Commonwealth Fusion Systems
Fiber Optic Specialist - Weekend - Second Shift (Fri, Sat, Sun)
Devens, MA · On-site · Full-time · Posted Sep 4, 2026
- Experience
- 4+ years required; 7+ years preferred.
About the job
Performs fiber-optic installation, splicing, testing, repair, and integration work supporting R&D and production for the SPARC fusion machine.
What you'll do
- Handle, route, splice, test, and repair optical fibers; take optical measurements and minimize fiber damage and attenuation.
- Integrate fiber-related assemblies and install composite or polymer wrappings; maintain equipment and improve safety procedures.
- Support manufacturing and R&D, coordinate with other departments, and train technicians as needed.
What they ask for
- 4+ years experience in fiber optics field applications.
- Experience measuring attenuation, insertion loss, and spectral analysis using optical measurement equipment.
- Experience handling fiber in a lab setting with known standards.
- Ability to lift up to 50 lbs occasionally and work in confined or elevated locations while following industrial safety requirements.
Nice to have
- 7+ years experience in fiber optics field applications.
- Experience with distributed sensing arrays, polyimide or coated fibers, fiber assembly design and testing, or training fiber splicing techniques.
Pay
USD 38–48 per hour (per-hour-wage) base salary
Tools
OTDR, OSA, OBR, power meter, interrogators, optical multiplexers, optical switches, fault locators
Model-written summary · the original posting is authoritative