← All roles

ATE Test Engineer – Optical Transceiver Silicon

Lumilens· Engineering
Apply on company site
SingaporeFull-timePosted 1mo ago

About the role

Lumilens builds optical interconnect for AI data centers, focusing on silicon photonics, mixed-signal ICs, electrical-optical interposers, and related systems. The role owns production test programs for mixed-signal ICs (SerDes, TIAs, modulator drivers, control silicon) from bench bring-up through OSAT release and production, collaborating with design, validation, and regional test partners.

Responsibilities

  • Own test program development for assigned devices or blocks: build the test list against the coverage plan, and take it through wafer sort and final test insertions.
  • Develop, debug, and optimize ATE test programs for mixed-signal and high-speed devices — analog and DC parameters, high-speed signal path, on-chip test points, digital scan, and firmware-driven test modes.
  • Support test hardware bring-up: review load board and probe card designs, debug hardware issues in the lab, and work with vendors through first article.
  • Participate in first-silicon bring-up alongside design and validation. Correlate ATE results to bench characterization, and investigate when they disagree.
  • Be the day-to-day technical contact for your programs at our OSATs: release, correlation across testers and sites, multi-site and test time optimization, and production support.
  • Analyze sort and final test data to find yield limiters, marginal tests, and guard-band problems. Drive the fixes on your devices and support failure analysis on returns and excursions.
  • Build the reusable test IP, scripts, and data tooling that make the whole team faster.

Qualifications

  • BS/MS in Electrical Engineering, Computer Engineering, Physics, or a related field.
  • 3–5 years developing production test for mixed-signal or high-speed ICs, including at least one test program you took to production release.
  • Hands-on ATE experience on at least one major platform (Advantest 93K or T2000, Teradyne UltraFLEX or J750, Eagle, Chroma, or comparable).
  • Strong programming: C/C++ and Python, on Linux. You write test code other engineers can read and extend.
  • Solid analog and mixed-signal fundamentals — you can read a schematic, reason about a datasheet spec, and design the measurement that proves it.
  • Practical test hardware skills: load board and probe card debug, bench instrumentation (scopes, BERTs, SMUs, network analyzers, VNAs), and lab troubleshooting.
  • Working knowledge of optical systems and networks: how an optical transceiver works, optical power and link budgets, and high-speed serial protocols such as Ethernet and PAM4 signaling.
  • Statistical fluency for yield and correlation work — JMP, MATLAB, Python/pandas, or equivalent.
  • Some exposure to OSAT or subcontract test operations, and comfort working with external partners.
  • Willingness to travel regionally to test sites, and to overlap with US and India hours when a bring-up or an excursion calls for it.

Skills

Required:Electrical Engineering fundamentalsATE programming (C/C++ and Python)Test equipment and hardware debuggingMixed-signal/high-speed IC testingStatistical analysis and yield modellingOptical transceiver knowledge
Last updated Sep 19, 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

More open roles at Lumilens