ASML brings together creative minds in science and technology to develop lithography systems. These systems help produce faster, smaller, and more energy-efficient microchips used around the world.
As a Senior Mechanical Engineer in Wilton, Connecticut, you will lead the development of complex mechanical solutions for advanced semiconductor manufacturing equipment. You will work across disciplines to turn technical requirements into reliable, manufacturable designs. Your contributions will support ASML’s mission to advance technology that enables innovations across industries.
Role and ResponsibilitiesAs a Senior Mechanical Engineer, you will lead engineering work from concept through integration and validation. You will influence technical decisions, manage complex project scope, and guide colleagues through engineering challenges.
- Lead mechanical design and development activities for complex products, modules, and subsystems.
- Define requirements, interfaces, specifications, and verification criteria for mechanical solutions.
- Evaluate design options and recommend solutions balancing performance, quality, cost, safety, and manufacturability.
- Coordinate cross-functional engineering activities to support product integration and project milestones.
- Lead testing and validation activities to confirm performance, reliability, and release readiness.
- Identify technical risks, develop mitigation plans, and communicate recommendations to stakeholders.
- Mentor engineers, share technical knowledge, and improve engineering methods and practices.
To qualify for this Senior Mechanical Engineer position, you will need:
- Bachelor’s degree in Mechanical Engineering or a related engineering field.
- Five or more years of experience in mechanical engineering, product development, or complex system design.
- Experience leading technical projects or workstreams within multidisciplinary engineering environments.
- Experience with mechanical computer-aided design software, engineering drawings, and product lifecycle documentation.
- Experience with design analysis, system integration, testing, and validation methods.
- Ability to communicate effectively in spoken and written English.
- Experience mentoring engineers or providing technical guidance is preferred.
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:
- Lead structured problem-solving efforts for complex mechanical engineering challenges.
- Translate technical needs into clear requirements, specifications, and design documentation.
- Make informed engineering decisions in changing or ambiguous situations.
- Collaborate effectively with engineers, suppliers, manufacturing teams, and other stakeholders.
- Communicate complex technical information clearly to different audiences.
- Balance performance, quality, cost, safety, and schedule requirements.
- Manage priorities, risks, dependencies, and commitments with consistent ownership.
- Coach colleagues and support knowledge sharing across engineering teams.
- Seek feedback and continuously improve designs, processes, and working methods.
- Foster an inclusive environment where different perspectives strengthen technical outcomes.
- This is a full-time, regular role based on-site in Wilton, CT.
- Travel may be required up to 10% depending on business needs.
- Routinely required to sit, walk, talk, hear, use hands to keyboard, handle and feel, stoop, kneel, crouch, twist, reach, and stretch.
- Occasionally required to move around campus and lift or move up to 20 pounds.
- Specific vision abilities required include close vision, color vision, peripheral vision, depth perception, and ability to adjust focus.
- There is potential for exposure to strong magnetic fields, high voltage, and currents.
The current base annual salary range for this role is currently:
$109,200-150,150Pay 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.
Inclusion and diversityASML 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.
Need to know more about applying for a job at ASML? Read our frequently asked questions.
Request an AccommodationASML provides reasonable accommodations to applicants for ASML employment and ASML employees with disabilities. 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. 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 [email protected] to initiate the company’s reasonable accommodation process.
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.
Skills Required
- Bachelor's degree in Mechanical Engineering or a related engineering field
- Five or more years of experience in mechanical engineering, product development, or complex system design
- Experience leading technical projects or workstreams within multidisciplinary engineering environments
- Experience with mechanical computer-aided design software, engineering drawings, and product lifecycle documentation
- Experience with design analysis, system integration, testing, and validation methods
- Ability to communicate effectively in spoken and written English
- Experience mentoring engineers or providing technical guidance
ASML Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about ASML and has not been reviewed or approved by ASML.
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Healthcare Strength — Health coverage is broad and employer‑funded to a significant degree, with multiple plan options plus mental health and wellness resources. Complementary offerings like onsite/virtual care, HSA contributions, and a gym subsidy strengthen the overall medical package.
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Parental & Family Support — Family‑forming benefits include paid parental leave, adoption assistance, IVF coverage, and practical supports like lactation rooms and milk‑shipment for travel. These provisions indicate substantial caregiving support across life stages.
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Leave & Time Off Breadth — Paid time off can reach a high ceiling when combining vacation and company holidays, with accruals increasing by tenure. Flexible workplace policies and a vacation sell‑back option add usability to the time‑off program.
ASML Insights
What We Do
ASML is a high-tech company, headquartered in the Netherlands. We manufacture the complex lithography machines that chipmakers use to produce integrated circuits, or computer chips. Over 30 years, we have grown from a small startup into a multinational company with over 60 locations across Europe, Asia and the US. Behind ASML’s innovations are engineers who think ahead. The people who work at our company include some of the most creative minds in physics, electrical engineering, mathematics, chemistry, mechatronics, optics, mechanical engineering, computer science and software engineering. Because ASML spends more than €2 billion per year on R&D, our teams have the freedom, support and resources to experiment, test and push the boundaries of technology. They work in close-knit, multidisciplinary teams, listening to and learning from each other.
