lumilens - Silicon Test Engineer
Requirements
• 8–12+ years of experience in semiconductor or silicon photonics test engineering • Strong experience with ATE platforms such as Advantest 93K and/or Teradyne • Background in silicon validation, production test, DFT/DFM, and high-speed or mixed-signal testing • Experience optimizing test time, coverage, yield, and cost in a manufacturing environment • Proficiency in scripting/programming (C/C++, Python, or similar) and Linux-based environments • Strong analytical and problem-solving skills, with an ability to work through complex technical challenges • Comfortable working cross-functionally in a fast-paced, evolving environment
Responsibilities
• Test Development & Execution • Develop and implement silicon test solutions from characterization through wafer sort and final test • Create and maintain ATE test programs on platforms such as Advantest 93K and/or Teradyne • Translate design and DFT requirements into scalable, production-ready test solutions • Support new product introduction (NPI) and ensure smooth transition into high-volume manufacturing • Test Optimization & Yield Improvement • Optimize test flows to improve coverage, reduce test time, and lower cost of test • Analyze yield and test data to identify trends and drive continuous improvement • Debug test failures and identify root causes across product, test, and process • Strengthen screening coverage to ensure only high-quality devices ship to customers • Cross-Functional Collaboration • Partner closely with design, product, and process engineering teams to ensure testability is built in early • Support test plan reviews and collaborate on coverage, performance, and reliability requirements • Work with operations teams to ensure test readiness for production ramps • Test Infrastructure & Hardware • Contribute to development of high-speed test hardware and interfaces for photonics devices • Ensure test solutions meet performance requirements for high-speed and mixed-signal applications • Support improvements in test methodologies as product complexity increases
Benefits
• Competitive compensation commensurate with experience • Exposure to cutting-edge photonics technology and advanced manufacturing environments • Opportunity to work closely with cross-functional teams across engineering, product, and operations • A collaborative environment where individual contributors can make a direct and measurable impact
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