[Job Radar](https://jobradar.live/) / [Jobs](https://jobradar.live/ilanlar) / Staff Mechanical Engineer, Sealing Systems

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On-site
Menlo Park, CA
Posted · 19.09.2026
Lever (US)

# Staff Mechanical Engineer, Sealing Systems

Mainspring Energy

About Mainspring
Mainspring Energy manufactures and delivers fuel-flexible, low-emissions local power solutions that rapidly add new capacity and deliver reliable, affordable, and sustainable electric power. The company began commercial shipments of its Mainspring Linear Generators in 2020 and today has hundreds of megawatts in advanced development and field operations for leading Fortune 500 companies, data centers, and utilities. Mainspring also partners with global energy leaders including AEP, NextEra Energy Resources, Schneider Electric, and more.
The core values that ground our work, guide our decisions, and connect us together:
Pragmatic Optimism
Excellence without Ego
Proactive Collaboration

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