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 Senior Electrical Systems Engineer to serve as the technical anchor for our site packaging and power integration strategy. Blending application engineering and macro power systems design, you will own the high-level requirements, boundary definitions, and execution of our modular power conversion skids which include integrated platforms housing grid-tied inverters, transformers, control hubs, and auxiliary Balance of System (BoS) equipment. In this cross-functional role, you will act as the primary technical lead managing 3rd-party skid design firms and manufacturers. Simultaneously, you will own the hardware-to-software interface for our Linear Generator sites, managing the full design lifecycle for the Industrial Control Panels (ICP) and site-level communication networks that serve as the "brain" inside our modular infrastructure.