Intern - Computational Materials Engineer - Spring, Summer 2026

Commonwealth Fusion Systems; Harvard (MA); On-site; USD 32,000 - 48,000; Full time

Job summary

Commonwealth Fusion Systems in Devens, MA invites applications for an Intern - Computational Materials Engineer for Spring and Summer 2026. This internship offers hands-on experience in a cutting-edge, collaborative R&D environment at the forefront of sustainable energy innovation.

The role provides exposure to computational materials engineering tasks within a fast-paced team, with compensation in the range of 23 to 35 USD per hour.

Job description

About Commonwealth Fusion Systems:

Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And working with policymakers and suppliers to build the energy industry of the future.

We’re in the best position to make it happen. Since 2018, we’ve raised nearly $3 billion in capital, making us the largest and leading private fusion company in the world.

Now we’re looking for more thinkers, doers, builders, and makers to join us. People who’ll bring new perspectives, solve tough problems, and thrive as part of a team. If that’s you and this role fits, we want to hear from you.

Join the power movement as a Computational Materials Engineer Intern

The CFS Materials Team is seeking a motivated Computational Materials Engineering to join our cutting-edge team. In This is a unique opportunity to work at the forefront of sustainable energy innovation in a collaborative, fast-paced R&D environment.

Job posting details for Intern - Computational Materials Engineer - Spring, Summer 2026 at Commonwealth Fusion Systems in Devens, MA. Compensation / salary range: 23 - 35 USD, hourly. ClimateTechList gathers 8,000+ job openings from over 495 climate tech companies and updates them daily.