Mechanical Engineer

ASML US, LLC; Wilton (CT); On-site; USD 90,000 - 130,000; Full time

Job summary

ASML US, LLC in Wilton, CT seeks a Mechanical Engineer to specify, design, develop, realize, integrate, and test modules and tools in collaboration with cross-functional teams and suppliers. You will deliver solutions within system specifications, cost targets, and project schedules while ensuring reliability and serviceability.

The role targets ownership of complex designs, integration across teams, and driving qualifications and documentation to support product releases.

Qualifications

• Bachelor's degree in a technical field; 2+ years of solid engineering experience; MS or PhD preferred for higher roles.

Responsibilities

• Contribute to mechanical engineering deliverables from defined tasks to complex scope.
• Identify, analyze, and manage requirements with traceability.
• Develop concepts meeting functionality, performance, cost, and schedule constraints.
• Define specifications, interfaces, and technical documentation for reviews and downstream execution.
• Coordinate dependencies to enable smooth project execution and system integration.
• Define and execute validation and test approaches to support release readiness.
• Estimate effort, plan work, manage risks and deliver assigned packages on time.
• Coach and mentor colleagues as applicable to job grade and scope.
• Follow EHS policies and proactively identify and mitigate safety risks.

Skills

Requirements management

Mechanical design

Integration & verification

Education

BS degree in technical field

MS or PhD preferred

Job description

Introduction to the Job

ASML brings together the most creative minds in science and technology to develop lithography machines that are key to producing faster, smaller, and more energy-efficient microchips. We design, develop, integrate, market, and service advanced systems used by customers around the world.

As a Mechanical Engineer in Wilton, you will specify, design, develop, realize, integrate, and test modules and tools in close collaboration with cross-functional partners and suppliers. You will deliver solutions within system specifications, cost targets, and project schedules while helping ensure ASML products are competitive, achievable, serviceable, and reliable.

Scope / Level of Impact

JG07

Leads complex technical design work within a discipline or owns a module-level area requiring input from multiple engineers. Works autonomously on complex assignments and interfaces with suppliers or customers as part of a broader team.

JG08

Leads development of complex parts of modules, owns technically complex solutions, considers industrialization and cross-team impact, and may guide a small group of peers through technical execution.

JG09

Takes full technical ownership of multiple complex designs end-to-end, manages system impacts and cross-functional dependencies, and drives solutions through significant technical uncertainty.

Role and Responsibilities

In this role, you will contribute to mechanical engineering deliverables that scale with job grade, from executing defined engineering tasks and supporting senior engineers to owning complex technical scope, coordinating cross-functional work, and leading program-level outcomes.

• Identify, analyze, document, and manage requirements with traceability, including verification criteria to confirm deliverables meet design intent.
• Conduct research, feasibility studies, and technical tradeoff analysis to support engineering recommendations and decision-making.
• Develop mechanical engineering concepts and solutions that meet functionality, performance, cost, compliance, and schedule requirements.
• Define and communicate specifications, high-level designs, interfaces, and technical documentation to support reviews, approvals, and downstream execution.
• Support system and product integration by coordinating dependencies, applying configuration management, and enabling smooth project execution.
• Define and execute validation and test approaches, improve methods and procedures, and ensure qualification evidence supports release readiness.
• Estimate effort, plan and track work, manage risks and dependencies, and deliver assigned work packages or projects to agreed quality and timelines.
• Share knowledge through coaching, mentoring, and collaboration as applicable to the job grade and scope of responsibility.
• Follow EHS policies and proactively identify, communicate, and mitigate safety risks.

Education and Experience

Minimum education and experience expectations vary by job grade. A bachelor's degree in a relevant technical field is required. A master's degree or PhD is preferred depending on role scope, technical depth, and business need.

• JG07: BS degree in a technical field and 2+ years of solid experience; MS preferred.
• JG08: BS degree in a technical field and 5+ years of thorough experience; MS or PhD preferred.
• JG09: BS degree in a technical field and 8+ years of substantial experience; MS or PhD preferred.

Skills

Technical and Functional Skills

• Requirements, interfaces, and technical specification management: Ability to identify, analyze, document, and manage requirements with traceability, translate them into clear specifications, and align interfaces to support reliable design, integration, and verification.
• Mechanical engineering solution development: Ability to develop engineering concepts and solutions, make sound technical tradeoffs, resolve issues, and realize designs that meet functionality, performance, cost, compliance, and schedule constraints.
• Integration, verification, and validation: Ability to plan and execute verification and validation activities, ensure qualification evidence supports release readiness, and support system/product integration through disciplined configuration and traceability.

Behavioral and Leadership Skills

• Drives results: Translates technical goals into clear priorities and delivers committed outcomes with quality and ownership.
• Collaborates and communicates effectively: Works across disciplines, suppliers, and stakeholders to align expectations and resolve issues.
• Demonstrates self-awareness: Seeks and applies feedback, adapts approach, and improves collaboration in complex or ambiguous environments.
• Values differences: Respects and integrates diverse perspectives to strengthen decision quality and inclusive execution.
• Builds effective teams: Establishes clear goals, roles, accountability, and ways of working while coaching others as applicable.
• Drives vision and purpose: Connects technical direction to business priorities and helps teams stay focused through ambiguity and change.

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.

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

Request an Accommodation

ASML 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.

Additional Responsibilities:

There is potential for exposure to strong magnetic fields, high voltage and currents.

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