Senior Sustaining Controls Engineer
mainspringenergy
| Company | mainspringenergy |
| Category | Engineering |
| Location | Menlo Park |
| Remote | On-site (inferred) |
| Employment | Not stated |
| Level | Senior |
| Salary | USD 135k–158k |
| Posted | 13 May 2026 |
| Last verified | 11 Aug 2026 |
| Source | Employer ATS (lever) |
Description
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
Job Overview
The Sustaining Controls Engineer will play a crucial role in the success of our product automatically and reliably fulfilling customers’ electricity demand. You will work closely with cross-functional teams to diagnose and resolve issues, differentiate between mechanical, electrical, and software-related problems, and document solutions to increase product reliability and reduce maintenance needs. This position is ideal for a multidisciplinary engineer who enjoys working on complex systems and has a keen eye for detail.