GaN Technology Engineer - Hitachinaka, Japan
Originally posted 6 October 2026 by the employer.
This role focuses on GaN high-efficiency power conversion technologies.
About the role
This position will focus on GaN power semiconductor innovation.
What you'll do
- Develop advanced GaN device structures and drive technology development through electrical characterization and data-driven analysis.
- Design and implement PCM test structures.
- Troubleshoot process and device-related issues through PCM data analysis.
- Perform hands-on electrical testing to debug and resolve technical challenges.
- Develop new characterization methodologies to investigate device dynamic behavior.
- Contribute to hands-on device characterization and testing, root-cause investigation, and technology troubleshooting.
What you'll need
- M.S. or Ph.D. in Electrical Engineering, Semiconductor Physics/Engineering, or a related technical field with 3-7 years of experience in semiconductor device development, characterization, or technology engineering.
- Strong understanding of semiconductor device physics and power device operation.
- Experience with GaN or other III-N compound technologies.
- Extensive hands-on laboratory experience performing electrical characterization and device testing.
- Proficiency with semiconductor test equipment, such as parameter analyzers, SMUs/CMUs, curve tracers, oscilloscopes, pulse generators, probe stations.
- Experience analyzing electrical data using Python, JMP, or similar statistical tools.
- Good verbal and written communication skills in English.
Skills: GaN, III-N, device physics, electrical characterization, PCM test structures, power device
This role has been open 0 days — well below the 85-day median for Compound Semiconductor Engineering roles.
Compound Semiconductor Engineering · Compound Semiconductor
|
Open roles in category
56
|
Median days open
85 d
|
Median salary
—
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | Renesas Electronics | All employers we track in this specialty (56 roles · 23 employers) |
|---|---|---|
| Open roles in this specialty | 3 | 56 |
| Median days open | 1 d | 85 d (−84 d vs this employer) |
| Median salary (USD postings) | — | — |
Skills observed across this category: GaN, III-N, device physics, electrical characterization, PCM test structures, power device
Who's hiring in this category
- Infineon Technologies · 8 open roles · median 57 d
- Coherent Corp · 5 open roles · median 108 d
- Lumentum · 5 open roles · median 98 d
- Texas Instruments · 5 open roles · median 24 d
- onsemi · 4 open roles · median 45 d
- Nexperia · 3 open roles · median 105 d
How we counted: 56 open Compound Semiconductor Engineering (Compound Semiconductor) roles from 23 employers tracked in the SemiconductorJobs index, counted 6 Oct 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.