Lumilens

Assistant Test Engineer - Optical Manufacturing

Chon Buri. Posted 2 months ago

The role

The Assistant Test Engineer performs functional, performance, and reliability testing on optical transceiver products. This role involves running test stations, maintaining fixtures, and analyzing test data to improve yield and throughput.

What you will do

  • Perform incoming, in-process, and final testing of optical transceivers.
  • Operate and maintain test equipment such as BERTs, optical power meters, and oscilloscopes.
  • Execute test plans and procedures according to OEM customer specifications and MSA standards.
  • Log, analyze, and report test data and support failure analysis.
  • Calibrate and troubleshoot test fixtures, jigs, and automated test equipment.
  • Support burn-in, environmental, and reliability testing.
  • Maintain accurate documentation and traceability per quality system requirements.
  • Collaborate with Test Engineering, Quality, and Production teams.
  • Support new product introduction test bring-up and validation.
  • Ensure compliance with ESD, laser safety, and handling procedures.

Required qualifications

  • Associate degree or technical diploma in Electronics, Photonics, Engineering Technology, or a related discipline; equivalent practical experience will be considered.
  • 2+ years of hands-on experience testing optical transceivers or similar photonic/optoelectronic components in a manufacturing or OEM environment.
  • Working knowledge of optical transceiver form factors and MSA specifications.
  • Familiarity with optical and electrical test parameters.
  • Experience operating test instruments: optical power meters, OSAs, BERTs, oscilloscopes, and network analyzers.
  • Understanding of fiber optic handling, cleaning, and connector types (LC, MPO/MTP).
  • Ability to read and interpret schematics, test procedures, and datasheets.
  • Basic data analysis skills (Excel).
  • Strong attention to detail and documentation discipline.
  • Ability to work in a lab and production environment, including standing for extended periods.
  • Ability to handle small precision components and use fine tools.
  • Comfortable working near Class 1 laser sources following established safety protocols.

Nice to have

  • Experience supporting OEM/ODM customer qualification and PPAP/FA processes.
  • Familiarity with ISO 9001, TL 9000, or IATF 16949 quality systems.
  • Scripting and automation experience (Python, LabVIEW, TCL, Perl).
  • Experience with 100G/400G/800G transceiver testing.
  • Prior experience in a cleanroom or ESD-controlled manufacturing environment.
  • Laser safety training or certification.

About the company

Lumilens is building photonics infrastructure for AI supercomputing. The company is a well-funded startup developing high-speed photonics products.

Assistant Test Engineer - Optical Manufacturing at Lumilens | JobZoey