Wafer Product Engineer
Role Overview
Lead characterization, yield analysis, statistical validation, and manufacturing readiness for semiconductor products from NPI through high-volume production.
Serve as a technical bridge among Design Engineering, Test Engineering, foundries, OSATs, and Operations.
Key Skills for This Role
Full Job Posting
Position summary
Lead characterization, yield analysis, statistical validation, and manufacturing readiness for semiconductor products from NPI through high-volume production.
Serve as a technical bridge among Design Engineering, Test Engineering, foundries, OSATs, and Operations.
Characterization, analysis, and test
- Develop characterization plans and corner-lot requirements across process, voltage, temperature, and manufacturing lots.
- Analyze electrical, optical, and functional distributions; set production test limits and guardbands; and support qualification readiness.
- Monitor Cp/Cpk, yield, parametric distributions, and process stability; identify variation and drive corrective actions.
- Plan and analyze DOEs across process variables, test conditions, environmental factors, and manufacturing variation.
- Lead GRR studies and improve measurement and test-system capability, repeatability, accuracy, and correlation.
- Investigate wafer sort and final test yield detractors and potential test escapes; recommend screening improvements.
- Partner with Design and Test on quality, test coverage, defect trends, and continuous improvement.
Manufacturing interface and NPI
- Work with foundries on process performance, excursions, capability trends, and yield programs; work with OSATs on production performance, yield loss, test implementation, and efficiency.
- Partner with ATE Test Engineers on test effectiveness, guardbands, correlation, characterization coverage, and robustness.
- Review and approve production test limits while balancing quality, yield, customer requirements, and cost.
- Collaborate with Design from concept through volume release, drive DFx, define manufacturing readiness and release criteria, and support readiness reviews and production ramps.
Required qualifications
- Bachelor's or master's degree in electrical or computer engineering, physics, semiconductor engineering, applied statistics, or a related technical discipline.
- 5+ years of semiconductor Product Engineering experience, including NPI and production ramp support.
- Strong understanding of wafer fabrication, assembly, and test processes, with direct foundry and OSAT partner experience.
- Experience leading characterization and yield improvement programs.
- Expertise in characterization, yield analysis, Cp/Cpk, SPC, DOE, GRR/MSA, correlation, root cause analysis, semiconductor manufacturing, wafer sort, final test, and product qualification.
Preferred qualifications
- Experience with PICs, silicon photonics, high-speed SerDes, analog, mixed-signal, or optical products is preferred.
- Knowledge of Advantest V93000 (93K) production test environments is preferred.
- Familiarity with JMP, Minitab, MATLAB, Python, and SQL is preferred.
- Understanding of automotive or telecom quality methodologies is preferred.
Competencies and success measures
The role calls for statistical and analytical thinking, problem solving, cross-functional influence, effective communication, project management, and prioritization.
Success measures include yield and Cp/Cpk, characterization completeness, DOE effectiveness, GRR improvements, fewer manufacturing excursions, successful ramps, product quality, and yield and cost improvements.
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