Job Information
onsemi Defect Management Engineer in Gyeonggi-do, South Korea
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, includingSiC 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
Defect management for production and VOG (Visual Outgoing Inspection)
Key Roles and Organizational Needs
(1) Focus on AOI / Defect Engineering
Operation of AOI inspection equipment(Maintenance, EVT, and recipe optimization)
Product‑level defect engineering support for BK Factory
Defect 대응 for new products and transferred products
(2) Advanced Defect Engineering Expertise
Acting as a senior defect engineering expert with strong experience in understanding defect characteristics by product family
Driving specialization and technical depth within the Defect Engineering organization
End‑to‑End Support from Technology Development to Mass‑Production Ramp‑up
(1) New Process Introduction Phase
Prediction of potential defect modes
Definition of inspection schemes
Selection of inspection tools and collaboration with vendors
(2) Mass Production Phase
Leading SPC‑based defect density management
Driving yield and reliability improvement activities
Serving as a core technical leader connecting UPS, Defect Management, and Fab organizations
onsemi (Nasdaq: ON) is driving disruptive innovations to help build a better future. With a focus on automotive and industrial end-markets, the company is accelerating change in megatrends such as vehicle electrification and safety, sustainable energy grids, industrial automation, and 5G and cloud infrastructure. With a highly differentiated and innovative product portfolio, onsemi creates intelligent power and sensing technologies that solve the world’s most complex challenges and leads the way in creating a safer, cleaner, and smarter world.
More details about our company benefits can be found here:
https://www.onsemi.com/careers/career-benefits
We are committed to sourcing, attracting, and hiring high-performance innovators, while providing all candidates a positive recruitment experience that builds our brand as a great place to work.