Failure Analysis Engineer
Lumilens· Operations
Bulim SquareFull-timePosted 2mo ago
About the role
As a Failure Analysis Engineer at Lumilens, you will lead investigations of optical, electrical, and mechanical failures in optical transceiver products, develop new test infrastructure, and contribute to R&D and manufacturing improvements.
Responsibilities
- Responsible for optical, mechanical and electrical analysis/troubleshooting of optical transceivers returned from field deployment or internal testing.
- Troubleshoot failures using schematics, test equipment, switches, fault isolation techniques, and Design of Experiments
- Work with cross-functional teams, including supplier quality engineers, to determine the root cause(s) and appropriate improvement/corrective actions
- Thorough documentation of all test and failure analysis results, including photographs, test data, and repair work
- Interface with production databases to extract original shipment information, test data, and traceability information.
- Assess field risk based on understanding of failure modes and field data utilizing available reliability tools
- Analyze and present periodic and timely updates on failure analysis progress and reliability estimates to R&D, corporate teams, and customers
- Engage in discussion with customers and respond to direct technical inquiries
- Bring-up new internal and external test infrastructure to validate failure signatures observed in customer environments
- Develop test scripts to operate and report data from customer switches
- Experience in datacenter architecture is a plus
Qualifications
- Minimum 5 yr. experience of related experience. Experiences in transceiver module tests at 400G, 800G, 1.6T, etc., are preferred.
- BS/MS in physics, electrical/Mechanical engineering or other relevant field or equivalent experience
- Extensive knowledge of and experience working with analog and digital circuits
- Familiar with MSA and customer standards/requirements
- Familiar with basic failure analysis techniques/methodologies
- Strong device physics background
- Fundamental understanding of OSA assembly and its periphery circuits
- Knowledge of OSA assemblies, PCBA, and module manufacturing processes is an added advantage
- Working knowledge of device characterization and its techniques
- Strong data analysis skills
- Excellent verbal and written communication skills
Skills
Required:Documentation and communication
Nice to have:Optical, electrical, and mechanical failure analysis
Last updated Sep 26, 2026. Interested? Apply on the company site.
About Lumilens
Connectivity Platform for AI
Lumilens provides next-gen photonic interconnects for massively scaling out – and scaling up – AI compute infrastructure.
Photonic InterconnectsNext-Gen ManufacturingSystem-level knowledgeLumicore platformCPO/SiPh manufacturing
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