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Mainspring Energy careers
92 open roles · Energy & Industrials
· updated 2026-11-15
Every Mainspring Energy opening we track, in one list.
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Open roles
- Associate Operations Support Specialist II Remote
- Controls Engineer - Electrical Systems Control Menlo Park, CA
- Corporate Paralegal Remote
- Cost Engineer Menlo Park, CA
- Director of Mechanical Engineering Menlo Park, CA
- Director of Origination - Public Power Remote
- Director, Electrical Strategic Sourcing Menlo Park, CA
- Director, Regulatory Menlo Park, CA
- Director, Reliability Engineering Menlo Park, CA
- Electrical Engineer - Inverter & Grid Integration Menlo Park, CA
- Electrical Engineer, Electronics Design Menlo Park, CA
- Electrical R&D Technician Menlo Park, CA
- Electrical Upgrades Technician Menlo Park, CA
- Electronics Returns & Repair Manager Menlo Park, CA
- Embedded Software Manager Menlo Park, CA
- End of Line Technician Menlo Park, CA
- End of Line Technician Monterrey, Nuevo León
- Field Service Engineer Menlo Park, CA
- Field Service Manager Menlo Park, CA
- Field Service Technician Menlo Park, CA
- Field Service Technician (Long Island, NY) Long Island, NY
- Field Service Technician (Worcester, MA) Worcester, MA
- Fleet Operations & Analytics Engineer Remote
- FP&A Manager — Services Menlo Park, CA
- Inventory Associate Menlo Park, CA
- Manager, CAD & Design Systems Menlo Park, CA
- Manager, Technical Writing Team Menlo Park, CA
- Mechanical Design Drafter Monterrey, Nuevo León
- Mechanical Engineer Menlo Park, CA
- Mechanical Engineer - Thermal / Fluids Hardware Design Menlo Park, CA
- Mechanical R&D Technician Menlo Park, CA
- Principal Mechanical Engineer Menlo Park, CA
- R&D Test Engineer Menlo Park, CA
- Senior Commissioning Technician Menlo Park, CA
- Senior Electrical Engineer - Inverter & Grid Integration Menlo Park, CA
- Senior Electrical Engineer - Power Electronics Menlo Park, CA
- Senior Electrical Engineer, Electronics Design Menlo Park, CA
- Senior Embedded Software Manager Menlo Park, CA
- Senior Engineering Manager Menlo Park, CA
- Senior Executive Assistant Menlo Park, CA
- Senior Failure Analysis Engineer Menlo Park, CA
- Senior Field Service Technician Menlo Park, CA
- Senior Field Service Technician (Long Island, NY) Long Island, NY
- Senior Field Service Technician (Worcester, MA) Worcester, MA
- Senior Fleet Operations & Analytics Engineer Remote
- Senior Industrial Engineer Monterrey, Nuevo León
- Senior Machinist / R&D Specialist Menlo Park, CA
- Senior Materials and Process Engineer Menlo Park, CA
- Senior Mechanical Engineer Menlo Park, CA
- Senior Mechanical Engineer - Electromechanical Menlo Park, CA
- Senior Mechanical Engineer – Continuous Improvement for Mechanical Design & Quality Control Monterrey, Nuevo León
- Senior Mechanical R&D Technician Menlo Park, CA
- Senior Originator - Public Power Remote
- Senior Product Integration Engineer (CAD) Menlo Park, CA
- Senior Product Performance Engineer Menlo Park, CA
- Senior Project Coordinator Remote
- Senior Project Manager - Grid Scale Remote
- Senior Reaction Controls Engineer Menlo Park, CA
- Senior Reliability Engineer, Electrical Systems Menlo Park, CA
- Senior Simulation Engineer Monterrey, Nuevo León
- Senior Software Engineer in Test Menlo Park, CA
- Senior Staff Commodity Manager, Electrical Remote
- Senior Staff Controls Software Engineer Menlo Park, CA
- Senior Staff Mechanical Engineer Menlo Park, CA
- Senior Staff Project Strategist Menlo Park, CA
- Senior Staff Software Test & Automation Engineer Menlo Park, CA
- Senior Staff Technical Program Manager Menlo Park, CA
- Senior Sustaining Controls Engineer Menlo Park, CA
- Senior/Staff Materials Process Engineer Menlo Park, CA
- Software Deployment Operations Manager Menlo Park, CA
- Sr. Field Quality Inspector Menlo Park, CA
- Staff CFD Modeling Engineer Menlo Park, CA
- Staff Electrical Engineer - Inverter & Grid Integration Menlo Park, CA
- Staff Electrical Engineer - Power Electronics Menlo Park, CA
- Staff Electrical Engineer, Electronics Design Menlo Park, CA
- Staff Materials and Process Engineer Menlo Park, CA
- Staff Mechanical Design Engineer – Electromechanical Menlo Park, CA
- Staff Mechanical Engineer Menlo Park, CA
- Staff Mechanical Engineer, Sealing Systems Menlo Park, CA
- Staff Modeling & Simulation Engineer: Controls Integration Menlo Park, CA
- Staff Power Systems Site Integration Engineer Remote
- Staff Product Performance Engineer Menlo Park, CA
- Staff Project Engineer - Grid Scale Remote
- Staff Reliability Engineer Menlo Park, CA
- Staff Reliability Engineer, Electrical Systems Menlo Park, CA
- Staff Sales Engineer , Grid Scale Menlo Park, CA
- Staff Software Controls Engineer - Site Control Menlo Park, CA
- Staff Software Test and Automation Engineer Menlo Park, CA
- Staff Technical Program Manager, Software Engineering Menlo Park, CA
- Strategic Materials Program Manager Menlo Park, CA
- Sustaining Controls Engineer Menlo Park, CA
- Vice President, Electrical Engineering Menlo Park, CA
Roles link to Mainspring Energy's own posting. Listings change daily;
a role may close before its posting is removed.