Senior Commissioning Operations Technician

Company Overview

Mainspring Energy is revolutionizing power generation with the world’s most flexible and adaptable local power generation technology, the Mainspring Linear Generator. Commercial, industrial, and utility leaders are choosing Mainspring over traditional options to quickly and reliably deliver local power for EV charging, commercial facilities, data centers, and grid‑scale operations. The Mainspring Linear Generator is fuel flexible, ramps up and down to meet demand, and utilizes a flameless reaction with near‑zero NOx emissions.

Backed by top‑tier investors including Khosla Ventures, Bill Gates, American Electric Power, Lightrock, and General Catalyst Mainspring designs, manufactures and delivers its products to customers across the U.S. today, and we’re quickly scaling for international expansion.

Inspired by our vision of the affordable, reliable, net‑zero carbon grid, Mainspring is rapidly expanding within the $816B global electricity equipment market, and we’re hiring the best talent to meet growing customer demand around the globe. We welcome a broad range of backgrounds, experiences, and talents to bring fresh perspectives and ongoing innovation to our customers.

We are looking to build relationships with people who share our values:

Pragmatic Optimism. Building a new category of world‑class power generation requires the optimism of ambition and creativity, balanced with practicality to solve problems efficiently. The challenges that arise are opportunities for growth.

Excellence without Ego. We bring expertise and commitment to creating the best customer experience, from sales to deployment and service, just as we apply deep technical rigor to building and delivering world‑class products. We strive for excellence and behave as leaders with the humility to acknowledge our challenges, both collectively and as individual contributors.

Proactive Collaboration. The integration and cross‑disciplinary nature of Mainspring’s business requires intentionally seeking out others who bring different skills, perspectives, and priorities. Our culture of inclusion and respect extends beyond our team to interactions with our partners and customers.

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Mainspring Energy is seeking a highly motivated, mechanically inclined Senior Commissioning Operations Technician to join our growing Commissioning team. In this role, you will play a direct lead in completing planned and reactive service operations while transitioning into the technical operation of our systems. You will be responsible for the mechanical integrity of our units while increasingly taking on the configuration and startup of custom systems based on Mainspring's linear generators.

• Mechanically repair and/or perform maintenance on components and assemblies that make up our generators in accordance with procedures and build checklists to meet customer requirements.
• Collaborate with engineers to fix, repair, and redesign components and assemblies.
• Conduct mechanical inspections of recently installed units, documenting condition information for use by our team for debugging or troubleshooting.
• Execute technical tasks and site operations with minimal supervision in variable environmental conditions, demonstrating self‑motivation and a strong commitment to safety.
• Perform initial configuration and startup of custom linear generator systems based on established engineering parameters.
• Utilize and provide feedback on automation scripts and commissioning toolkits to streamline unit onboarding and testing.

• Minimum of 5 years of experience with mechanical assembly and/or repair. Experience with automotive, aviation, and/or heavy equipment (i.e. HVAC, elevators/lifts, or industrial equipment) assembly a plus.
• Experience with precision measuring, down to .001″, using micrometers, bore gauges, gauge blocks, etc. Also, familiarity with torque wrenches and documentation of repairs performed.
• Candidates must be able to stand for long periods of time, lift to 50 lbs., and wear required PPE.
• Must have knowledge of how to use and maintain basic tools, such as torque wrenches and…