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Director of Fleet Operations
Mainspring EnergyMenlo Park, United Statesfull_timeVerifiedPosted 15 Oct 2025
About the role
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 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 Cayalyst 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 www.mainspringenergy.com
Job Overview
Mainspring Energy is seeking a highly experienced and strategic Director of Fleet Operations to manage the preventive maintenance and emergency response for our fleet of linear generators as we accelerate their deployment to customer sites. This is an ideal opportunity for a proven leader to apply their operational and strategic skills in a dynamic, challenging, and high-growth environment.
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 Cayalyst 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 www.mainspringenergy.com
Job Overview
Mainspring Energy is seeking a highly experienced and strategic Director of Fleet Operations to manage the preventive maintenance and emergency response for our fleet of linear generators as we accelerate their deployment to customer sites. This is an ideal opportunity for a proven leader to apply their operational and strategic skills in a dynamic, challenging, and high-growth environment.
What you'll do:
- Team Leadership: Lead, mentor, and develop the O&M team, including geographically distributed field service technicians and supervisors.
- Performance Management: Manage key operational metrics, including equipment Availability, Mean Time to Repair (MTTR), First Time Fix Rate (FTFR), Customer Satisfaction, and adherence to service level agreements (SLAs).
- Fleet Maintenance: Direct the team in all aspects of fleet maintenance, including troubleshooting, repairs, and preventive maintenance. This encompasses planning of routine tasks such as seal and filter replacements, periodic inspections, and the management of sensors, controls, and software.
- Safety and Emergency Response: Lead the field safety team, ensuring the implementation of training, processes, and controls to safeguard both personnel and equipment. In emergencies, coordinate resources, response, and both internal and external communications.
- Process Improvement: Standardize processes among teams to ensure the effective and efficient resolution of complex operational problems.
- Strategic Planning: Develop comprehensive business plans, including budget allocation, hiring strategies, shift schedules, tooling, and inventory stocking levels.
- Training Development: With the Training Manager, lead the creation of a structured Tier 1 Maintenance training program. This program should expedite the proficiency of new field service technicians and reseller partners in performing maintenance tasks.
- Cross-Functional Collaboration:
- Work closely with Sales and Product leaders to deliver exceptional customer service. This includes early engagement with the Installation and Commissioning resources within the Sales team.
- Engage Fleet Operations and Analytics (FOA) and Customer Success teams for monitoring, advanced diagnostics, and customer communications.
- Collaborate with Engineering leaders to continuously improve the product by efficiently communicating findings and ope
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