Mainspring Energy designs and manufactures fuel-flexible linear generators—dispatchable, low-emission units scalable from ~250 kW to grid-level arrays—deployed onsite for data centers, EV microgrids, commercial, industrial, and utility customers.
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 Mainspring Energy is seeking a talented Senior Mechanical Engineer to join the team responsible for the design and development of the Linear Electromagnetic Machine (LEM). In this role you will design and advance new components and subsystems with challenging technical requirements from initial concept through successful manufacturing launch. You will manage existing concepts through development, deployment, and manufacturing. This is a challenging, hands-on role where your creativity, strong engineering fundamentals, and practical skills will directly contribute to making a significant impact on our clean energy solution.