Defect Management Engineer

Bucheon-si, Gyeonggi-do, South Korea • Posted June 03, 2026

Job Type: Full time

Location: Bucheon-si, Gyeonggi-do

Posted: June 03, 2026

Category: Engineers

Application Deadline: July 13, 2026

Role Description

This role serves as a core technical leader responsible for end‑to‑end defect engineering—from advanced SiC defect reduction and AI‑based inspection operations to SPC‑driven yield and reliability improvement—bridging UPS, Defect Management, and Fab organizations from technology development through mass production.

Key Responsibilities & Scope

(1) SiC Technology Advancement and New Defect Mode Improvement
Defect density reduction activities for various onsemi SiC products, including
 SiC MOSFETs, Super Junction structures, multi‑epitaxial growth, and Trench Gate devices
Root cause analysis and improvement activities for surface defects, trench‑inside defects, sub‑CD micro defects, and Killer / Slow Killer defects
(2) ADC & Klarity Operation and Production / VOG Management
Production operation of AI‑based Defect Classification (ADC) systems
ADC retraining, critical step monitoring, and troubleshooting
De...
                

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