Senior/Principal R&D Mechanical Engineer - Gas Transfer Systems, Onsite
Livermore, Alameda County, California, 94551, USA
Listed on 2026-03-01
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Engineering
Mechanical Engineer
About Sandia
Sandia National Laboratories is the nation's premier science and engineering lab for national security and technology innovation, with teams of specialists focused on cutting‑edge work in a broad array of areas. Some of the main reasons we love our jobs:
- Challenging work with amazing impact that contributes to security, peace, and freedom worldwide
- Extraordinary co‑workers
- Some of the best tools, equipment, and research facilities in the world
- Career advancement and enrichment opportunities
- Flexible work arrangements for many positions include 9/80 (work 80 hours every two weeks, with every other Friday off) and 4/10 (work 4 ten‑hour days each week) compressed workweeks, part‑time work, and telecommuting (a mix of onsite work and working from home)
- Generous vacation, strong medical and other benefits, competitive 401k, learning opportunities, relocation assistance and amenities aimed at creating a solid work/life balance*
World‑changing technologies. Life‑changing careers. Learn more about Sandia at: http://(Use the "Apply for this Job" box below)..gov
* These benefits vary by job classification.
What Your Job Will Be LikeWe are seeking a highly motivated and team‑oriented R&D Mechanical Engineer to join our Group. The Gas Transfer Systems (GTS) Group researches, designs, develops, and builds components which store hydrogen isotopes (deuterium and tritium) for extended periods of time, and then delivers precise quantities of gas.
As a GTS Mechanical Engineer, you will be part of a high performing team that applies systematic scientific approaches to evaluate emerging technologies applicability, performs mechanical component design, develops production‑ready drawings and processes, and develops and executes test plans to evaluate a component’s design, performance, and life.
Different skillsets will be required to identify viable solutions including fundamental mechanical engineering, basic statistical techniques, and excellent communication and teaming skills.
Non‑technical activities will include development of project plans, estimating costs and schedules, and reporting results to customers. You will initially serve as a team member to solve complex problems. As you mature in this role, you may progress to more difficult challenges that will draw on skillsets across the laboratory to build teams to solve multi‑disciplinary problems.
The position requires an ability to travel up to 25% to support the mission.
Due to the nature of the work, the selected applicant must be able to work onsite 100% of the time at the Livermore, CA facility.
Applicants on this requisition may be interviewed by multiple organizations at Sandia National Laboratories.
Salary Range$139,900 – $280,600
* Salary range is estimated, and actual salary will be determined after consideration of the selected candidate’s experience and qualifications, and application of any approved geographic salary differential.
Qualifications We Require- A Bachelor’s degree in a relevant discipline and five (5) years of directly relevant experience, or an equivalent combination of directly relevant education and engineering or scientific experience that demonstrates the knowledge, skills, and ability to perform independent research and development.
- Ability to obtain and maintain a U.S. DOE Q Security Clearance
The ideal R&D S&E Mechanical Engineer candidate for Sandia National Laboratories will in addition possess the following:
- Graduate degree in Mechanical Engineering or a highly related field where an independent research project was a graduation requirement (e.g., independent project, thesis, or dissertation).
- Experience with mechanical engineering and product realization in the NNSA complex.
- Strong verbal and written communication skills, ability to work effectively in multidisciplinary teams.
Also, for this posting we are seeking individuals with the following experience:
- Experience with CAD (CREO, Solid Works, etc.)
- Master’s degree in Mechanical Engineering or other STEM discipline; or a Bachelor’s degree in Mechanical Engineering or other STEM discipline with a minimum of 4 years of relevant experience or equivalent combination of education and…
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