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R&D Test Engineer

Mainspring Energy is hiring for R&D Test Engineer in Menlo Park, CA. Mid level. First seen August 25, 2026; open as of November 12, 2026. Jobs taken straight from company career pages — no aggregator in between.

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Company
Mainspring Energy
Where
Menlo Park, CA
Level
Mid
First seen
August 25, 2026
Listed via
Lever

What the posting says

Job Overview Mainspring is seeking an open-minded, curious, and highly motivated R&D Test Engineer who likes to solve challenging cross-functional problems in both a research and production environment. In this role, you will design and execute tests on the Linear Generator, focusing on new electrical and software changes that improve product capabilities and performance.You will lead critical sub-system and system-level development and validation tests on new releases of our product and gain exposure to the entire system, including electrical and mechanical components, software, and…

Read more and apply on Mainspring Energy's site

This page includes information from the O*NET 31.0 Database by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA). Used under the CC BY 4.0 license. O*NET® is a trademark of USDOL/ETA.