SiC Yield Enhancement Engineer
Full-time
Bucheon-si, Gyeonggi-do, South Korea
Posted on May 17, 2026
We are seeking a Senior Yield Engineer to lead yield improvement initiatives for Power Discrete Devices.
In this role, you will be responsible for yield modeling, process integration, and data-driven analysis to strengthen the competitiveness of Si and SiC-based products.
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:
| 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. |
Qualifications
- Minimum 10 years of experience in the semiconductor industry.
- Experience in semiconductor product development and/or semiconductor process technology development.
- Strong expertise in Process Integration.
- Experience in yield analysis and yield improvement activities.
- Understanding of Power Discrete Devices (Si and SiC experience preferred).
- Excellent problem-solving and analytical skills.
- Experience driving data analysis and automation-based yield improvement initiatives.
Preferred Qualifications
- Fluent in English, both verbal and written.
- Experience with Power MOSFET process and/or device technologies.
- Experience in defect analysis and reliability evaluation.
- Experience in data analytics, statistical methodologies, and AI-based defect analysis.
Key Responsibilities
- Lead yield improvement activities for Power Discrete Devices (Si and SiC).
- Establish yield models and identify key factors affecting yield performance.
- Perform yield loss analysis and root cause analysis.
- Collaborate with Process, Device, and Equipment teams to drive improvement activities.
- Improve yield and product performance through Process Integration optimization.
- Develop and maintain yield monitoring and reporting systems.
- Support New Product Introduction (NPI) and technology development activities.
- Drive yield improvement initiatives through data analysis and automation.