Welcome to Mainspring

At Mainspring, we believe that innovation and technology will play a key role in transforming the global energy industry to address the growing threat of climate change and the need for affordable electricity for all. We’re motivated by the opportunity to deliver a new category of power generation – the linear generator – to accelerate this transformation by reducing greenhouse gas emissions, promoting adoption of renewables, and enabling broad access to clean electricity.

Our work environment fosters innovation, collaboration, and a shared commitment to excellence.

Our Core Values

"Mainspring employees represent a broad range of backgrounds and talents. We depend on this diversity to bring fresh perspectives to our engineering challenges and business opportunities."

Shannon Miller, Chief Executive Officer & Founder

Open Roles

We're well funded by top-tier investors and offer competitive compensation and benefits. If you enjoy working on challenging and meaningful problems in a team environment where you can make a significant impact, we'd love to hear from you.

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Working at Mainspring

Mainspring brings together hundreds of colleagues with a diverse range of talents, expertise, and skills, from some of the leading clean energy companies in the world. Our culture is one of purpose, curiosity, fun, teamwork, and meaningful accomplishment.