Commonwealth Fusion Systems jobs

121 open Commonwealth Fusion Systems jobs in the US and India (6 posted in the last 7 days), collected from Commonwealth Fusion Systems’s own careers site and checked twice a day. Every listing links to the company’s site to apply.

Latest openings

• Staff OT/IT Support Engineer

  Commonwealth Fusion Systems · Milpitas
  Posted 2026-10-16
• Field Assembly Manager

  Commonwealth Fusion Systems · Devens
  Posted 2026-10-16
• Intern - AI & Infrastructure Engineer - Spring 2027

  Commonwealth Fusion Systems · Devens
  Posted 2026-10-15
• Intern - Assembly Technical Project Manager - Spring 2027

  Commonwealth Fusion Systems · Devens
  Posted 2026-10-15
• Intern - Controls Engineer - Summer 2027

  Commonwealth Fusion Systems · Milpitas
  Posted 2026-10-15
• Intern - Health Physics - Spring or Summer 2027

  Commonwealth Fusion Systems · Devens
  Posted 2026-10-15
• Intern - Mechanical Engineer - Summer 2027

  Commonwealth Fusion Systems · Milpitas
  Posted 2026-10-15
• Intern - Mechanical Equipment Engineer - Spring 2027

  Commonwealth Fusion Systems · Devens
  Posted 2026-10-15
• Intern - Nuclear Engineer - Summer 2027

  Commonwealth Fusion Systems · Devens
  Posted 2026-10-15
• Senior Mechanical Engineer

  Commonwealth Fusion Systems · Milpitas
  Posted 2026-10-16
• Molten Salt Engineer

  Commonwealth Fusion Systems · Devens
  Posted 2026-10-14
• Principal Mechanical Engineer - Web Handling

  Commonwealth Fusion Systems · Milpitas
  Posted 2026-10-14
• Senior Computational Materials Scientist

  Commonwealth Fusion Systems · Devens · Hybrid
  Posted 2026-10-14
• Senior Controls Engineer

  Commonwealth Fusion Systems · Devens
  Posted 2026-10-14
• Enterprise Systems Administrator

  Commonwealth Fusion Systems · Devens · Hybrid
  Posted 2026-10-14
• Techno-Economic Analyst

  Commonwealth Fusion Systems · Devens
  Posted 2026-10-14
• Assembly Test Implementation Engineer

  Commonwealth Fusion Systems · Devens
  Posted 2026-10-08
• Controls Engineer

  Commonwealth Fusion Systems · Devens
  Posted 2026-10-07
• Environmental, Health & Safety Technician

  Commonwealth Fusion Systems · Devens
  Posted 2026-10-09
• Equipment Technician

  Commonwealth Fusion Systems · Milpitas
  Posted 2026-10-07
• Intern - Industrial Engineer - Spring or Summer 2027

  Commonwealth Fusion Systems · Devens
  Posted 2026-10-09
• Intern - Manufacturing Engineer - Spring or Summer 2027

  Commonwealth Fusion Systems · Devens
  Posted 2026-10-09
• Intern - Nuclear/Systems Engineer - Summer 2027

  Commonwealth Fusion Systems · Devens
  Posted 2026-10-09
• Manufacturing Engineer - Contract

  Commonwealth Fusion Systems · Somerville
  Posted 2026-10-05
• Production Technician Supervisor - Second Shift

  Commonwealth Fusion Systems · Devens
  Posted 2026-10-07
• Senior Enterprise Solution Architect

  Commonwealth Fusion Systems · Milpitas
  Posted 2026-10-07
• Senior Technical Project Manager - Design/Assembly

  Commonwealth Fusion Systems · Devens
  Posted 2026-10-07
• Staff Supply Chain Engineer - Molten Salts

  Commonwealth Fusion Systems · Devens · Remote
  Posted 2026-10-02
• Welder - Differential Pay for Weekend & Night Shifts

  Commonwealth Fusion Systems · Devens
  Posted 2026-10-05
• Assistant General Counsel – Commercial

  Commonwealth Fusion Systems · Devens · Hybrid
  Posted 2026-09-18
• Control Software Engineer

  Commonwealth Fusion Systems · Devens · Hybrid
  Posted 2026-08-05
• CSA Project Engineer

  Commonwealth Fusion Systems · Devens · Hybrid
  Posted 2026-09-28
• Diagnostician

  Commonwealth Fusion Systems · Devens
  Posted 2026-03-05
• Director, Corporate FP&A

  Commonwealth Fusion Systems · Devens
  Posted 2026-09-11
• Director, Manufacturing, Operations & Supply Chain Finance

  Commonwealth Fusion Systems · Devens · Hybrid
  Posted 2026-08-26
• Director, Project Development

  Commonwealth Fusion Systems · Devens · Hybrid
  Posted 2026-04-23
• Director, Supply Chain

  Commonwealth Fusion Systems · Devens · Hybrid
  Posted 2026-09-02
• Electrical Engineer

  Commonwealth Fusion Systems · Devens
  Posted 2026-09-11
• Environmental, Health & Safety Technician - Weekend First Shift (Fri, Sat, Sun)

  Commonwealth Fusion Systems · Devens
  Posted 2026-08-26
• Equipment Specialist

  Commonwealth Fusion Systems · Devens
  Posted 2026-08-26
• Executive Operations Partner

  Commonwealth Fusion Systems · Devens · Hybrid
  Posted 2026-09-11
• Fiber Optic Specialist - First Shift

  Commonwealth Fusion Systems · Devens
  Posted 2026-09-16
• Fiber Optic Specialist - Third Shift

  Commonwealth Fusion Systems · Devens
  Posted 2026-09-04
• Fiber Optic Specialist - Weekend - Second Shift (Fri, Sat, Sun)

  Commonwealth Fusion Systems · Devens
  Posted 2026-09-04
• Field Mechanical Engineer - Assembly

  Commonwealth Fusion Systems · Devens
  Posted 2026-05-30
• Head of Power Origination

  Commonwealth Fusion Systems · Devens · Remote
  Posted 2026-09-30
• Lead Assembly Technician

  Commonwealth Fusion Systems · Devens
  Posted 2026-06-15
• Lead Assembly Technician - Third Shfit

  Commonwealth Fusion Systems · Devens
  Posted 2026-09-04
• Lead Piping Engineer

  Commonwealth Fusion Systems · Devens · Remote
  Posted 2026-07-07
• Lead Production Technician - First Shift

  Commonwealth Fusion Systems · Somerville
  Posted 2026-09-30

Questions

How many Commonwealth Fusion Systems jobs are open right now?

121 listings are open on OpeningsFirst today, all from employers’ own career pages. 6 more were posted in the last 5 days and went to subscribers first.

How do I hear about new Commonwealth Fusion Systems jobs first?

Subscribers get new matching jobs by email at 8 am and 6 pm, 5 days before they open on these pages. It costs ₹299 a month.

See who’s hiring in the US this week →