Optical Sensor Engineer

As an Optical Sensor Engineer, you will help develop the technology behind some of the world’s most advanced semiconductor manufacturing systems. Your work will support the optical sensing solutions that enable precise wafer positioning and measurement, helping chipmakers produce faster, smaller, and more energy-efficient microchips. At ASML in Wilton, Connecticut, you will collaborate with multidisciplinary teams to design, build, test, and improve sophisticated optical sensor systems.

As an Optical Sensor Engineer, you will contribute directly to technology that powers innovation across consumer electronics, healthcare, automotive, and communications industries.

• Design and develop optical sensor systems that integrate 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.
• Communicate technical findings and recommendations clearly to both technical and non-technical audiences.

• 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.

• 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.
• Strong written and verbal communication skills in English.

• Apply strong analytical and problem-solving skills to complex technical challenges.
• Collaborate effectively with cross-functional teams and diverse stakeholders.
• Communicate technical concepts clearly in both written and verbal formats.
• Demonstrate curiosity and a continuous learning mindset.
• Interpret experimental data and translate findings into actionable recommendations.
• Manage multiple priorities in a dynamic engineering environment.
• Take ownership of assignments and follow through on commitments.
• Identify opportunities for process, performance, and design improvements.
• Build positive working relationships based on trust and respect.
• Maintain attention to detail while working with complex systems.

This position is located on-site in Wilton, CT and requires regular in-person collaboration, laboratory work, training activities, and participation in team meetings. A flexible workplace arrangement may be available for eligible activities, with up to two remote workdays per week. The role may require domestic and international travel based on business needs. You may work in laboratory and cleanroom environments while wearing required protective equipment, including coveralls, gloves, safety glasses, hood coverings, and booties.

The current base annual salary range for this role is currently: $93,750 - $137,000

The current base annual salary range for this role is currently: $0-0

Pay scales are determined by role,…