Optical System Test Engineer

We’re seeking a dedicated Optical System Test Engineer to join our Fremont team and support the OLS (Optical Line System) program. This is a hands‑on role focused on L0 optical control testing, software functionality validation, and coordination of all test activities. You’ll serve as the local interface with our offshore test development team, ensuring efficient collaboration with the global OLS design and test teams.

• Own the end‑to‑end OLS optical testing and validation process, including final DVT, customer demo systems, and customer field mirror systems.
• Develop and execute test plans for L0 optical control and software functionality, transforming requirements into actionable test cases.
• Coordinate all local test activities and act as the primary point of contact for the offshore test development team.
• Support automation development to streamline workflows and provide hands‑on lab support for configuring and maintaining testbeds.
• Assist with customer demos, GUI validation, and provide onsite support for cross‑functional teams.
• Collect and analyze hardware, optics, and software data generated during testing, using statistical methods to identify trends, anomalies, and defects.

• Bachelor’s degree in Telecommunication, Electrical Engineering, Physics, or Optics.
• 5+ years in optical line system integration and optical networking testing.
• 3+ years in test development and automation for optical long‑haul or metro systems.
• Working knowledge of optical modules (WSS, OCM, DGE, EDFA, Raman, OTDR) and lab equipment (OSA, optical power meter, VOA, Optical Switch, ASE light source, TLS, Oscilloscope).
• Hands‑on lab experience with optical line system installation and bring‑up.
• Scripting experience for test automation in Python.
• Experience translating customer specifications into system test cases and plans.

• Master’s or Doctoral degree in Optical Networking (preferred).
• Fluency in Chinese.

For this role, we anticipate paying $130,000 - $180,000 per year. This role is eligible for variable pay, issued as a monetary bonus or in another form.

• Medical, dental, vision, flexible spending and health savings accounts, life insurance.
• Disability and retirement plans.
• Paid vacation / time off, educational assistance.
• Infertility assistance, paid parental leave and adoption assistance (subject to eligibility).

Equal Opportunity Employer, including disability and protected veteran status. Except where prohibited by state law, some offers of employment are conditioned upon successfully passing a drug test. This employer uses E‑Verify. Please  for additional information.