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Mainspring Energy

Onsite linear generators for scalable power

Senior Mechanical Research and Development Technician

Product AssemblyConfirmed live in the last 24 hours
Full-timeMenlo Park, CA, USA$38 - $53 /hr

About the Job

Requirements

  • At least 7 years of hands-on experience with mechanical assembly and/or repair.
  • Experience using precision measuring instruments to measure down to .001 inch, including micrometers, bore gauges, and gauge blocks.
  • A valid California driver’s license.
  • Commitment to safety and ability to learn quickly and work with self-motivation.

Responsibilities

  • Construct components and assemblies for generators, following procedures and identifying opportunities for innovation.
  • Troubleshoot, repair, and reimagine components and assemblies in collaboration with engineers.
  • Inspect test units and document findings for the engineering team.
  • Identify and implement improvements that enhance safety and efficiency.

Desired Qualifications

  • Experience with automotive or heavy equipment assembly.
  • Metal fabrication skills.
  • A Commercial Driver’s License (Class A).

About the Company

Mainspring Energy

Onsite linear generators for scalable power

Mainspring Energy designs and ships onsite linear generators that produce electricity for commercial and industrial customers, data centers, utilities, and microgrids. The kit uses a straight-line motion that is converted into electric current by magnets moving through copper coils, driven by a flameless, low-temperature air-and-fuel reaction with only two moving parts and an oil-free air-bearing. The system is fuel-flexible, handling natural gas, biogas, hydrogen, ammonia, and propane, and it scales from about 250 kW to more than 100 MW, with near-zero NOx and no after-treatment required. The company sells power as a service, enabling installations with no upfront cost and ongoing payments based on energy use, aiming to lower operating costs and increase energy resilience for its customers.

Company size
501-1,000
Company stage
Series F
Total funding
$813M
Headquarters
Menlo Park, CA
Founded
2010

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