Night Shift Fiber Optics Technician for Fusion R&D

Commonwealth Fusion Systems; Harvard (MA); On-site; USD 52,000 - 66,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

13 Company-wide Holidays

Flexible vacation days

10 sick days

Generous parental leave policy

401(k) with employer matching

Professional growth opportunities

Team-building activities

Job summary

Commonwealth Fusion Systems in Massachusetts seeks a Fiber Optic Applications Technician to support R&D and production with fiber splicing, testing, and integration into complex designs. You’ll help minimize attenuation, ensure equipment operation, and drive continuous improvement in collaboration with Operations, Maintenance, and Quality teams.

The role requires 4+ years in fiber optics, hands-on lab experience with attenuation and spectral analysis, and a focus on safety.

Qualifications

• 4+ years of experience in fiber optics field applications.
• Experience taking attenuation, insertion loss, and spectral analysis measurements with OTDR/OSA/OBR equipment.
• Lab experience with fiber handling to known standards.

Responsibilities

• Conduct handling, routing, splicing, testing, and potential repair of thousands of fibers in the SPARC fusion machine.
• Integrate fibers into mechanical assemblies and enclosures.
• Install fiber wrappings and protective features around fibers and enclosures.
• Train technicians in splicing, routing, and measurement procedures.
• Improve safety protocols for laser and fiber optic handling.
• Support manufacturing and R&D fiber needs.

Skills

Fiber optics expertise

Attenuation measurement

Spectral analysis

Tools

OTDR

OSA

OBR

Power meter

Job description

Commonwealth Fusion Systems in Massachusetts seeks a Fiber Optic Applications Technician to support R&D and production with fiber splicing, testing, and integration into complex designs. You’ll help minimize attenuation, ensure equipment operation, and drive continuous improvement in collaboration with Operations, Maintenance, and Quality teams.

The role requires 4+ years in fiber optics, hands-on lab experience with attenuation and spectral analysis, and a focus on safety.