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Commonwealth Fusion Systems

Fiber Optics Manufacturing Engineer

Devens, MA & Somerville, MA$90k–$145kfull-timemidAdded 2 days ago

About this role

Commonwealth Fusion Systems seeks a Fiber Optics Manufacturing Engineer to develop and scale manufacturing processes for fiber optic cables and assemblies used in fusion energy systems. You'll bridge hands-on fiber optic expertise with robust process engineering, collaborating across production, design, quality, and supply chain teams to achieve high-yield, reliable manufacturing at two Massachusetts locations.

What you'll do

  • Design and optimize manufacturing processes for fiber optic cables and assemblies
  • Develop tooling, documentation, and process controls for production scale-up
  • Collaborate with fiber optic specialists and production technicians on process implementation
  • Work with quality and test teams to ensure high yields and product reliability
  • Coordinate with supply chain and cross-functional engineering teams on material and process improvements
  • Transition fiber optic products from development into repeatable, high-volume production

What they're looking for

  • Manufacturing process engineering
  • Fiber optic cable and assembly knowledge
  • Process controls and documentation
  • Tooling design and development
  • Cross-functional team collaboration
  • Quality and yield optimization
  • Production scaling and continuous improvement
  • Technical problem-solving
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Commonwealth Fusion Systems

Commonwealth Fusion Systems develops next-generation fusion power technology, including high-temperature superconducting magnets and the SPARC fusion power demonstrator. The company is hiring R&D engineers, test engineers, mechanical engineers, and metrology specialists to advance fusion energy development through rigorous testing, innovative fluid systems design, manufacturing optimization, and precision measurement of complex reactor components.

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Likely interview questions

  • What experience do you have with fiber optic cable or assembly manufacturing processes?
  • Describe a time you scaled a manufacturing process from development to high-volume production—what were the key challenges?