Intern - Public Policy - Spring 2026

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 Public Policy Intern

This position will report to the Public Policy Specialist and help research and draft relevant public policies to support Commonwealth Fusion Systems commercial growth. This position will support the global policy and public affairs team as well as the broader global affairs team.

• 12-16 week internship program
• 40-50 hours per week with set hourly salary based on year in school
• Opportunity for this position is in Devens, MA. If an intern is going to be on site, you will be responsible for your own transportation and housing
• Specific project assignments and required technical skillset will vary based on the team’s existing need.
• Opportunities available for currently enrolled college students in all levels of schooling from bachelor’s degree to PhD
• Interns must be authorized to work in the United States for any employer

• Provide research and writing support for the drafting of relevant policies aimed at facilitating commercial fusion energy development and deployment
• Provide background research on international energy policy and politics and legal and regulatory frameworks to inform commercial fusion policies
• Provide background research on state and federal energy policies that could be relevant for commercial fusion including economic and regulatory matters
• Participate in broader team policy strategy discussions surrounding government relations, business development, and regulatory matters
• Support government delegation visits and community relations events

• Graduate student with a degree in public policy, public affairs, international relations
• Strong communication skills
• Strong writer and policy researcher
• Ability to work across multiple projects and with tight deadlines
• Ability to read legislative language and regulatory documents
• Prior experience working on energy policy issues
• Passion for public policy/government affairs
• Think tank experience or government experience

• Willingness to travel or work required nights/weekends/on-call occasionally
• Perform activities such as typing, standing, or sitting for extended periods of time
• Dedication to safety to mitigate industrial hazards that may include heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, and cryogenics

#LI-Onsite

At CFS, we excel in fast-paced environments, driven by our values of integrity, execution, impact, and self-critique. As we grow, we’re eager to bring on mission-driven folks who offer diverse perspectives and fresh ways to tackle challenges.

We value diversity deeply and are proud to be an equal opportunity employer by choice. We consider all qualified applicants equally, regardless of race, color, national origin, ancestry, citizenship status, protected veteran status, religion, physical or mental disability, marital status, sex, sexual orientation, gender identity or expression, age, or any other basis protected by law.

This role requires compliance with U.S. laws concerning the export of controlled or protected technologies or information (collectively, “Export Control Laws"). Any offer of employment will be contingent on the need for compliance with such Export Control Laws.