GaN Diffusion Manufacturing Process Engineer (SM1) - Sherman, TX, United States
Originally posted 1 September 2026 by the employer.
About the role
This role involves supporting manufacturing operations and new process development, driving continual improvement, and qualifying new or enhancing existing processes in a ramping-fab environment.
What you'll do
- Support manufacturing operations and new process development.
- Qualify new processes and enhance existing processes to diversify the product portfolio.
- Develop and implement improved manufacturing methods, procedures, and processes for better efficiencies, yields, machine operations, and quality.
- Drive cost-competitive strategies for the thermal process, including chem/gas usage, process stability, and film stack interactions.
- Lead root-cause investigations for excursions or yield issues.
- Identify systematic problems in process or equipment-related sources and communicate findings to engineering staff.
What you'll need
- Bachelor's degree in Chemical Engineering, Chemistry, Electrical Engineering, Materials Science Engineering, Mechanical Engineering, Physics, or a related field.
- 2 years of experience as a Diffusion Process Engineer.
Nice to have
- Experience with GaN-on-Si in a semiconductor environment, including HEMT structures, device physics, and GaN applications.
- Knowledge of Diffusion fundamentals, including dopant activation, concentration profiles, sheet resistance, and thermal budgets.
- Strong experience with process control systems (SPC) and APC (advanced process control), and equipment matching.
Skills: Diffusion, process development, yield issues, GaN-on-Si, thermal process
This role has been open 43 days — well below the 77-day median for Process Engineering roles.
Process Engineering · Semiconductor Process
|
Open roles in category
1041
|
Median days open
77 d
|
Median salary
$139k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | Texas Instruments | All employers we track in this specialty (1041 roles · 57 employers) |
|---|---|---|
| Open roles in this specialty | 53 | 1041 |
| Open roles in the wider Process, Fab & Equipment family | 242 | 9855 · 109 employers |
| Median days open | 49 d | 77 d (−28 d vs this employer) |
| Median salary (USD postings) | — | $139k |
Skills observed across this category: Diffusion, process development, yield issues, GaN-on-Si, thermal process
Who's hiring in this category
- Micron Technology · 358 open roles · median 140 d
- Applied Materials · 79 open roles · median 78 d
- GlobalFoundries · 72 open roles · median 113 d
- Texas Instruments (this employer) · 51 open roles · median 49 d
- STMicroelectronics · 47 open roles · median 49 d
- Entegris · 43 open roles · median 33 d
How we counted: 1041 open Process Engineering (Semiconductor Process) roles from 57 employers tracked in the SemiconductorJobs index, counted 14 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 — it is counted in the wider Process, Fab & Equipment family row. Figures refresh nightly.