Senior R&D Electrical Technician

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 like engines, turbines, and fuel cells 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.

More information can be found at

The R&D Electrical Technician will be someone with a solid baseline of experience in electrical fabrication, assembly, and troubleshooting. They will have had experience in an R&D environment beyond just circuit board work. They will be experienced in working on high voltage and large electrical equipment and will have a demonstrated knowledge of electrical safety. We are searching for a well-organized, reliable technician to join our growing team.

• Repairing and qualifying electronics, inverters, load banks
• Building enclosure for electrical power systems with electrical engineers, following work instructions
• You will run software, as well as set up hardware and use browser based apps to perform tests and run equipment and troubleshoot with various levels of documentation.

• 6+ years electro‑mechanical technician experience
• Demonstrated hands on ability to visually detect electrical defects/non‑conformances of materials, determine solutions, and repair them in a fast‑paced environment
• Experience using hand tools (drivers, saws, wire crimpers, etc.)
• Demonstrated technical computer system knowledge (office suites, Terminal/Command line, managing files, etc.)
• Vocational certificate or equivalent preferred
• Strong verbal & written communication skills demonstrated in a team environment
• Conduct mechanical inspections of deployed units, documenting condition information for use by our team for debugging or troubleshooting
• Installing heavy equipment with high voltage and working outdoors
• Demonstrated ability to build electrical enclosures with limited documentation
• Capable of software deployment and electrical box configuration

Does your experience not meet all of our posted requirements? Studies have shown that some people are less likely to apply to positions unless they meet every listed requirement. At Mainspring, we are committed to building a diverse, inclusive,…