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Test Engineer

Thailand - Pathumthani (Navanakorn)💼 Full-time🗓 2025-12-16 → 2026-09-25

Core

Provide first-level engineering support for optical and electronic test issues in OCS production, including troubleshooting, root-cause analysis, and implementation of corrective actions.

Role type

Senior IC test engineer (optical/electronic manufacturing)

Builds

Optical Circuit Switch (OCS) production lines and test processes

Domain

Optical communications manufacturing

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

troubleshooting optical and electronic test issues, root-cause analysis, test equipment setup and configuration, test process maintenance, yield improvement, new product introduction (NPI) support, test documentation management, cross-site collaboration, test data analysis, VB6/VB.net programming, hands-on debug of mixed analog/digital PCBA and optical assemblies

Preferred skills

knowledge of complex PCBAs, EDFAs, and ROADMs, experience with high-end optical blades and circuit card assemblies

Technologies

VB6, VB.net

Responsibilities

Provide first-level engineering support for optical and electronic test issues in OCS production, including troubleshooting, root-cause analysis, and implementation of corrective actions. Set up, configure, validate, and maintain optical/electronic test equipment to ensure stable and accurate test operations aligned with Lumentum standards. Own and sustain test processes, monitor test data trends, and drive yield improvement and defect reduction initiatives. Support new product introduction (NPI), including test plan validation, pilot builds, equipment readiness, and alignment with global engineering requirements. Collaborate regularly with Manufacturing Engineering in Ottawa through cross-site calls to resolve issues, standardize testing methods, and drive continuous improvement activities. Prepare and maintain test documentation such as work instructions, test plans, process controls, and engineering change updates. Collect, analyze, and prepare test data reports to support engineering decisions, yield analysis, and process optimization.

Seniority

Senior, hands-on IC

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