SECTION I · THE BRIEF
Brief #05755Updated 20 AUG 2026HOUSTON, TXLeverKHOSLA VENTURES
Employbl Company Profile

Senior R&D Reliability Technician

Onsite power generation for the net-zero carbon grid.

Location
Houston, TX
Company size
100–500
Posted
2w 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 R&D Reliability Technician · Mainspring Energy

View company profile
Job title
Senior R&D Reliability Technician
Job location
Houston, TX
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

We are seeking enthusiastic and resourceful individuals with a strong mechanical background to join our growing Product Testing team as a Sr Reliability R&D Technician in Houston, Texas. You will be at the forefront at a new site for endurance testing to drive reliability improvements on our product.

If you have a knack for mechanics, enjoy tackling novel challenges, and possess a passion for creative problem-solving in a fast paced environment, this could be the perfect opportunity for you. In this role, you will be instrumental in the testing of our innovative linear generator technology. You will play a direct role in working closely with our test engineering team conducting inspections, diagnostics, reactive repairs and performing some functionality testing of our generators.

The ideal candidate is highly motivated, demonstrates strong personal integrity, and is capable of working independently while maintaining a high standard of quality and accountability. This role requires professionalism and confidence in customer-facing interactions, as you may engage with customers, partners, and cross-functional stakeholders to communicate testing activities, technical findings, and operational updates.

Responsibilities
  • Build: Apply your mechanical skills and expertise to repair, assemble cutting-edge generator components and assemblies, adhering to established procedures while proactively identifying areas for improvement
  • Troubleshoot and Repair: Partner with engineers to diagnose issues for both mechanical and basic electrical elements, perform root cause analysis, and repair components and assemblies, directly impacting the evolution of our generator designs
  • Inspect and Document: Perform thorough inspections of test units and meticulously record findings to support failure analysis and drive critical design and process improvements
  • Testing & Validation: Execute comprehensive testing,and general generator system functional testing in collaboration with test team
  • Qualifications
  • Minimum of 6 years of hands-on experience with mechanical assembly and/or repair
  • Experience with automotive or heavy equipment assembly is a plus
  • Proven ability to learn quickly, a strong sense of self-motivation, and a demonstrated commitment to safety
  • Experience with precision measuring instruments, capable of measurements down to .001”, using tools such as micrometers, bore gauges, and gauge blocks.
  • Software familiarity and experience is a plus
  • Forklift or heavy equipment operation experience a plus
  • View job listing ↗
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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