Intern - Project Management - Spring 2026

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

Job summary

Commonwealth Fusion Systems in Devens, MA, is seeking a Project Management Intern for Spring 2026. You will support project planning, scheduling, and coordination across teams to help deliver key milestones in a fast-paced climate tech environment.

This internship offers hands-on experience, mentorship from seasoned professionals, and exposure to real projects that impact the development of fusion energy. Compensation is hourly ($23–$35), with potential learning opportunities and growth within

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.

Join the power movement as Project Management Intern

We are looking for talented interns to join our team! CFS interns are highly valued within the organization and placed into meaningful and challenging roles.

Job posting details for Intern - Project Management - Spring 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.