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
Senior R&D Mechanical Technician
Full Time · $75K-$106K/yr · 6+ YOE
Menlo Park, California, United States · Onsite
Senior Project Manager
Full Time · $109K-$129K · 7+ YOE
Menlo Park, California, United States · Remote
Senior Sales Engineer
Full Time · $128K-$150K · 7+ YOE
Menlo Park, California, United States · Remote
Senior Mechanical Engineer - Frame and Air Spring
Full Time · $132K-$156K · 6+ YOE
Menlo Park, California, United States · Onsite
Senior Mechanical Design Engineer - Metal Structures
Full Time · $132K-$156K · 5+ YOE
Menlo Park, California, United States · Onsite
Senior NPI Manufacturing Engineer
Full Time · $115K-$136K · 5+ YOE
Menlo Park, California, United States · Onsite
Director of Mechanical Engineering
Full Time, Internship, Contract, Part Time, Temporary, Seasonal, Volunteer · $237K-$267K · 18+ YOE
Menlo Park, California, United States · Onsite
Inventory Analyst
Full Time · $86K-$107K · 3+ YOE
Menlo Park, California, United States · Onsite
Director of Software Engineering
Full Time · $213K-$250K · 10+ YOE
Menlo Park, California, United States · Onsite
Electrical Engineer, Inverter Systems Engineer - Senior to Staff
Full Time · $130K-$185K · 5+ YOE
Menlo Park, California, United States · Onsite
End of Line Technician
Full Time · $58K-$77K/yr · 3+ YOE
Menlo Park, California, United States · Onsite
Manufacturing Engineer, Product Qualification
Full Time, Contract, Internship, Temporary, Part Time, Seasonal, Volunteer · $101K-$115K · 3+ YOE
Menlo Park, California, United States · Onsite
Senior Manufacturing Engineer
Full Time · $115K-$136K · 5+ YOE
Menlo Park, California, United States · Onsite
Staff Technical Program Manager
Full Time · $151K-$178K · 10+ YOE
Menlo Park, California, United States · Onsite
Mechanical Engineering Manager - Electromechanical
Full Time · $170K-$209K · 11+ YOE
Menlo Park, California, United States · Onsite
Senior Commissioning Operations Technician
Full Time · $81K-$96K/yr · 5+ YOE
Menlo Park, California, United States · Onsite
Commissioning Operations Engineer
Full Time · $93K-$106K
Menlo Park, California, United States · Remote
Director - Controls Software
Full Time · $212K-$250K
Menlo Park, California, United States · Onsite
Staff Materials Engineer
Full Time · $150K-$178K · 8+ YOE
Menlo Park, California, United States · Onsite
Senior Materials Engineer
Full Time · $126K-$148K · 5+ YOE
Menlo Park, California, United States · Onsite
Inventory Associate - Shipping
Full Time · $50K-$55K/yr · 2+ YOE
Menlo Park, California, United States · Onsite
Senior Field Service Technician (Ohio)
Full Time · $73K-$104K/yr · 5+ YOE
Columbus, Ohio, United States · Onsite
Field Service Technician (Ohio)
Full Time · $54K-$73K/yr · 3+ YOE
Columbus, Ohio, United States · Onsite
Staff Mechanical Engineer - Structures Design
Full Time · $147K-$170K · 10+ YOE
Menlo Park, California, United States · Onsite
Senior Staff Commodity Manager, Graphite & Mechanical Components
Full Time · $150K-$180K · 15+ YOE
Menlo Park, California, United States · Remote

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