Intern - Micorwave Engineer - Summer 2027 at Commonwealth Fusion Systems

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 we're working with policymakers, suppliers, and many others to build the energy industry of the future.

We’re in the best position to make it happen. Since 2018, we’ve raised $4 billion of capital, making us the largest and leading 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 Materials Test Engineering Intern

The CFS Materials Team is seeking a motivated Materials Test Engineering Intern to join our cutting-edge team. In this role, you will support the development and testing of advanced materials critical to key tokamak systems such as plasma-facing components, the vacuum vessel, and high field magnets. This is a unique opportunity to work at the forefront of sustainable energy innovation in a collaborative, fast-paced R&D environment.

Program Details

• 13-18 week internship
• 40-50 hours per week with set hourly salary based on year in school
• Opportunities on site 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

• Working with the millimeter wave diagnostic systems, including edge-scanning reflectometry and electron cyclotron emission
• Building, testing and/or data analysis of passive RF components and optical assemblies, such as: rectangular waveguide, circular waveguide, frequency-dependent couplers, antennas, optical mirrors and polarizers
• Electromagnetic calculations of transmission, reflection, and loss

What we’re looking for

• Pursuing an engineering degree with focus in the field of Electrical Engineering, Engineering Physics, Applied Physics, Optical Engineering or Photonics Engineering
• Classwork (or a demonstrated interest) in electromagnetics, optics, or antennas
• Experience in an RF, microwave, millimeter-wave or optics lab
• Software experience with electromagnetic calculations (e.g. Ansys Electronics Desktop, Comsol, finite elements methods), matlab, CAD modeling
• Demonstration of exceptional results through a range of different pursuits
• High self-motivation and drive to execute quickly with excellent troubleshooting/problem-solving skills

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