◆ Ghost-checked by the swarm

Mainspringenergy is hiring — here's how real it is.

Every opening below was pulse-checked against Mainspringenergy's own careers feed. We also track how long their postings stay live — so you know what you're applying into.

67Live roles

100%Still open

64dMedian posting age

—dMedian time-to-close

Moderate longevity. Open roles sit several weeks on average. Real reqs, but a long-standing posting may be filling slowly or building a pipeline — check it's still open first. (Posting-age is measured from the company's own post date; "time-to-close" is the window we observed each role stay live.)

25 of 67 live Mainspringenergy roles

Senior Quality EngineerMonterrey, Nuevo León4d ago Senior Mechanical Engineer - Thermal / Fluids Hardware DesignMenlo Park, CA4d ago Mechanical Engineer - Thermal / Fluids Hardware DesignMenlo Park, CA4d ago Tax ManagerMenlo Park, CA4d ago Staff Reliability Engineer, Electrical SystemsMenlo Park, CA8d ago Staff Mechanical Engineer - Battery DesignMenlo Park, CA8d ago Staff Electrical Systems & Sustaining EngineerMenlo Park, CA8d ago Senior Electrical Systems & Sustaining EngineerMenlo Park, CA8d ago Fleet Operations & Analytics EngineerMenlo Park, CA9d ago Field Service Operations Supervisor (Salinas, CA)Salinas, CA11d ago Senior Field Service Technician (Ohio)Columbus, Ohio11d ago Field Service Technician (Ohio)Columbus, Ohio11d ago Technical Talent Sourcer (6-Month Contract)Menlo Park, CA14d ago Senior Field Service Technician (Stockton, CA or Tracy, CA)Tracy, CA14d ago Field Service Technician (Stockon, CA or Tracy, CA)Tracy, CA14d ago Director / Senior Director of AccountingMenlo Park, CA15d ago Senior Field Service Technician (Salinas, CA)Salinas, CA16d ago Field Service Technician (Salinas, CA)Salinas, CA16d ago Staff Supplier Quality Engineer - Special ProcessesMenlo Park, CA17d ago Director, Electrical Strategic SourcingMenlo Park, CA21d ago Senior Manufacturing Engineer - DFMMenlo Park, CA21d ago Senior Staff Mechanical Engineer - Structures & AlignmentMenlo Park, CA25d ago Senior Sales Contracting ManagerMenlo Park, CA28d ago Staff Electrical Engineer - Balance of System Integration EngineerMenlo Park, CA42d ago Senior Electrical Engineer - Balance of System Integration EngineerMenlo Park, CA42d ago

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