Commonwealth Fusion Systems Jobs and Careers

Updated November 8, 2026

143 open Commonwealth Fusion Systems roles are tracked on Verde Talent right now, across grid work. Most of the US roles are in Massachusetts and California. Each one links through to the full posting.

143
roles open now
140
of them in the US
6
locations tracked
~1,000
employees

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.

In Commonwealth Fusion Systems's own words, from their postings.

Open roles at Commonwealth Fusion Systems

Lead Technician, Electrical Assembly Testing
Devens, MA
Diagnostics Mechanical Engineer
Devens, MA
Manufacturing Engineer - Third Shift
Devens, MA
R&D Test Engineer
Devens, MA
R&D Test Engineer - Electrical Power Systems
Devens, MA
Senior Diagnostics Mechanical Engineer
Devens, MA
Senior Finance Analyst, Operations
Devens, MA
Senior R&D Engineer
Devens, MA
Intern - R&D Multiphysics Simulation Intern - Spring or Summer 2027
Somerville, MA
Hiring Event for Production Technicians: First, Second and Third shifts available
Somerville, MA
Senior Manufacturing Engineer - Assembly - Second Shift
Devens, MA
Subassemblies Technician
Devens, MA
Intern - Electrical/Electromechanical Engineer - Spring 2027
Devens, MA
Intern - Fusion Fuel Systems - Spring or Summer 2027
Devens, MA
Intern - Mechanical and Magnet Engineer - Spring or Summer 2027
Devens, MA
Intern - Structural Engineer - Summer 2027
Devens, MA
Shift Operator- SPARC - Third Shift
Devens, MA
Production Technician - Second Shift
Devens, MA
Senior Power Electronics Engineer
Devens, MA
Machinist - Contract - Weekend Shift
Devens, MA
Show all 143 open Commonwealth Fusion Systems roles
Mechanical Engineer
Devens, MA
Production Technician Supervisor - First Shift
Devens, MA
Senior Electrical Engineer
Milpitas, CA
Senior Mechanical Engineer - Vacuum
Milpitas, CA
Senior Modeling and Simulation Engineer
Milpitas, CA
Senior Quality Engineer
Devens, MA
Senior Strategic Program Manager, Open Innovation
Devens, MA
Staff Process Engineer
Devens, MA
Intern - Composites and Insulation Materials - Summer 2027
Somerville, MA
Intern - I&C and Network Engineer - Spring or Summer 2027
Devens, MA
Intern - Plasma Physics - Summer 2027
Devens, MA
Intern - Systems Engineer - Summer 2027
Devens, MA
Intern - Cryogenics Engineer - Spring 2027
Devens, MA
Intern - EHS Engineer - Spring or Summer 2027
Devens, MA
Intern - Micorwave Engineer - Summer 2027
Devens, MA
Senior Manufacturing Engineer - Second Shift
Devens, MA
Accounts Payable Specialist
Devens, MA
Fiber Optic Specialist - First Shift
Somerville, MA
Intern - Materials Test Engineer - Summer 2027
Devens, MA
Technical Accounting and Internal Controls Lead
Devens, MA
Treasury and Tax Analyst
Devens, MA
Materials Test Operator - Contract
Devens, MA
Field Assembly Manager
Devens, MA
Senior Mechanical Engineer
Milpitas, CA
Staff OT/IT Support Engineer
Milpitas, CA
Intern - Assembly Technical Project Manager - Spring 2027
Devens, MA
Intern - Controls Engineer - Summer 2027
Milpitas, CA
Intern - Health Physics - Spring or Summer 2027
Devens, MA
Intern - Mechanical Equipment Engineer - Spring 2027
Devens, MA
Intern - Nuclear Engineer - Summer 2027
Devens, MA
Molten Salt Engineer
Devens, MA
Principal Mechanical Engineer - Web Handling
Milpitas, CA
Senior Computational Materials Scientist
Devens, MA
Senior Controls Engineer
Devens, MA
Systems Administrator
Devens, MA
Techno-Economic Analyst
Devens, MA
Environmental, Health & Safety Technician
Devens, MA
Intern - NRad & Nuclear/Systems Engineer - Summer 2027
Devens, MA
Assembly Test Implementation Engineer
Devens, MA
Controls Engineer
Devens, MA
Equipment Technician
Milpitas, CA
Production Technician Supervisor - Second Shift
Devens, MA
Senior Enterprise Solution Architect
Milpitas, CA
Senior Technical Project Manager
Devens, MA
Manufacturing Engineer - Contract
Somerville, MA
Welder - Differential Pay for Weekend & Night Shifts
Devens, MA
Staff Supply Chain Engineer - Molten Salts
Devens, MA
Power Business Research and Analytics Manager
Devens, MA
Senior Equipment Engineering Project Manager
Devens, MA
Head of Origination
Devens, MA
Senior Manufacturing Engineer - Assembly
Devens, MA
Senior Manufacturing Engineer - First Shift
Devens, MA
Staff Fuel Cycle & Blanket Test Engineer
Devens, MA
Subassemblies Specialist
Devens, MA
Supply Chain Operations Coordinator - First Shift
Devens, MA
R&D Technician - First Shift
Devens, MA
Supply Chain Coordinator - Contract
Ayer, MA
Senior Field Mechanical Engineer - Assembly - Second Shift
Devens, MA
Senior R&D Technical Project Manager
Devens, MA
Staff Computational Materials Scientist
Devens, MA
Staff Materials Engineer - Metallurgical Engineering
Devens, MA
RF Electronics Engineer
Devens, MA
Senior Fuel Cycle and Blanket Mechanical Engineer
Devens, MA
Manager, Process Engineering - Assembly
Devens, MA
Operations Coordinator - Assembly
Devens, MA
Senior Manager, Accounting Operations
Devens, MA
Senior Test Planning Engineer - Assembly
Devens, MA
Staff Mechanical Engineer - Remote Maintenance
Devens, MA
Staff Supplier Integration Manager - ARC
Devens, MA
Assistant General Counsel – Commercial & Corporate
Devens, MA
Senior Mechanical Engineer - Remote Maintenance
Devens, MA
Staff Scientist - Plasma Material Interaction
Devens, MA
Fiber Optic Specialist - First Shift
Devens, MA
Senior Process Engineer
Devens, MA
Director, Corporate FP&A
Devens, MA
Electrical Engineer
Devens, MA
Executive Operations Partner
Devens, MA
Senior RF Test Engineer
Devens, MA
Senior Technical Project Manager
Devens, MA
Manufacturing Engineer - First Shift
Devens, MA
Staff Electrical Engineer
Milpitas, CA
Supply Chain Operations Supervisor
Devens, MA
Senior R&D Test Engineer - Fluid Systems
Devens, MA
Fiber Optic Specialist - Third Shift
Devens, MA
Fiber Optic Specialist - Weekend - Second Shift (Fri, Sat, Sun)
Devens, MA
Lead Assembly Technician - Third Shfit
Devens, MA
Quality Engineer - Nights & Weekend Shifts + Differential Pay
Devens, MA
Director, Supply Chain
Devens, MA
Lead Production Technician - Third Shift
Devens, MA
Molten Salt Engineer
Devens, MA
Senior Structural Mechanical Engineer
Devens, MA
Supply Chain Operations Coordinator - First Shift - Contract
Devens, MA
Director, Manufacturing, Operations & Supply Chain Finance
Devens, MA
Lead Technician, Assembly Testing
Devens, MA
Manufacturing Engineer - Third Shift
Somerville, MA
Senior Manufacturing Engineer - Third Shift
Devens, MA
Mechanical Engineer – Cable Magnets
Devens, MA
Senior Manager, Mechanical Engineering — Vacuum Vessel
Devens, MA
Senior Embedded Software Engineer
Devens, MA
Principal Mechanical Engineer - Vacuum
Milpitas, CA
Principal Scientist - Radio Frequency Plasma Heating
Devens, MA
Senior Algorithms and Simulation Software Engineer
Devens, MA
Senior Data and Operations Software Engineer
Devens, MA
Senior Mechanical Engineer – Cable Magnets
Devens, MA
Senior Mechanical Engineer - Assembly Equipment
Devens, MA
NDT Manager – Responsible Level III
Devens, MA
Staff Modeling and Simulation Engineer
Milpitas, CA
Principal RF Systems Engineer
Devens, MA
Control Software Engineer
Devens, MA
Staff Multiphysics Modeler
Devens, MA
Manufacturing Engineer - Second Shift
Somerville, MA
Lead Piping Engineer
Devens, MA
R&D Test Engineer - Fluid Systems
Devens, MA
Senior R&D Electromagnetic Analysis Engineer
Devens, MA
Lead Technician - Assembly
Devens, MA
Senior Metrology Engineer
Milpitas, CA
Field Mechanical Engineer - Assembly
Devens, MA
Senior Manufacturing Engineer - Weekend First Shift (Fri, Sat, Sun)
Devens, MA
Senior Manufacturing Engineer - Weekend Second Shift (Fri, Sat, Sun)
Devens, MA
Senior Field Mechanical Engineer - Assembly
Devens, MA
Intern - R&D Test Engineer - Spring or Summer 2027
MA & Somerville, MA
Project Manager, Project Development
MA
CSA Project Engineer
MA

Or search and filter every open Commonwealth Fusion Systems role on the jobs page.

Where Commonwealth Fusion Systems is hiring

Massachusetts127California13

What Commonwealth Fusion Systems posts most

Engineering81
Construction & Field14
Supply Chain & Procurement8
Finance & Accounting7
Project & Program Management7

What Commonwealth Fusion Systems advertises

$107,000median advertised

Across the 143 of 143 open postings that publish a salary. See grid pay benchmarks.

Common questions

Is Commonwealth Fusion Systems hiring?

Yes - 143 open roles from Commonwealth Fusion Systems are tracked on Verde Talent today, 140 of them in the US. The list is rebuilt daily, so roles that close drop off and new postings appear the day after they go up.

What kinds of jobs does Commonwealth Fusion Systems post?

Mostly engineering (81), construction & field (14) and supply chain & procurement (8), counted across every open Commonwealth Fusion Systems posting tracked today.

Where does Commonwealth Fusion Systems hire in the US?

Today the most Commonwealth Fusion Systems postings are in Massachusetts (127) and California (13).

What does Commonwealth Fusion Systems pay?

143 of the open Commonwealth Fusion Systems postings advertise pay, and their median is $107,000 a year. That is advertised pay rather than offers made, and postings without a published range are not counted.

How big is Commonwealth Fusion Systems?

Commonwealth Fusion Systems employs about 1,000 people.

See all 143 open rolesAll grid jobsCommonwealth Fusion Systems's careers page

Counts are open roles tracked on Verde Talent today, rebuilt daily from Commonwealth Fusion Systems's live postings. Pay figures are what the postings advertise, not offers made.

Data updated November 8, 2026