Litho Module Engineer - Hopewell Junction, NY, United States
$65,800 - $102,100 USD yearly
Originally posted 18 September 2026 by the employer.
About the role
This role involves supporting the manufacturing of 300mm silicon wafers, with a focus on photolithography processes and equipment.
What you'll do
- Own and support lithography track processes and associated equipment health.
- Support TEL Track systems, including ACT, LITHIUS, Pro, and related platforms.
- Execute process experiments and DOE studies to improve process capability, yield, throughput, and cost.
- Collect, analyze, and present process data using statistical techniques and engineering methodologies.
- Monitor critical process metrics including defectivity, critical dimension (CD), overlay, focus, and exposure performance.
- Investigate process excursions and support root cause analysis activities.
- Provide daily process support and product lot disposition for lithography operations.
What you'll need
- Bachelor's Degree in Electrical Engineering, Chemical Engineering, Materials Science, Physics, Semiconductor Engineering, or a related technical discipline.
- 0 to 3 years of semiconductor manufacturing experience.
- Fundamental understanding of semiconductor lithography processes and manufacturing operations.
- Knowledge of Photoresist coating and development, Soft bake and post-exposure bake processes, Critical Dimension (CD) control, Defect reduction methodologies, Exposure and focus optimization, and Overlay control.
- Experience with Statistical Process Control (SPC), DOE methodology, Root Cause Analysis, Yield analysis, and data analysis using Excel, JMP, Minitab, or similar tools.
- Strong analytical and troubleshooting capabilities.
Nice to have
- Internship, co-op, research, or industry experience in semiconductor processing.
- Experience working in a cleanroom environment.
- Exposure to lithography, thin films, etch, diffusion, or other semiconductor process modules.
- Experience working with TEL (Tokyo Electron) Track Systems, including ACT, LITHIUS, Pro, or related platforms.
- Experience supporting semiconductor manufacturing or process development activities.
- Familiarity with wafer handling, contamination control, and cleanroom protocols.
- Master's Degree in Engineering, Materials Science, Physics, or a related technical discipline.
- Experience supporting automotive, power semiconductor, or image sensor technologies.
This role has been open 4 days — well below the 47-day median for Hardware Systems Engineering roles.
Hardware Systems Engineering · AI ML Hardware
|
Open roles in category
831
|
Median days open
47 d
|
Median salary
$159k
|
See the full market breakdown ▾Category comparison, and who else is hiring
| Metric | onsemi | All employers we track in this specialty (831 roles · 101 employers) |
|---|---|---|
| Open roles in this specialty | 20 | 831 |
| Open roles in the wider Software, Firmware & Systems family | 32 | 5879 · 143 employers |
| Median days open | 53 d | 47 d (+6 d vs this employer) |
| Median salary (USD postings) | — | $159k |
Who's hiring in this category
- Intel Corporation · 55 open roles · median 25 d
- NVIDIA · 54 open roles · median 51 d
- KLA Corporation · 48 open roles · median 39 d
- AMD · 45 open roles · median 50 d
- Applied Materials · 42 open roles · median 59 d
- Teradyne · 42 open roles · median 53 d
How we counted: 831 open Hardware Systems Engineering (AI ML Hardware) roles from 101 employers tracked in the SemiconductorJobs index, counted 23 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 — it is counted in the wider Software, Firmware & Systems family row. Figures refresh nightly.