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Principal Test Engineer

Japan - Sagamihara💼 Full-time🗓 2026-06-26 → 2026-09-25

Core

Develop and implement testing methodologies, tools, and strategies for EML and CW laser product lines to ensure speed, scale, cost, and quality.

Role type

Principal Test Engineer (Semiconductor Lasers)

Builds

Factory test strategies, processes, and tools for laser production

Domain

Semiconductor lasers, photonics, manufacturing

Deliverable

production ML models | product features | dashboards & analysis | infrastructure

Required skills

Test engineering, statistical data analysis, Gage R&R, test automation, root cause analysis, SQL, JMP, yield improvement, troubleshooting

Preferred skills

Semiconductor laser device design, process development, characterization, photonics components knowledge

Technologies

SQL, JMP

Responsibilities

Develop and release factory test strategies and tools; Perform statistical data analysis for yield enhancement; Drive test automation and process improvement initiatives; Lead troubleshooting and FA activities with suppliers and operations

Seniority

Senior, hands-on IC

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