Senior EPI Engineer for Bucheon Site - Bucheon-si, Gyeonggi-do, Korea, Republic of, South Korea
Originally posted 28 September 2026 by the employer.
About the role
This role involves the development and optimization of Silicon Carbide (SiC) epitaxy processes for power semiconductor technologies.
What you'll do
- Develop and optimize SiC epitaxy processes for new technology development and manufacturing ramp.
- Analyze process data and identify opportunities for yield, quality, and cost improvement.
- Design and execute DOE (Design of Experiments) and evaluate process performance.
- Investigate process issues and implement corrective actions through root cause analysis.
- Collaborate with cross-functional teams including Device, Process Integration, Reliability, and Manufacturing.
- Support qualification activities and continuous process improvement projects.
What you'll need
- Bachelor's, Master's, or Ph.D. degree in Semiconductor Engineering, Materials Science, Electrical Engineering, Physics, or a related field.
- Minimum 5+ years of experience in semiconductor process engineering.
- Hands-on experience in epitaxy, CVD, SiC, or wide bandgap semiconductor technologies.
- Strong understanding of semiconductor device physics and manufacturing processes.
Nice to have
- Experience in SiC epitaxial growth and process development.
- Knowledge of failure analysis, process control, SPC, and yield improvement methodologies.
- Experience supporting technology transfer and high-volume manufacturing.
- Experience with statistical analysis tools such as JMP or Minitab.
Skills: SiC epitaxy processes, wide bandgap semiconductor, CVD, DOE, yield, process integration
This role has been open 0 days — well below the 79-day median for Compound Semiconductor Engineering roles.
Compound Semiconductor Engineering · Compound Semiconductor
|
Open roles in category
51
|
Median days open
79 d
|
Median salary
—
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | onsemi | All employers we track in this specialty (51 roles · 21 employers) |
|---|---|---|
| Open roles in this specialty | 4 | 51 |
| Median days open | 37 d | 79 d (−42 d vs this employer) |
| Median salary (USD postings) | — | — |
Skills observed across this category: SiC epitaxy processes, wide bandgap semiconductor, CVD, DOE, yield, process integration
Who's hiring in this category
- Infineon Technologies · 7 open roles · median 47 d
- Coherent Corp · 5 open roles · median 100 d
- Lumentum · 5 open roles · median 90 d
- Texas Instruments · 5 open roles · median 16 d
- Nexperia · 3 open roles · median 97 d
- onsemi (this employer) · 3 open roles · median 39 d
How we counted: 51 open Compound Semiconductor Engineering (Compound Semiconductor) roles from 21 employers tracked in the SemiconductorJobs index, counted 28 Sept 2026. Specialty figures count only roles carrying this exact specialty label, so an employer's related work in neighbouring specialties is not included there. Figures refresh nightly.