Senior Mechanical Engineer

Introduction to the Job

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 Responsibilities

As 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.

Education and Experience

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.

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:

• 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.

Other Information

• 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.