Log inSign up free
  • Home
  • Jobs
    • Applications
    • Career
    • Resume
    • Cover letters
  • Content
    • Posts
    • Media
  • Messages
  • Analytics
    • Overview
    • Pages
  • Builder
    • Templates
  • More tools
    • Profile
    • Hiring
  • Settings
All jobs
CFCommonwealth Fusion Systems logo

Commonwealth Fusion Systems

Devens, MA

Intern - Microwave Engineer - Summer 2027.

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

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
#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.
Pay
Not stated
Where
Devens, MA
Work
Not stated
Type
Internship
Posted
26 Oct, 2026
Apply on the original postingSign in to apply

Verified board

more at Commonwealth Fusion Systems.

5 Oct, 2026

Commonwealth Fusion Systems

Welder - Differential Pay for Weekend & Night Shifts

CFCommonwealth Fusion Systems logo
  • Full time
  • People & Ops

Devens, MA

Full time

Details
22 Oct, 2026

Commonwealth Fusion Systems

Treasury and Tax Analyst

CFCommonwealth Fusion Systems logo
  • Full time
  • Finance & Legal

Devens, MA

Full time

Details
14 Oct, 2026

Commonwealth Fusion Systems

Techno-Economic Analyst

CFCommonwealth Fusion Systems logo
  • Full time
  • People & Ops

Devens, MA

Full time

Details

similar roles.

27 Oct, 2026

Cirrus Logic

2027 Internship - Formal Verification Engineer

CLCirrus Logic logo
  • Internship
  • Intern
  • Engineering

Austin, Texas

Internship

Details
26 Oct, 2026

surescripts.com

Software Engineer

SCsurescripts.com logo
  • Engineering

United States, United States of America

Salary not listed

Details
26 Oct, 2026

surescripts.com

Senior Software Engineer

SCsurescripts.com logo
  • Senior level
  • Engineering

United States, United States of America

Salary not listed

Details
28 Oct, 2026

Fanatics Momentum

TechOps Engineer

FMFanatics Momentum logo
  • Engineering

Abu Dhabi

Salary not listed

Details
27 Oct, 2026

Globe

Portfolio Manager

GLGlobe logo
  • Engineering

NCR - WCC, Philippines

Salary not listed

Details
23 Sep, 2026

Bankjoy

Senior Android Engineer

BABankjoy logo
  • Full time
  • Senior level
  • Remote
  • Engineering

Canada +1

Remote

Details