Optical Sensor Systems Engineer — Precision Metrology

ASML US, LLC; Wilton (CT); On-site; USD 82,000 - 137,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401k plan

Paid time off & holidays

Job summary

ASML US, LLC in Wilton, CT seeks an Optical Sensor Engineer to advance optical sensing tech for semiconductor equipment. You will design, test, and optimize sensor systems, collaborating with optics, software, and electronics teams to improve performance.

Role emphasizes hands-on lab work, data-driven problem solving, and clear communication of results. Strong background in optics, data analysis, and MATLAB/Python is expected.

Qualifications

• Bachelor's degree in physics, optics, EE, ME, CE, or related field plus 2+ years of relevant experience.
• Master's degree in physics, optics, EE, ME, CE, or related field.
• Doctoral degree in physics, optics, EE, ME, CE, or related field.
• Experience with data analysis, signal processing, or scientific software development.
• Hands-on experience with optical system alignment, imaging, detectors, or photonic tech.
• Experience using MATLAB, Python, LabVIEW, or similar tools.
• Strong English communication skills.

Responsibilities

• Design and develop optical sensor systems integrating light sources, detectors, optics, electronics, and software.
• Build, align, test, and troubleshoot optical and photonic systems in lab environments.
• Analyze experimental data to identify issues and improve sensor functionality.
• Develop and execute test plans to investigate 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.
• Communicate technical findings and recommendations clearly to technical and non-technical audiences.

Skills

MATLAB

Python

Data analysis

Optical alignment

Experimentation

Communication

Cross-functional collaboration

English proficiency

Education

Bachelor's degree in physics, optics, electrical engineering, mechanical engineering, chemical engineering, or related field

Master's degree in physics, optics, electrical engineering, mechanical engineering, chemical engineering, or related field

Doctoral degree in physics, optics, electrical engineering, mechanical engineering, chemical engineering, or related field

Tools

LabVIEW

Job description

ASML US, LLC in Wilton, CT seeks an Optical Sensor Engineer to advance optical sensing tech for semiconductor equipment. You will design, test, and optimize sensor systems, collaborating with optics, software, and electronics teams to improve performance.

Role emphasizes hands-on lab work, data-driven problem solving, and clear communication of results. Strong background in optics, data analysis, and MATLAB/Python is expected.