Senior Applied Aerodynamics Engineer
Leidos
Huntsville, AL
Leidos’ Defense Sector - Kinetic Effects Business Area, has an opportunity for a Senior Applied Aerodynamics Engineer to work at our Huntsville, AL campus leading design and analysis of…
Added 49 mins ago
Mechanical Design Engineer
Leidos
Huntsville, AL
Leidos’ Defense Systems Mechanical Design & Analysis Department is seeking a Mechanical Design Engineer to join our team in Huntsville Alabama designing the next generation of air defense…
Added 49 mins ago
System Safety Engineer
Leidos
Huntsville, AL
Leidos Defense is seeking a System Safety Engineer to join a matrixed organization of systems engineers, model-based systems engineers, and specialty systems engineers. This System Safety…

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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