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Senior Optical Manufacturing Test Engineer - Hardware Automation

Lumilens· Operations
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Chon BuriFull-timePosted 2mo ago

About the role

Optical Manufacturing Test Engineer responsible for validating and ensuring quality of photonic components, modules, and systems through hands-on production testing, hardware test development, and reporting to support NPI and volume manufacturing.

Responsibilities

  • End-to-end manufacturing test ownership: ensure test hardware, processes, etc. are under change control and follow QMS requirements; include equipment selection/specification, tester BOM and cost estimates, test schematic diagram, test flows, work instructions, etc.
  • Responsible for tester documentation and specifications; analyze test results to ensure compliance with performance specifications and quality standards.
  • Develop, assemble, validate, buy off and release testers for production.
  • Responsible for product test yield, with quality and reliability.
  • Analyze, define, develop, and execute continuous improvement plans to achieve test yield, cycle time, throughput, and scrap reduction.
  • Collaborate with quality teams for qualification test planning/execution.
  • Collaborate with design teams and process engineering to meet DFM/DFT guidelines.
  • Design, plan, and conduct optical and fiber testing on components, devices, and systems; perform production calibration/testing of fiber optic components/modules.
  • Maintain accurate records of test procedures and outcomes; generate comprehensive test reports for stakeholders.
  • Support troubleshooting and root cause analysis to resolve product issues.
  • Collaborate with cross-functional teams to support NPI and manufacturing ramp.
  • Train operators and review/test change orders with contract manufacturing partners.
  • Develop and implement troubleshooting guidelines, tools, templates, and data analysis for testers/products in manufacturing.
  • Manage process control of all testers, including SPC, GR&R and correlation studies.
  • Collaborate with software/IT/database teams to manage and analyze manufacturing test data cost-effectively and scalably.

Qualifications

  • Bachelor’s degree in Electrical Engineering, Industrial Engineering, Physics, or related field + 7 years experience in high-volume optical transceiver manufacturing and/or automated test system development for electronics/optics manufacturing (experience with 400G/800G/1.6T transceiver module tests preferred).
  • Excellent problem-solving and analytical skills.
  • Expert in optical test equipment and protocols related to manufacturing/design of optical transceivers.
  • Hands-on experience with optical test instruments (optical spectrum analyzers, power meters, polarization controllers, BER testers).
  • In-depth knowledge in yield analysis and manufacturing process implementation.
  • Familiarity with processor communication interfaces and test automation tools.
  • Data query/analysis skills (SQL, etc.) a plus.
  • Experience in SPC, GR&R, tester correlation, and report generation.
  • Ability to write/adapt automation scripts (Python, LabVIEW, Visual Basic; Shell scripting a plus).
  • Experience in reliability testing and quality control best practices.
  • Understanding of QMS/quality standards.
  • Expertise in optics Failure Analysis (FA) processes and tools.
  • Creative, resourceful problem-solver able to manage multiple test projects in a fast-paced environment.
  • Ability to work in geographically diverse cross-functional teams.
  • Strong English communication skills (verbal/written); ability to train/mentor peers.
  • Willingness for international travel.

Skills

Required:Test engineeringOptical testingDFM/DFTAutomation scripting

Benefits

  • All qualified applicants will receive consideration for employment without regard to race, color, religion, religious creed, sex, national origin, ancestry, age, physical or mental disability, medical condition, genetic information, military and veteran status, marital status, pregnancy, gender, gender expression, gender identity, sexual orientation, or any other characteristic protected by local law, regulation, or ordinance.
Last updated Aug 29, 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
Company profileWebsite

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