Subassemblies Technician

Commonwealth Fusion Systems•Devens, MA

6d•Onsite

About The Position

The Subassemblies Technician builds precision, ultra-high-vacuum subassemblies for seven major teams working on the SPARC Tokamak. The role involves hands-on assembly of critical components, with meticulous attention to build quality, cleanliness, and design intent. The technician uses technical experience to streamline workflows and help deliver components on time and to a high standard. Systems include high-power RF antennas, plasma-facing components, port plugs, error field correction coils, vertical stability coils, and plasma diagnostics. The technician works with scientists and engineers and supports assembly, testing, alignment, installation, and resolution of non-conformances in the field.

Requirements

High school diploma or equivalent experience.
At least 7 years in a highly technical assembly role, such as aerospace/aircraft, racing, semiconductor, oil and gas, laboratory, wind, or automotive.
Ability to learn from mistakes and build on them.
Ability to operate a forklift.
Experience building intricate projects end to end.
Ability to use basic machining tools such as a lathe or mill.
Experience using measurement tools.
Experience rigging and lifting heavy components.
Highly self-motivated and organized, with passion for the work and curiosity about what the company is building.
Willingness to work long hours when needed and openness to learning new skills.
Ability to occasionally lift up to 50 pounds.
Ability to sit, climb, stoop, type, and stand for extended periods.
Willingness to occasionally travel for required nights, weekends, or on-call work.
Dedication to safety when mitigating industrial hazards that may include heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics.
Must comply with U.S. laws concerning export-controlled or protected technologies or information; employment offers are contingent on this compliance.

Nice To Haves

Soldering experience.
Knowledge of clean-room best practices.
Knowledge of cryogenic systems.

Responsibilities

Build complex and simple subassemblies and components while maintaining cleanliness specifications.
Perform testing and checkouts, including helium leak checking and use of other checkout equipment.
Work with scientists and engineers to ensure assemblies meet their design intent.
Assist with precision alignment and installation of active and passive optical systems.
Maintain mandatory cleanliness in the work area and clean room.
Participate in first-encounter reviews to address non-conformances encountered in the field.