Optical Sensor Design Engineer
- Pay
- $93,750 – $137,000 per year
- Location
- Wilton, CT
- Job type
- Full-time
- Level
- Mid-level
- Experience
- 2+ years
- Education
- Bachelor's degree
- Listed
- 29 days ago
Skills & highlights for this role
- optical system design
- MATLAB
- alignment and testing of optical systems
Also useful
- Python
- LabVIEW
About the role
Introduction to the Job As an Optical Sensor Design Engineer, you will help develop precision technologies that support advanced semiconductor manufacturing. Your work will contribute to the optical alignment systems inside ASML's lithography machines. Based in Wilton, Connecticut, you will join the Wafer Alignment Sensor department. You will design, build, test, and integrate complex optical and photonic sensor systems.
These systems combine light sources, detectors, fiber optics, electronics, and signal-processing software. Role and Responsibilities As an Optical Sensor Design Engineer, you will lead complex technical work and own module-level design activities. You will collaborate with engineers across several disciplines to deliver reliable sensor solutions. Design, develop, build, and integrate optical alignment sensor systems.
Build and align imaging, detector, fiber-optic, and other optical systems. Analyze test data to evaluate sensor performance and identify technical issues. Lead root-cause investigations, complex testing, and technical troubleshooting activities. Develop, test, and improve signal-processing algorithms and analysis methods. Coordinate technical work across software, electronics, manufacturing, and equipment engineering teams.
Communicate technical findings clearly to engineering teams, customers, suppliers, and leaders. Education and Experience A bachelor's degree in physics, optics, optical engineering, electrical engineering, or a related technical field. At least two years of relevant engineering experience, including applicable graduate research. A master's degree in a related technical field is preferred.
Hands-on experience building, testing, aligning, or troubleshooting optical systems. Experience using MATLAB for data processing, analysis, or algorithm development. Familiarity with Python or LabVIEW is preferred. Experience working autonomously on complex technical assignments. Strong written and verbal English communication skills.
Skills 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: Apply analytical thinking to complex optical and system-level problems. Collaborate effectively with colleagues from different technical disciplines. Translate data and stakeholder input into clear, evidence-based conclusions.
Communicate technical information for both engineering and nontechnical audiences. Take ownership of assignments and follow through on commitments. Adapt priorities while maintaining accuracy, quality, and attention to detail. Identify technical bottlenecks and recommend practical improvements. Listen actively and contribute constructively during design and troubleshooting discussions.
Other Information This position is located on-site in Wilton, CT. Working under ISO 9000/14000 standards The environment in the cleanroom is moderate in temperature with moderate to high noise level Working around lasers; working with ladders; working on platforms; and working around chemicals The current base annual salary range for this role is currently: $93,750 - $137,000 Additional
Pay and benefits
There is potential for exposure to strong magnetic fields, high voltage and currents. The current base annual salary range for this role is currently: $0-0 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. The Company offers employees and their families, medical, dental, vision, and basic life insurance.
Employees are able to participate in the Company's 401k plan. Employees will also receive eight (8) hours of vacation leave every month and (13) paid holidays throughout the calendar year. For more information, please contact the Recruiter or click on this link Compensation & Benefits in the US. All new ASML jobs have a minimum application deadline of 10 days.
This position requires access to controlled technology, as defined in the United States 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 ASML to proceed with candidates who are immediately eligible to access controlled technology.
We recognize that inclusion and diversity is a driving force in the success of our company. Need to know more about applying for a job at ASML? Read our frequently asked questions. An accommodation is a change in work rules, facilities, or conditions which enable an individual with a disability to apply for a job, perform the essential functions of a job, and/or enjoy equal access to the benefits and privileges of employment.
Please note: This email address is solely intended to provide a method for applicants to initiate ASML's process to request accommodation(s). Any recruitment questions should be directed to the designated Talent Acquisition member for the position.
Equal opportunity and legal notices
It requires onsite presence to attend in-person work-related events, trainings and meetings and to further ensure teamwork, collaboration and innovation A flexible workplace arrangement may be available to employees working in roles conducive to remote work (up to 2 days a week) Role within Office Essential Job Functions The essential job functions for this position include, but are not limited to: Work in a fast-paced office environment, including working in a standing or seated position for long periods sometimes exceeding 8 hours per day, 5 days per week Commute to ASML's facility and report to work on a regular and timely basis and complete the scheduled workday on a consistent basis Routinely required to sit; walk; talk; hear; use hands to finger, handle and feel; stoop, kneel, crouch, twist, reach and stretch Occasionally required to move around the campus Perform office tasks using simple hand grasping, fine hand manipulation and reach associated with assigned tasks such as paperwork, computer keyboarding (e.g. Word, Excel, PowerPoint), filing, calculating and use of telephone or other handheld electronic devices, continuously sometimes exceeding 8 hours per day, 5 days per week Have a sufficient ability to communicate, through sight, hearing and/or otherwise, to perform assigned tasks and maintain proper job safety conditions Occasionally lift and/or move up to 20 pounds Specific vision abilities required by this job include close vision, color vision, peripheral vision, depth perception and ability to adjust focus Perform other functions that may be assigned Additional Responsibilities (as needed in the cleanroom and/or labs): The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job, reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions Must be willing to work in a clean room environment, wearing coveralls, hoods, booties, safety glasses and gloves.
Inclusion and diversity 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.
Request an Accommodation ASML provides reasonable accommodations to applicants for ASML employment and ASML employees with disabilities. If you are in need of an accommodation to complete an application, participate in an interview, or otherwise participate in the employee pre-selection process, please send an email to to initiate the company's reasonable accommodation process.
From ASML's careers page, first listed on Rolev.ai on October 11, 2026. Rolev.ai is not the employer.
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Common questions
What is the salary for the Optical Sensor Design Engineer role at ASML?
The Optical Sensor Design Engineer posting at ASML states compensation of $93,750 – $137,000 per year. It is listed as a full-time position. Final pay may depend on location, experience, and interview evaluation on ASML's official career site.
Where is the Optical Sensor Design Engineer job at ASML located?
This Optical Sensor Design Engineer position at ASML is located in Wilton, CT. Always check ASML's application page for specific state eligibility or relocation policies.
What qualifications are required for Optical Sensor Design Engineer at ASML?
For the Optical Sensor Design Engineer role, ASML highlights 2+ years of relevant experience; a bachelor's degree; experience with optical system design, MATLAB, alignment and testing of optical systems. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.
How do I apply for the Optical Sensor Design Engineer position at ASML?
This listing links directly to ASML's Workday application page. You can apply directly on ASML's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Workday application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.