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Co-op - Optical Engineer; Internship

Job in Wilton, Fairfield County, Connecticut, 06897, USA
Listing for: ASML
Apprenticeship/Internship position
Listed on 2026-10-31
Job specializations:
  • Engineering
    Electronics Engineer, Systems Engineer, Electrical Engineering, Electronics Technician
Salary/Wage Range or Industry Benchmark: 18 - 48 USD Hourly USD 18.00 48.00 HOUR
Job Description & How to Apply Below
Position: Co-op - Optical Engineer (Internship)

Introduction to the job ASML’s Optical Sensor Group in Wilton CT is seeking a Physicist/Optical Engineer for a Co‑op position (6 to 9 months) to support & develop complex optical / photonic sensor systems used within ASML’s photolithography tools. These systems typically include light sources, detectors, optical / electro‑optical components, fiber optics, electronics and signal processing SW functioning in close collaboration with the rest of the lithography system.

Understanding the components in their relation to the sensor system and understanding the interaction with the rest of the tool is of fundamental importance.

Roles and Responsibilities
  • Using general Physics, Optics, and Software knowledge and an understanding of the sensor systems and tools to de‑bug functionality or performance issues in the optical alignment sensors.
  • Having hands‑on skills of building optical system such as imaging, testing, alignment or detector system.
  • Leadership: the candidate must have the potential to lead executing activities for determining problem root cause, execute complex tests, gather data, and effectively communicate results on different levels of abstraction (from technical colleagues to high level managers).
  • Problem Solving: the candidate should be interested in troubleshooting complex technical problems, develop / debug data signal processing algorithms; develop and execute test plans in order to determine problem root cause.
  • Communications/Teamwork:
    Good communication skills during brainstorm/troubleshooting sessions;
    Good listening skills. Good analytical skills. Draw your own conclusions, based on the input from different stakeholders. Capability to clearly communicate the information on different level of abstraction.
  • Programming:
    The candidate must possess the ability to implement data analysis techniques into functioning MATLAB codes. Optimization skills, GUI building experience, and familiarly with Labview and Python are a plus.
  • This position is located on‑site in Wilton, CT. It requires onsite presence to attend in‑person work‑related events, trainings and meetings and to further ensure teamwork, collaboration and innovation.
  • Must be available for 6 months with the start date being flexible based on Spring or Fall Semester.
Education and Experience
  • Minimum:
    Candidate should be a Master student in Physics, Optics, or other related engineering disciplines.
  • Familiarity with light sources, lasers Data Analysis Python or Matlab.
Compensation

The current base hourly range for this role is currently: $18.00 to $48.00 per hour Pay scales are determined by role, level, location and alignment with market data. Individual pay is determined through interviews and an assessment of several factors that that are unique to each candidate, including but not limited to job‑related skills, relevant education and experience, certifications, abilities of the candidate and pay relative to other team members.

This position may require access to controlled technology, as defined in the Export Administration Regulations (15 C.F.R. § 730, et seq.). Qualified candidates must be legally authorized to access such controlled technology prior to beginning work. Business demands may require the Company to proceed with candidates who are immediately eligible to access controlled technology.

ASML is an Equal Opportunity Employer that values and respects the importance of a diverse and inclusive workforce. It is the policy of the company to recruit, hire, train and promote persons in all job titles without regard to race, color, religion, sex, age, national origin, veteran status, disability, sexual orientation, or gender identity. We recognize that inclusion and diversity is a driving force in the success of our company.

ASML is a leading supplier of lithography equipment, used by the world’s top chipmakers to print microchips that are increasingly powerful, fast and energy efficient. Working at ASML is inspiring, no matter what field you’re in. That’s because we push the boundaries of technology: if it’s moving the world forward, chances are, we’re behind it. In fact, we’re probably a part of the electronic device you’re using right now.

We’re a global team of more than 32,000 people from 122 different nationalities and counting. Headquartered in Europe’s top tech hub, the Brainport Eindhoven region in the Netherlands, our operations are spread across Europe, Asia and the US.

Position Requirements
Less than 1 Year work experience
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