Senior Staff Mechanical Engineer
Mainspring Energy is hiring for Senior Staff Mechanical Engineer in Menlo Park, CA. Staff level. First seen August 6, 2026; open as of November 13, 2026. Jobs taken straight from company career pages — no aggregator in between.
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- Company
- Mainspring Energy
- Where
- Menlo Park, CA
- Level
- Staff
- First seen
- August 6, 2026
- Listed via
- Lever
What the posting says
In this role, you will guide system-level design decisions, resolve complex cross-functional tradeoffs, identify risks that may not be visible within individual projects, and create technical leverage through architecture, standards, validation strategy, and high-quality decision-making. This role is intended for engineers who have already demonstrated advanced technical ownership within a major subsystem, team, or technical area and are now ready to influence outcomes across a broader part of the organization. A strong candidate should be able to operate with high autonomy, frame ambiguous…
Read more and apply on Mainspring Energy's site
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