Intern - Multi-Physics Analysis
Commonwealth Fusion Systems (CFS)
Company Overview
Commonwealth Fusion Systems
Cambridge, MA, United States
2018
Business Model
Energy
Commonwealth Fusion Systems focuses on developing advanced fusion energy technology. Their core activities include research and development of superconducting magnets and fusion reactors aimed at providing a clean and virtually limitless energy source.
Their revenue streams primarily come from government grants, private investments, and partnerships with various organizations in the energy sector.
Locations & Geography
Commonwealth Fusion Systems operates primarily in the United States, with a significant presence in Cambridge, MA. They are also involved in international collaborations, expanding their influence in the global energy landscape.
Company Culture
Their mission is to accelerate the development of fusion energy to provide a sustainable and clean energy future. They value innovation, collaboration, and a commitment to scientific excellence.
Commonwealth Fusion Systems fosters a dynamic and inclusive work environment that encourages creativity and teamwork. Employees are motivated to push the boundaries of science and technology in a supportive atmosphere.
They emphasize continuous learning and professional growth, offering various training programs and opportunities for employees to advance their skills in the field of fusion energy.
Activities & Projects
Commonwealth Fusion Systems is currently working on the SPARC project, which aims to demonstrate net-positive energy from a fusion reactor. This project is a significant step towards commercial fusion energy.
They are pioneering the use of high-temperature superconductors in fusion technology, which enhances the efficiency and feasibility of fusion reactors. This innovation is crucial for making fusion energy a reality.
Their sustainability practices focus on developing clean energy solutions that minimize environmental impact. By harnessing fusion energy, they aim to provide a sustainable alternative to fossil fuels.
Career Opportunities
Commonwealth Fusion Systems typically has openings for roles in engineering, research, and project management. They seek individuals passionate about advancing fusion technology and contributing to a sustainable energy future.
They offer competitive salaries, comprehensive health benefits, and opportunities for professional development. Employees also enjoy a collaborative work culture that values innovation and creativity.
Contact Information
Last updated on 2025-03-27 | Report an issue
Job Description
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 Multi-physics Analysis Intern
We are looking for talented technical interns to join our team! CFS interns are highly valued within the organization and placed into meaningful and challenging roles.
Program Details
- 12-16 week internship program
- 40-50 hours per week with set hourly salary based on year in school
- This opportunity 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
What you'll do (Projects this team member will work on may include, but not limited to)
- Modeling: Develop and first-order 1D and 2D models to simulate the thermal, electromagnetic, and/or wave mechanics of quench and cable systems.
- Trade-space Analysis: Conduct comprehensive analysis of various design parameters to explore the performance limits of the systems.
- Literature Search: Perform detailed literature reviews on the latest advancements and research in quench and cable physics, and to inform our modeling and analysis efforts.
- Problem Solving: Apply a strong, first-principles approach to tackle novel and challenging R&D problems, collaborating with the team to find innovative solutions.
- Analyze and interpret experimental data of superconducting magnet tests
- Run computational coupled electromagnetic + thermal models under a range of conditions
- Improve and expand analysis pipelines with scripting and code development
- Perform statistical and meta-analyses of magnet test and simulation data sets
- Explore numerical sensitivities of high-performance numerical models
- Participate in highly collaborative team discussions, give presentations to various teams, and document the outcomes
What we're looking for
- A strong academic background in physics, with coursework or research experience in thermal, electromagnetic, and/or wave mechanics, electrical engineering, computer science, mathematics, or other related STEM fields
- Proficiency in 1D and 2D modeling, using tools such as COMSOL, ANSYS, MATLAB, Python, or similar software
- Exposure to advanced electromagnetism coursework and/or lab/industry experience
- Exposure and interest in numerical algorithms for physical problems
- Exposure to modern statistical analysis tools and methods (e.g, normality analysis, correlation analysis, uncertainty analysis), with bonus points for time series analysis methods
- Exposure to instrumentation and sensor science (e.g., voltage, current, magnetic field, temperature, and other sensor types)
- Interest or experience in numerical simulation of superconductors
- Skilled at generating high quality presentation materials, and giving technical talks to informed audiences
- Excellent problem-solving skills and the ability to think critically and analytically
- Strong communication skills, both written and verbal, for presenting findings and collaborating with a team
Must-have Requirements
- 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
$23 - $35 an hour
Rates are aligned to your current year in school, ensuring equitable and consistent pay across our intern program.
For BS interns, the hourly rate is $23-$29
For MS/PhD interns, the rate is $32-$35
Benefits included for full-time interns:
- 40 hours of sick time
- Health, dental, and vision insurance
- 401(k) with employer matching (must be 21 years of age to enroll)
- Professional growth opportunities
- Team-building activities
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.
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About the role
December 11, 2025
Internship
Company
December 11, 2025
On-site
USD 23–35 per hour
Commonwealth Fusion Systems (CFS)
- Devens, Massachusetts, United States
Internship level, suitable for college students from bachelor's to PhD.
UTC-05:00
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