Photonics Hardware Validation Engineer
LightmatterVisit Lightmatter website
Lightmatter is a photonic-computing company developing optical interconnects and light engines for AI-scale data centers.
Mountain View, United States
Funding history
About Lightmatter
Founded in 2017 by MIT researchers, Lightmatter develops photonic infrastructure for AI, including its Passage interconnect platform and Guide light engine.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will develop photonic test systems and validate silicon-photonics optical interconnect products. You will create validation plans, configure lab test benches, perform electro-optic and link-level testing, troubleshoot issues, and automate test analysis and reporting.
Requirements
- Bachelor’s degree in Electrical Engineering, Physics, or a related field
- Experience with bench test equipment for data communications and electro-optic link testing
- Experience with electro-optic link-level testing and characterization in a lab environment
- Familiarity with PCB design and debugging electro-optic circuits
- Basic scripting skills for lab-test automation, result analysis, and report generation
- Understanding of electrical and optical transmitter and receiver blocks
- Ability to troubleshoot and debug transceiver electrical and optical building blocks
- Experience with high-speed data communication systems, including NRZ and PAM4 signaling
- Familiarity with IEEE, OIF-CEI, or similar data communications standards
- Proficiency in Python, MATLAB, or similar automation tools
- Documentation skills for test plans, reports, and technical presentations
- Experience leading or mentoring junior engineers in lab validation and testing workflows
Responsibilities
- Develop chip validation plans aligned with product specifications, xDVT, and interoperability testing
- Contribute to test-plan development and test-bench configuration planning
- Set up lab test equipment and troubleshoot validation setups
- Perform electro-optic and link-level testing using industry-standard practices and equipment
- Support chip bring-up, testing, and validation of optical interconnect products
Benefits
- Health care plan including medical, dental, and vision coverage
- Retirement savings matching program
- Life insurance including basic, voluntary, and AD&D coverage
- Vacation, sick time, and public holidays
- Paid family leave
- Short-term and long-term disability coverage
- Commuter benefits
- Flexible hybrid workplace model
- Equity grants for eligible full-time employees