# Jobs at Mainspring Energy

> Open roles at Mainspring Energy: Staff Mechanical Engineer, Sealing Systems, Staff Mechanical Engineer, Sealing Systems, Principal Electrical Engineer - Power Plant Integration Lead and more. Updated weekly on 1752vc Careers. Updated 2026-09-24. 41 open roles.

- [Staff Mechanical Engineer, Sealing Systems at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-staff-mechanical-engineer-sealing-systems/): Menlo Park, CA, On-site, Senior, $172K to $203K, posted 2026-09-18
- [Staff Mechanical Engineer, Sealing Systems at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-staff-mechanical-engineer-sealing-systems-2/): Menlo Park, CA, On-site, Senior, $172K to $230K, posted 2026-09-18
- [Principal Electrical Engineer - Power Plant Integration Lead at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-principal-electrical-engineer-power-plant-integration-lead/): Menlo Park, CA, On-site, Principal and up, $221K to $260K, posted 2026-09-17
- [Senior Reaction Controls Engineer at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-senior-reaction-controls-engineer/): Menlo Park, CA, Hybrid, Senior, $134K to $159K, posted 2026-09-17
- [Senior Staff Electrical Engineer - Power Plant Integration Lead at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-senior-staff-electrical-engineer-power-plant-integration-lead/): Menlo Park, CA, On-site, Senior, $209K to $246K, posted 2026-09-17
- [Staff Electrical Engineer - Power Plant Integration Lead at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-staff-electrical-engineer-power-plant-integration-lead/): Menlo Park, CA, On-site, Senior, $181K to $213K, posted 2026-09-17
- [Electrical Engineer, Electronics Design at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-electrical-engineer-electronics-design/): Menlo Park, CA, On-site, Mid level, $125K to $213K, posted 2026-09-16
- [Field Service Engineer at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-field-service-engineer/): Menlo Park, CA, On-site, Mid level, $108K to $123K, posted 2026-09-09
- [Embedded Controls Systems Engineering Manager at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-embedded-controls-systems-engineering-manager/): Menlo Park, CA, On-site, Senior, $168K to $198K, posted 2026-09-08
- [Senior Buyer / NPI Buyer Electronics at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-senior-buyer-npi-buyer-electronics/): Menlo Park, CA, On-site, Senior, $98K to $115K, posted 2026-09-08
- [Mechanical Drafter - CAD at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-mechanical-drafter-cad/): Monterrey, Nuevo León, On-site, Mid level, posted 2026-09-03
- [Director of Origination - Public Power at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-director-of-origination-public-power/): Remote, Remote, Principal and up, $167K to $191K, posted 2026-09-02
- [Senior Originator - Public Power at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-senior-originator-public-power/): Remote, Remote, Senior, $145K to $170K, posted 2026-09-02
- [Electronics Returns & Repair Manager at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-electronics-returns-and-repair-manager/): Menlo Park, CA, On-site, Senior, $130K to $153K, posted 2026-08-27
- [Manager, Technical Writing Team at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-manager-technical-writing-team/): Menlo Park, CA, On-site, Senior, $117K to $137K, posted 2026-08-26
- [Senior DevOps Engineer at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-senior-devops-engineer/): Menlo Park, CA, On-site, Senior, $135K to $159K, posted 2026-08-26
- [Senior Software Engineer in Test at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-senior-software-engineer-in-test/): Menlo Park, CA, On-site, Senior, $135K to $159K, posted 2026-08-24
- [R&D Test Engineer at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-r-and-d-test-engineer/): Menlo Park, CA, On-site, Mid level, $109K to $124K, posted 2026-08-21
- [Staff Supply Chain Project Manager at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-staff-supply-chain-project-manager/): Remote, Remote, Senior, $137K to $161K, posted 2026-08-19
- [Senior/Staff Materials Process Engineer at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-senior-staff-materials-process-engineer/): Menlo Park, CA, On-site, Senior, $126K to $178K, posted 2026-08-18
- [Senior Electrical Engineer, Electronics Design at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-senior-electrical-engineer-electronics-design/): Menlo Park, CA, On-site, Senior, $147K to $173K, posted 2026-08-14
- [Staff Electrical Engineer, Electronics Design at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-staff-electrical-engineer-electronics-design/): Menlo Park, CA, On-site, Senior, $181K to $213K, posted 2026-08-14
- [Senior Materials and Process Engineer at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-senior-materials-and-process-engineer/): Menlo Park, CA, On-site, Senior, $126K to $148K, posted 2026-08-13
- [Staff Materials and Process Engineer at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-staff-materials-and-process-engineer/): Menlo Park, CA, On-site, Senior, $150K to $178K, posted 2026-08-13
- [Director, Reliability Engineering at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-director-reliability-engineering/): Menlo Park, CA, Hybrid, Principal and up, $200K to $265K, posted 2026-08-12
- [Director of Channel Sales at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-director-of-channel-sales/): Menlo Park, CA, Remote, Principal and up, $145K to $191K, posted 2026-08-11
- [Embedded Software Manager at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-embedded-software-manager/): Menlo Park, CA, Hybrid, Senior, $170K to $200K, posted 2026-08-11
- [Senior Embedded Software Manager at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-senior-embedded-software-manager/): Menlo Park, CA, Hybrid, Senior, $185K to $220K, posted 2026-08-11
- [Senior Software Engineering Manager at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-senior-software-engineering-manager/): Menlo Park, CA, On-site, Senior, $187K to $220K, posted 2026-08-11
- [Mechanical Engineer at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-mechanical-engineer/): Menlo Park, CA, On-site, Mid level, $119K to $140K, posted 2026-08-06
- [Principal Mechanical Engineer at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-principal-mechanical-engineer/): Menlo Park, CA, On-site, Principal and up, $210K to $247K, posted 2026-08-06
- [Senior Mechanical Engineer at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-senior-mechanical-engineer/): Menlo Park, CA, On-site, Senior, $140K to $165K, posted 2026-08-06
- [Senior Staff Mechanical Engineer at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-senior-staff-mechanical-engineer/): Menlo Park, CA, On-site, Senior, $186K to $225K, posted 2026-08-06
- [Senior Modeling & Simulation Engineer: Controls Integration at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-senior-modeling-and-simulation-engineer-controls-integration/): Menlo Park, CA, Hybrid, Senior, $135K to $160K, posted 2026-08-05
- [Staff CFD Modeling Engineer at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-staff-cfd-modeling-engineer/): Menlo Park, CA, Hybrid, Senior, $160K to $190K, posted 2026-08-05
- [Staff Mechanical Engineer at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-staff-mechanical-engineer/): Menlo Park, CA, On-site, Senior, $172K to $203K, posted 2026-08-05
- [Staff Reliability Engineer at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-staff-reliability-engineer/): Menlo Park, CA, On-site, Senior, $151K to $178K, posted 2026-08-05
- [Staff Software Controls Engineer - Site Control at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-staff-software-controls-engineer-site-control/): Menlo Park, CA, On-site, Senior, $162K to $190K, posted 2026-08-05
- [Vice President, Financial Planning & Analysis at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-vice-president-financial-planning-and-analysis/): Menlo Park, CA, Hybrid, Principal and up, $263K to $300K, posted 2026-08-05
- [Staff Manufacturing Process Engineer at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-staff-manufacturing-process-engineer/): Menlo Park, CA, On-site, Senior, $138K to $162K, posted 2026-08-03
- [Senior Account Executive, Industrial at Mainspring Energy](https://www.1752.vc/careers/jobs/mainspring-energy-senior-account-executive-industrial/): Houston, TX, Remote, Senior, $145K to $170K, posted 2026-07-31

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