Staff Electrical Engineer - Balance of System Integration Engineer

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

Mainspring is seeking a versatile Systems Integration Engineer to lead the architectural design and deployment of the hardware-to-software interface for our Linear Generator sites. You will serve as a cross-functional technical lead for Balance of System (BoS) strategy, developing modular hardware platforms that scale from small microgrids to utility-scale power plants. In this capacity, you will own the full design lifecycle and vendor management for our Industrial Control Panels (ICP), which serve as the critical communication and I/O hub for our Linear Generator sites.