Enter a job title or keyword
Fiber Optic Specialist Third Shift
Job Location:
Job Location:
Devens, MA - USA
Hourly Salary:
USD 38 - 48
Hourly Salary:
Posted:
6 September 2026 (5 hours ago)
Posted:
Application Deadline:
4 December 2026
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Job 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 were designing and building commercially viable fusion power plants. And were working with policymakers suppliers and many others to build the energy industry of the future.
Were in the best position to make it happen. Since 2018 weve raised $4 billion of capital making us the largest and leading fusion company in the world.
Now were looking for more thinkers doers builders and makers to join us. People wholl bring new perspectives solve tough problems and thrive as part of a team.
If thats you and this role fits we want to hear from you.
Join the power movement as a Fiber Optic Specialist
The Fiber Optic Applications Technician is an exciting and evolving role with a responsibility for assisting R&D and production staff with all aspects of optical fiber work such as fiber splicing testing and incorporation of fibers into complex design features while minimizing damage and attenuation to the fiber throughout its lifetime. The technician will ensure functional operation and preventative maintenance of equipment as well as continuous improvement. Responsibilities include close cooperation with Operations Maintenance Quality and other departments to ensure goals and objectives are met. This role will lead the way to making Earth sustainable for the future to come.
This work is conducted within a multi-disciplinary team of technicians and engineers. Participation and clear concise communication while working with the team is crucial.
Hours: 10:00 pm - 6:30 am
Rate of pay: $38 - $48 per hour 15% differential
What youll do:
- Conduct the handling routing splicing testing and potential repair of 1000s of fibers throughout the SPARC fusion machine
- Perform mechanical integration of small assemblies adjacent or in conjunction with the fiber work such as passthrough flanges and enclosures for the fibers
- Install composite or polymer wrappings for the fibers and their enclosures
- Train other technicians as needed in the proper installation splicing routing and measurement procedures
- Improve safety protocols for laser and fiber optic handling
- Fulfill manufacturing and R&D fiber needs
What were looking for:
- 4 years experience in fiber optics field applications
- Experience with taking attenuation insertion loss and spectral analysis measurements using various measurement equipment (such as OTDR OSA OBR power meter etc.)
- Must have experience fiber handling in a lab setting with known standards
Bonus points for:
- 7 years experience in fiber optics field applications
- Experience in utilizing distributed sensing arrays
- Experience with polyimide and a variety of coated fibers
- At least 1 year experience in teaching and/or training fiber splicing techniques and cable assemblies
- Experienced with designing building and testing fiber cable assemblies particularly in cryogen and vacuum conditions
- Experience performing fiber optic work in environments with limited space or requiring odd positions.
- Skills:
- Fiber coating removal
- Fiber re-coating
- Specialty fiber splicing
- Fiber proof-testing
- Measurement and analysis techniques with optical tools and equipment such as interrogators optical multiplexers optical switches fault locators OTDR etc.
- Knowledgeable about various optics sensing techniques and optical attenuation/insertion loss mechanisms
- Basic Materials Science knowledge
- Good communication skills
- Good attention to detail
Must-have Requirements:
- Ability to occasionally lift up to 50 lbs
- Perform activities:
- Stooping typing standing or sitting for extended periods of time
- May need to operate in small confined places in odd locations
- Work locations could include being on platforms around 25 feet high
- Dedication to safety to mitigate industrial hazards that may include heat cold noise fumes strong magnets lead (Pb) high voltage and cryogenics
- Willingness to travel or work required nights/weekends/on-call occasionally
$38 - $48 an hour
Salary range for this full-time position equity benefits.The actual salary will depend on level location qualifications and experience. The range displayed on each job posting reflects new hire salaries for the position across all US locations.
Benefits include:
Competitive compensation with equity
13 Company-wide Holidays
Flexible vacation days
10 sick days
Generous parental leave policy
Health dental and vision insurance
401(k) with employer matching
Professional growth opportunities
Team-building activities
#LI-Onsite
At CFS we excel in fast-paced environments driven by our values of integrity execution impact and self-critique. As we grow were eager to bring on mission-driven folks who offer diverse perspectives and fresh ways to tackle challenges.
We value diversity deeply and are proud to be an equal opportunity employer by choice. We consider all qualified applicants equally regardless of race color national origin ancestry citizenship status protected veteran status religion physical or mental disability marital status sex sexual orientation gender identity or expression age or any other basis protected by law.
This role requires compliance with U.S. laws concerning the export of controlled or protected technologies or information (collectively Export Control Laws). Any offer of employment will be contingent on the need for compliance with such Export Control Laws.
Required Experience:
IC
