Optical Design Engineer Position Sensors

Research & development

Optical engineering

Mechanical engineering

In a nutshell


Veldhoven, Netherlands


Research & development

Work Experience

3-7 years

Job Category

Optical engineering, Mechanical engineering



Job ID: J-00271775-055

Introduction to the job

Sub-nanometer positioning of the wafer stage and the reticle stage in our ASML machines is enabled by stage position sensors. We are looking for an optical designer who can contribute to the realization of these sensors. The Stage Position Measurement (SPM) department within the sector Development & Engineering (D&E) is responsible for interferometer and encoder based position measurement systems for, a.o., wafer stages and reticle stages.

Role and responsibilities

We're searching for an experienced engineer to help us with the optical design of an interferometer. As a design engineer you’ll be:

• Analyzing optical designs with ray tracing
• Specifying and contributing to optomechanical interfaces
• Discussing specifications with optical and mechanical suppliers
• Building measurement setups, improving them and analyzing test results
• Specifying calibration, performance and diagnostics tests
• Integrating the optical, mechanical, electronical and software components on a test setup or in a shippable machine
• Contributing to the the system requirements of our measurement system, taking into account requirements for dynamics, control, accuracy, throughput, availability, etc.
• Coaching junior team members

Education and experience

University, Master in Physics or Mechanical Engineering

•Experience with optical sensor development or more specifically interferometers
•Strong in mathematics
•Experience with ray tracing, tolerance analysis, optomechanics
•Experience with matlab for data analysis and simulation


Working at the cutting edge of tech, you’ll always have new challenges and new problems to solve – and working together is the only way to do that. You won’t work in a silo. Instead, you’ll be part of a creative, dynamic work environment where you’ll collaborate with supportive colleagues. There is always space for creative and unique points of view. You’ll have the flexibility and trust to choose how best to tackle tasks and solve problems.
To thrive in this job, you’ll need the following skills:

•Team player
•Pragmatic with result oriented attitude
•Takes the initiative
•Good communication and stakeholder management skills
•Excellent command of English language
•Can adapt quickly to changing scope and/or circumstances

Diversity & Inclusion

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 diversity and inclusion is a driving force in the success of our company.

Other information

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