Commonwealth Fusion Systems
Fiber Optic Specialist - First Shift
Devens, MA · On-site · Full-time · Posted Sep 16, 2026
- Experience
- 4+ years required; 7+ years preferred.
About the job
Performs fiber-optic installation, splicing, testing, repair, and integration work for the SPARC fusion machine, supporting R&D and production teams.
What you'll do
- Handle, route, splice, test, and potentially repair fibers; integrate related small assemblies and install fiber wrappings.
- Train technicians and improve safety procedures for laser and fiber-optic handling.
- Support manufacturing and R&D fiber needs and coordinate with other departments.
What they ask for
- 4+ years of experience in fiber optics field applications.
- Experience measuring attenuation, insertion loss, and spectral analysis using optical measurement equipment.
- Experience handling fiber in a laboratory setting with established standards.
- Ability to occasionally lift up to 50 lbs and work in confined spaces, at heights, and on occasional nights, weekends, or on-call shifts.
Nice to have
- 7+ years of experience in fiber optics field applications.
- Experience with distributed sensing arrays, polyimide or coated fibers, fiber training, or cable assemblies in cryogen or vacuum conditions.
Pay
USD 38–48 per hour (per-hour-wage)
Tools
OTDR, OSA, OBR, power meter, interrogators, optical multiplexers, optical switches, fault locators
Model-written summary · the original posting is authoritative