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Senior / Staff ATE Test Engineer – Optical Transceiver Silicon

Lumilens· Engineering
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SingaporeFull-timePosted 1mo ago

About the role

Lumilens builds optical interconnect for AI data centers. The role owns test for mixed-signal ICs (SerDes, TIAs, modulator drivers, control silicon) from first-silicon bring-up to multi-site production, working with OSATs and global design/validation teams.

Responsibilities

  • Own the test strategy for one or more ICs: coverage plan, test list, insertion flow (wafer sort, final test, system-level).
  • 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.
  • Specify and bring up test hardware: load boards, probe cards, socketing, and the opto-electrical fixturing needed for photonics-attached parts. Work with vendors through layout, fab, and first article.
  • Drive first-silicon bring-up alongside design and validation. Correlate ATE results to bench characterization and system-level performance, and close the loop when they disagree.
  • Own the relationship with OSATs and test houses in the region: program release, correlation across testers and sites, multi-site and throughput optimization, capacity planning, and day-to-day production support.
  • Analyze sort and final test data to find yield limiters, marginal tests, and guard-band problems. Lead failure analysis and root cause on returns and excursions.
  • Set the standard for how test is done here — reusable test IP, data infrastructure, documentation, and review practice — and mentor junior test engineers as the Singapore team grows.

Qualifications

  • BS/MS in Electrical Engineering, Computer Engineering, Physics or a related field.
  • 8+ years developing production test for mixed-signal or high-speed ICs, including at least one program taken from first silicon through to high-volume production.
  • Deep 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 design review, signal integrity at speed, bench instrumentation (scopes, BERTs, SMUs, network analyzers, VNAs), and lab debug.
  • Statistical fluency for yield and correlation work — JMP, MATLAB, Python/pandas, or equivalent.
  • Direct experience running programs at OSATs and managing external test 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:Test strategy developmentATE programmingTest hardware specification and bring-upS/W and scriptingAnalog/mixed-signal measurement designData analysis and statisticsOSAT/test partner managementTravel readiness
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

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