Join a team building what the future needs now.
We’re changing the way companies and communities get power, and we’re looking for ambitious, creative people to make it happen.
We’re growing fast and hiring across disciplines.
We’re hiring across engineering, operations, field service, supply chain, and more. Explore roles in our Menlo Park HQ, manufacturing facilities, or remote field operations.
Mainspring employees bring a broad range of backgrounds, experiences, and talents to contribute to our capabilities. We depend on this diversity to bring fresh perspectives to our engineering challenges and business opportunities.
Shannon Miller
CEO and Founder
We’re engineers, problem-solvers, builders, and energy professionals united by a shared mission.
Work that matters.
Every role contributes to the big picture: advancing reliable, clean, and fuel-flexible power solutions.
Always improving.
We invest in your growth because progress requires people who keep getting better.
Solving problems together.
Whether in engineering or operations, we solve problems side-by-side and move forward as a team.
