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The Industrial Associates (IA) Program

Job Board

Entry Level Optical Design Engineer


ASML’s YieldStar Sensor Group in Wilton CT is seeking a physicist/engineer with preference to optical engineering to support and develop optical/photonic sensor systems used within ASML’s photolithography tools. These systems typically include light sources, detectors, optical and electro-optical components, fiber optics, electronics and signal processing software functioning as a key sub-system in ASML optical metrology tool. Understanding the components in their relation to the sensor system and understanding the interaction with the rest of the metrology tool and the measurement process is of fundamental importance.

The job description below defines the ideal set of qualifications for the position.

Job Description

Using physics, mathematics, electronics, mechanics, and software knowledge and an understanding of the sensor systems and the lithography tool to model, design and de-bug new and existing sensors in complex environments.

Desired Skills
  •  Optical modeling and data analysis and evaluation:
    • Exposure to design, optical tolerancing and modeling with CodeV and/or Zemax
    • Polarization optics and polarization modeling
    • Optical and physics Simulation in Matlab and other suitable languages and design tools
    • Data processing and trending with Matlab
  • And/or hands-on optical alignment, testing and qualification:
    • Building and aligning optical systems using diverse mechanical, collimation and interferometry
    • Test stand design and build: concept, error budget, realization
    • Optical sensors Hardware build and debugging
    • Working knowledge with diverse optical devices and sensors: objectives, collimation and relay optics, fibers, cameras and detectors
    • Matlab for data processing, correlation and trending, and visualization
  • Problem Solving—the candidate must have skills in  troubleshooting optical systems
  • Communication—clear communication of technical info is required


Minimum BS in optics (preferred) physics (MS preferred), applied mathematics, electrical engineering or other engineering discipline, with an emphasis on optical system, photonics and data analysis and trending. Dual degree in a second engineering discipline a plus.


Personal Skills

Candidate must:

  • Be able to break down complex problems with limited data to come to solutions – strong critical thinking capability
  • Have strong written and oral communication skills and a commitment to achieving results while under time constraints
  • Have high energy, high level of dedication
  • Be willing to jump in on new issues, get to the bottom of the causes and propose practical solutions
  • Be able to interface with multidisciplinary groups and work effectively in a team and be willing to take on responsibility, follow through and keep multiple simultaneous assignments on schedule
  • Be able to quickly acquire technical knowledge from documentation and on-the-job training and be capable of thoroughly investigating technical issues (analytically and hands-on in a lab)