Intern - Software Engineer - Summer 2027

Commonwealth Fusion Systems•Devens, MA

1d•Onsite

About The Position

Commonwealth Fusion Systems is hiring a Software Engineering Intern for its Summer 2027 internship program. Interns take on meaningful and challenging work, with project assignments and technical requirements varying according to the needs of each team. The program lasts 13–18 weeks and is scheduled for 40–50 hours per week, with hourly pay based on the intern’s year in school. Opportunities are available on site in Devens, Massachusetts; interns working on site are responsible for their own transportation and housing. The role is open to currently enrolled college students, from bachelor’s through PhD programs, who are authorized to work in the United States for any employer. The intern may develop simulation models and infrastructure, control software, internal data storage and analysis tools, or operator interfaces and workflows. Work may involve real-time Linux, microcontrollers, FPGAs, or PLCs. The position requires occasional willingness to travel or work nights, weekends, or on call. The role also involves extended typing, standing, or sitting and a commitment to safety around potential industrial hazards, including heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics. The listed hourly range is $25–$38. Bachelor’s interns are paid $25–$32 per hour, while MS and PhD interns are paid $35–$38 per hour. Full-time interns receive 40 hours of sick time, health, dental, and vision insurance, a 401(k) with employer matching (enrollment requires being at least 21), professional growth opportunities, and team-building activities. Employment offers are contingent on compliance with U.S. Export Control Laws.

Requirements

Be a currently enrolled college student; opportunities are available at all levels from bachelor’s degree through PhD.
Pursue an engineering degree with a focus in Computer Science.
Be familiar with programming languages such as C++, Python, and Golang.
Have experience with control or real-time software.
Have hands-on experience through academic research, project teams, machine shops, hackathons, or industry internships.
Demonstrate exceptional results through a range of pursuits.
Have high self-motivation and drive to execute quickly, with excellent troubleshooting and problem-solving skills.
Have strong communication skills and a willingness to learn.
Be authorized to work in the United States for any employer.
Be willing to travel or work required nights, weekends, or on call occasionally.
Be able to perform activities such as typing, standing, or sitting for extended periods.
Be dedicated to safety when working around potential industrial hazards.

Responsibilities

Develop simulation models and model infrastructure for real-time and offline high-fidelity simulations.
Develop control software across platforms, including real-time Linux, microcontrollers, FPGAs, and PLCs.
Develop full-stack software for internal data storage and analysis tools.
Develop operator interfaces, workflows, and data analysis tools.