SECTION I · THE BRIEF
Brief #62144Updated 03 SEP 2026MENLO PARK, CALeverKHOSLA VENTURES
Employbl Company Profile

Senior Package R&D Technician

Onsite power generation for the net-zero carbon grid.

Location
Menlo Park, CA
Company size
100–500
Posted
5d ago
Via
Lever
Section II · Full ProfileFree with an account
  • 01Comp band & equity packageLocked
  • 02Seniority & experience requirementsLocked
  • 03Interview process & rubricLocked
  • 04Hiring manager & team contextLocked
  • 05Growth trajectory in this roleLocked
  • 06Offer & decision timelineLocked

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Mainspring Energy logo

Senior Package R&D Technician · Mainspring Energy

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Job title
Senior Package R&D Technician
Job location
Menlo Park, CA
Job description

About Mainspring

Mainspring Energy manufactures and delivers fuel-flexible, low-emissions local power solutions that rapidly add new capacity and deliver reliable, affordable, and sustainable electric power. The company began commercial shipments of its Mainspring Linear Generators in 2020 and today has hundreds of megawatts in advanced development and field operations for leading Fortune 500 companies, data centers, and utilities. Mainspring also partners with global energy leaders including AEP, NextEra Energy Resources, Schneider Electric, and more.

The core values that ground our work, guide our decisions, and connect us together:

  • Pragmatic Optimism
  • Excellence without Ego
  • Proactive Collaboration
Job Overview

The Package R&D Technician will be someone with a solid baseline of experience in fabrication and assembly. They will have had experience in an R&D environment where work instruction may not be fully defined and collaboration with engineers is required to achieve the goals of a prototype build. They will be flexible and team oriented, helping their colleagues where needed to build and learn our product as new designs come out.

Requirements
  • Build components and assemblies that make up our generator enclosures, install components and modify parts as needed for new prototype builds and to support production builds.
  • Collaborate with engineers to fix, repair, and redesign components and assemblies focusing on manufacturability and reliability in order to meet the testing and qualification schedule of new designs.
  • Work with a quick-learning build and test team to support ongoing testing and retrofits
  • Identify opportunities to improve safety and productivity in the build process
  • Qualifications
  • Minimum of 7 years of experience with mechanical assembly and/or repair, including experience with metal fabrication; cutting, grinding, and drilling required. Welding experience is preferred.
  • Demonstrated ability and certification to use a forklift
  • Ability to learn quickly, be self-motivated and safety oriented
  • Candidates must be able to stand for long periods of time, lift up to 50 lbs., and wear required PPE
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    Mainspring Energy headquarters

    Menlo Park, CA

    Company size

    100500 employees

    Founded

    2010

    Total raised

    $813,000,000

    View company profile ↗

    Funding rounds