Subassemblies Technician
Quick Summary
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,
The Subassemblies team is responsible for delivering precision, ultra high vacuum subassemblies for seven major teams that go into the SPARC Tokamak. As a Subassemblies Specialist, you will be the last set of hands and eyes on critical parts; as such, meticulous attention to detail in build quality is necessary. You will draw upon your years of technical experience building complex systems to help streamline workflows and deliver the best possible parts. This role is truly a once in a lifetime opportunity to use hands-on assembly skills to accelerate the development of fusion energy by ensuring SPARC is built on time and to high quality. The main systems you will be building are high power RF antennas, plasma facing components, port plugs, error field correction coils, vertical stability coils and plasma diagnostics; the bespoke tools used for real-time control of a burning plasma and to achieve SPARC's science mission.
- Build complex and simple subassemblies and components while maintaining all cleanliness specification
- Perform testing and check-outs with helium leak checking and various other check-out equipment
-
Work together with scientists and engineers to ensure assemblies are meeting their design intent
-
Assist with precision alignment and installation of active and passive optical systems
-
Actively participate in maintaining mandatory cleanliness of work area and clean room
-
Participate in first encounter reviews to quickly overcome non-conformances encountered in the field
- High school diploma or equivalent experience
- 7+ years in a highly technical assembly role; e.g., aerospace/aircraft, racing, semiconductor, oil & gas, laboratory, wind, automotive
- Learns from mistakes and builds from them
- Can operate a forklift
- Experience building Intricate projects end to end
- Ability to use basic machining tools; e.g., lathe/mill
- Experience using measurement tools
- Experience rigging and lifting heavy components
- Highly self-motivated, organized, and passionate about their work and curious about what we are building
- Willingness to push through long hours when needed and open to learning new skills
Location & Eligibility
About this job
- Pay per year
- ≈ $62,400–$108,160 a year
- 25% above the $67,995 median for Other jobs on Jobera (130,710 salaries).
- Who can apply
- United States
- Posted
- Today
Listing Details
- Posted
- November 2, 2026
- First seen
- November 2, 2026
- Last seen
- November 2, 2026
Posting Health
- Days active
- 0
- Repost count
- 0
- Trust Level
- 79%
- Scored at
- November 2, 2026
Signal breakdown
4 other jobs at
View all →Stay ahead of the market
Get the latest job openings, salary trends, and hiring insights delivered to your inbox every week.
No spam. Unsubscribe at any time.