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Active
On-site
Devens, MA & Somerville, MA
Posted · 10.09.2026
Lever (US)

# Fiber Optics Manufacturing Engineer

Commonwealth Fusion Systems

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, we’re designing and building commercially viable fusion power plants. And we're working with policymakers, suppliers, and many others to build the energy industry of the future.

We’re in the best position to make it happen. Since 2018, we’ve raised $4 billion of capital, making us the largest and leading fusion company in the world.

Now we’re looking for more thinkers, doers, builders, and makers to join us. People who’ll bring new perspectives, solve tough problems, and thrive as part of a team.

If that’s you and this role fits, we want to hear from you.
Join the power movement as a Fiber Optics Manufacturing Engineer
As a Fiber Optics Manufacturing Engineer at CFS, you will play a critical role in developing, scaling, and continuously improving manufacturing processes for fiber optic cables and assemblies. You will work closely with Fiber Optic Specialists, production technicians, design engineering, quality, test, supply chain, and other cross-functional teams to transition fiber optic products from development into reliable, repeatable production.
You will combine strong manufacturing engineering fundamentals with an understanding of fiber optic processes and product requirements. You will help turn hands-on fiber optic expertise into robust manufacturing processes, tooling, documentation, process controls, and production systems that enable high-quality, high-yield manufacturing.
This role will split work between our Devens, MA and Somerville, MA locations.

This job was verified from Lever (US). Applications are completed on the original source.

[Apply on the original listing ↗](https://jobradar.live/ilan/d63c2c39-d2eb-4aad-b22c-f7b18ade73c5/git)

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