Optical Sensor Engineer - Wilton, CT, United States
$93,750 - $137,000 USD yearly
Originally posted 7 October 2026 by the employer.
About the role
This role focuses on developing and improving optical sensing solutions for precise wafer positioning and measurement in semiconductor manufacturing systems.
What you'll do
- Design and develop optical sensor systems integrating light sources, detectors, optical components, electronics, and software.
- Build, align, test, and troubleshoot optical and photonic systems in laboratory environments.
- Analyze experimental and system performance data to identify issues and improve sensor functionality.
- Develop and execute test plans to investigate technical problems and determine root causes.
- Implement and refine data analysis tools using MATLAB and Python.
- Collaborate with engineers across optics, software, electronics, and system integration disciplines.
What you'll need
- Bachelor’s degree in physics, optics, electrical engineering, mechanical engineering, chemical engineering, or a related field, plus 2 or more years of relevant experience.
- Master’s degree in physics, optics, electrical engineering, mechanical engineering, chemical engineering, or a related field.
- Doctoral degree in physics, optics, electrical engineering, mechanical engineering, chemical engineering, or a related field.
Nice to have
- Experience with data analysis, signal processing, or scientific software development.
- Hands-on experience with optical system alignment, imaging systems, detectors, or photonic technologies.
- Experience using MATLAB, Python, LabVIEW, or similar engineering tools.
- Experience conducting laboratory testing and interpreting experimental results.
This role has been open 3 days — well below the 50-day median for Hardware Systems Engineering roles.
Hardware Systems Engineering · AI ML Hardware
|
Open roles in category
940
|
Median days open
50 d
|
Median salary
$158k
|
See the full market breakdown ▾Category comparison, and who else is hiring
| Metric | ASML | All employers we track in this specialty (940 roles · 103 employers) |
|---|---|---|
| Open roles in this specialty | 35 | 940 |
| Open roles in the wider Software, Firmware & Systems family | 62 | 6025 · 146 employers |
| Median days open | 25 d | 50 d (−25 d vs this employer) |
| Median salary (USD postings) | — | $158k |
Who's hiring in this category
- Intel Corporation · 70 open roles · median 30 d
- KLA Corporation · 59 open roles · median 39 d
- Applied Materials · 50 open roles · median 59 d
- NVIDIA · 49 open roles · median 65 d
- Teradyne · 48 open roles · median 23 d
- AMD · 43 open roles · median 59 d
How we counted: 940 open Hardware Systems Engineering (AI ML Hardware) roles from 103 employers tracked in the SemiconductorJobs index, counted 11 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 Software, Firmware & Systems family row. Figures refresh nightly.