Building a world-class team with a wide range of engineering and energy-related backgrounds.

At Mainspring, we believe that innovation and technology will play a key role over the next decade in transforming the $750 billion global energy equipment market to address both 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 help accelerate this transformation by reducing greenhouse gas emissions from the grid, promoting the adoption of renewables, and enabling broad access to clean electricity.

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

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. Please apply below:

Open Positions

Other Roles:
We continually welcome expertise across a range of disciplines. Feel free to contact us if you have experience in:

Thermodynamics
Nonlinear Controls
Hardware Design
Precision Manufacturing

CFD Analysis
Electric Motor Design
Systems Analysis
Tribology

Power Plant Development
Electricity Markets
Embedded Software
Power Electronics

Other Roles:
We continually welcome expertise across a range of disciplines. Feel free to contact us if you have experience in:

Thermodynamics
Nonlinear Controls
Hardware Design
Precision Manufacturing

CFD Analysis
Electric Motor Design
Systems Analysis
Tribology

Power Plant Development
Electricity Markets
Embedded Software
Power Electronics