# Fiber Optics Manufacturing Engineer at Commonwealth Fusion Systems (CFS)

- Company: Commonwealth Fusion Systems (CFS)
- What the company does: The world's largest and leading commercial fusion energy company. Backed by Khosla.
- Company website: https://cfs.energy/
- Type: Startups
- Level: Mid level
- Location: Devens, MA & Somerville, MA
- Work setup: On-site
- Pay: $90K to $145K base salary per year (USD)
- Posted: 2026-09-09
- Apply by: 2026-10-24
- Apply: https://jobs.lever.co/cfsenergy/9bbd6eea-7e8e-491f-b85b-20f07711b153
- Page: https://www.1752.vc/careers/jobs/commonwealth-fusion-systems-cfs-fiber-optics-manufacturing-engineer/

## About the role

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.

## What they're looking for

- Bachelor's degree in Mechanical Engineering, Manufacturing Engineering, Industrial Engineering, Optical Engineering, or equivalent work experience
- 5+ years of manufacturing engineering experience, including experience developing or improving fiber optic, optical, cable assembly, precision assembly, or other technically sensitive manufacturing processes
- Experience working directly with fiber optic manufacturing, cable assembly, optical fiber handling, splicing, testing, or related precision processes
- Strong understanding of manufacturing process development, process control, troubleshooting, and continuous improvement
- Experience with Lean Manufacturing, Six Sigma, RCCA, DOE, SPC, process capability, or other structured problem-solving methodologies
- Strong analytical and problem-solving skills, with the ability to use manufacturing and test data to identify root causes and drive process improvements

Tags: Operations - Manufacturing