Mainspring Energy

Manufactures fuel-flexible linear generators for onsite power generation.

mainspringenergy.comEnergy Production, Clean Technology523 employeesUS
PrivateFounded 2010Series F (2025)Linear generator manufacturingOnsite power generationClean energy productionDistributed energy systemsPower equipment engineering
Showing 52 matching jobs
Title
Staff Embedded Software Engineer
Full Time · $161K-$189K · 12+ YOE
Menlo Park, California, United States · Onsite
Staff Mechanical Design Engineer - Electromechanical
Full Time · $148K-$170K · 11+ YOE
Menlo Park, California, United States · Onsite

About Mainspring Energy

Activities
Linear generator manufacturingOnsite power generationClean energy productionDistributed energy systemsPower equipment engineering
HeadquartersUS
Industries
Energy ProductionClean Technology
NameMainspring Energy
Employees523
TypePrivate
TaglineManufactures fuel-flexible linear generators for onsite power generation.
Founded2,010
Websitemainspringenergy.com
Latest Funding RoundSeries F
Latest Funding Year2,025
Latest Funding Amount258,000,000
Latest Investors
General Catalyst