Associate Manufacturing Engineer
at Mainspring Energy · 251-500 employees
Series F · $258M · Apr 2025
- Location
- Menlo Park, CA
- Posted
- Jun 2026
at Mainspring Energy · 251-500 employees
Mainspring Energy designs and manufactures fuel-flexible linear generators—dispatchable, low-emission units scalable from ~250 kW to grid-level arrays—deployed onsite for data centers, EV microgrids, commercial, industrial, and utility customers.
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