LU
LumentumEngineer Staff, HW Development
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Before you apply
LocationChina - Shenzhen (Nanshan)
Work modeon-site
Typefull-time
SeniorityLead
Experience3+ yrs
DepartmentEngineering
Company size10,000+ people
PostedSep 21, 2026 · 1mo ago
Verified live11h ago
At a glanceSummarised by Seekless from the posting.
Master’s degree with 3+ years of experience, or Bachelor’s degree with 5+ years of experience, in optical communications, optical module development, high-speed electronics, or R&D testing
Strong understanding of optical module architecture and key components (including lasers, PICs, TOSA, ROSA, DSPs, drivers, TIAs, SerDes, MPDs, and module management interfaces)
Experience with optical module integration, performance debugging, parameter tuning, and system-level optimization
Ability to read and interpret test specifications, register definitions, technical documentation, and product requirements
Strong capabilities in test planning, test data analysis, failure reporting, and technical documentation
Strong communication skills
Strong coordination skills
Strong learning skills
Strong analytical problem-solving skills
Good English proficiency, equivalent to CET-6 or above
Curious about innovative technologies and motivated to develop strong technical expertise
Proactive
Organized
Diligent
Highly motivated
Able to work effectively in a highly technical, collaborative team environment
Committed to completing assigned tasks accurately and on time
Strong collaboration skills
Experience with Python, JMP, Excel, or other data analysis and test automation tools
Hands-on experience with optical transceiver testing across EVT, EDVT, DVT, ODVT, and FVT phases
Skills
Python
JMP
Excel
About the company
It’s fun to work in a company where people truly BELIEVE in what they’re doing!
We’re committed to bringing passion and customer focus to the business.
If you like wild growth and working with happy, enthusiastic over-achievers, you’ll enjoy your career with us!
About the role
Lumentum is seeking Engineer Staff, HW Development to support the development, integration, debugging, and system-level validation of high-speed optical modules.
This role will focus on module integration testing and performance optimization across key optical and electrical components, including lasers, DSPs, PICs, TIAs, drivers, and associated control circuits. The ideal candidate will have experience in optical module integration, high-speed PAM4 systems, optical communication standards, performance troubleshooting, and cross-functional problem-solving.
Nice to have
Hands-on experience with optical transceiver testing across EVT, EDVT, DVT, ODVT, and FVT phases is preferred.
Key Responsibilities:
•
Develop and execute R&D test plans for high-speed optical modules throughout EVT, EDVT, DVT, ODVT, and customer qualification phases.
•
Perform integration debugging and performance optimization of optical modules.
•
Lead module-level performance tuning by correlating optical and electrical measurements, DSP status, register settings, telemetry data, and system-level results.
•
Define, review, and maintain test plans, test specifications, test cases, validation reports, and debug documentation.
•
Perform system-level validation involving optical modules, switches, traffic testers, reference modules, optical fibers, and test equipment.
•
Apply relevant optical communication standards and specifications, including IEEE 802.3 Ethernet standards and CMIS 5.2/5.3 management specifications.
•
Lead design of experiments (DOE), performance optimization, and root-cause analysis in collaboration with optical, hardware, DSP, firmware, system, supplier, manufacturing, and quality teams.
•
Support the selection, procurement, installation, calibration, and validation of test equipment, fixtures, and R&D test stations.
•
Support customer sample testing, ODVT data preparation, customer issue analysis, and technical report generation.
•
Serve as the test owner or test lead for assigned programs, track test progress and open issues, and proactively drive project milestones to completion.
Required Qualifications:
•
Master’s degree with 3+ years of experience, or Bachelor’s degree with 5+ years of experience, in optical communications, optical module development, high-speed electronics, or R&D testing.
•
Strong understanding of optical module architecture and key components, including lasers, PICs, TOSA, ROSA, DSPs, drivers, TIAs, SerDes, MPDs, and module management interfaces.
•
Experience with optical module integration, performance debugging, parameter tuning, and system-level optimization.
•
Ability to read and interpret test specifications, register definitions, technical documentation, and product requirements.
•
Strong capabilities in test planning, test data analysis, failure reporting, and technical documentation.
•
Experience with Python, JMP, Excel, or other data analysis and test automation tools is preferred.
•
Strong communication, coordination, learning, and analytical problem-solving skills.
•
Good English proficiency, equivalent to CET-6 or above, including reading, speaking, and writing.
•
Curious about innovative technologies and motivated to develop strong technical expertise.
•
Proactive, organized, diligent, and highly motivated.
•
Able to work effectively in a highly technical, collaborative team environment.
•
Committed to completing assigned tasks accurately and on time.
•
Strong communication and collaboration skills.