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Principal Engineer-Semiconductor COE / FA

📍 Johnson Electric • Jiangmen, Guangdong, China • Posted June 01, 2026

Full time Posted June 01, 2026
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Job Description

Key Responsibilities

  • Perform Root Cause Analysis (RCA): Lead the systematic investigation of MOSFET failures (e.g., electrical overstress (EOS), electrostatic discharge (ESD), gate oxide integrity, latch-up, thermal runaway, etc.) from both internal qualification tests and customer returns.
  • Utilize Advanced FA Tools: Operate and interpret data from a wide range of failure analysis equipment, including:Electrical characterization (Curve Tracer, Semiconductor Parameter Analyzer)Non-destructive analysis (X-ray, C-SAM, Optical Microscopy)De-processing techniques (Decapsulation, Wet/Delayering, Cross-sectioning)Analytical tools (SEM, EDX, FIB, TEM, OBIRCH, EMMI, TIVA)
  • Document and Report Findings: Prepare detailed FA reports with clear conclusions, supporting data, and actionable recommendations for corrective actions.
  • Collaborate Cross-Functionally: Interface with R&D, product engineering, process integration, and quality...

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