Internship - Design Engineer

ASML; Wilton (CT); On-site; USD 25,000 - 66,000; Full time

Job summary

ASML US in Wilton, CT is seeking a Summer Intern to work alongside Senior Engineers on CAD, analysis, and testing of mechanical subsystems. This on-site role runs for 12 weeks with sessions starting 6/2/2027 or 6/14/2027, and offers hands-on experience in design, manufacturing and assembly, along with exposure to tolerance analysis and qualification activities.

You should be pursuing a design-related degree with CAD experience and a passion for precision engineering in a world-class

Qualifications

• Minimum 2 years in college (Design related).
• Experience with CAD.
• Experience with designing, manufacturing and building components / assembles.
• Experience with additive and subtractive machining.

Responsibilities

• Develop mechanical concepts, precision motion solutions, structural architectures, and subsystem designs that meet performance, reliability, manufacturability, serviceability, cost, and schedule objectives.
• Assist with engineering analyses, including tolerance stack-ups and structural analyses
• Support design qualification activities
• Support root-cause analysis and structured problem solving for technical issues using data-driven methods

Skills

CAD

Mechanical design

Data analysis

Technical communication

Root cause analysis

Education

Design-related college coursework

Job description

Introduction to the job

ASML US, including its affiliates and subsidiaries, bring together the most creative minds in science and technology to develop lithography machines that are key to producing faster, cheaper, more energy-efficient microchips. We design, develop, integrate, market and service these advanced machines, which enable our customers - the world’s leading chipmakers - to reduce the size and increase the functionality of their microchips, which in turn leads to smaller, more powerful consumer electronics. Our headquarters are in Veldhoven, Netherlands, and we have 18 office locations around the United States including main offices in Chandler, Arizona, San Jose and San Diego, California, Wilton, Connecticut, and Hillsboro, Oregon.

Introduction to the job

ASML US, including its affiliates and subsidiaries, bring together the most creative minds in science and technology to develop lithography machines that are key to producing faster, cheaper, more energy-efficient microchips. We design, develop, integrate, market and service these advanced machines, which enable our customers - the world’s leading chipmakers - to reduce the size and increase the functionality of their microchips, which in turn leads to smaller, more powerful consumer electronics. Our headquarters are in Veldhoven, Netherlands, and we have 18 office locations around the United States including main offices in Chandler, Arizona, San Jose and San Diego, California, Wilton, Connecticut, and Hillsboro, Oregon.

Founded in 1984, ASML is the world’s leading provider of lithography systems for the semiconductor industry, manufacturing complex machines that are critical to the production of integrated circuits or microchips. The mission of the Mechanical Development department is to design and develop the complex mechanics for these machines, which are some of the highest precision products ever produced in the world. This position is based on-site in Wilton, CT, which has both R&D and manufacturing operations. We design and produce multiple sub-system modules that are shipped to our headquarters in Veldhoven, The Netherlands where they are integrated into the full lithography machine.

Role and responsibilities

As a Summer Intern, you will work along side Senior Engineers and assist in day to day duties such as CAD, analysis, and testing.

This position is located on-site in Wilton, CT. It requires onsite presence to attend in-person work-related events, trainings and meetings and to further ensure teamwork, collaboration and innovation. Must be available for 12 weeks for one of these sessions starting with the following dates: 6/2/2027 or 6/14/2027.

Roles and Responsibilities

• Help developing mechanical concepts, precision motion solutions, structural architectures, and subsystem designs that meet performance, reliability, manufacturability, serviceability, cost, and schedule objectives.
• Assist with engineering analyses, including tolerance stack-ups and structural analyses
• Support design qualification activities
• Support root-cause analysis and structured problem solving for technical issues using data-driven methods

Education & Experience

• Minimum 2 years in college (Design related)
• Experience with CAD
• Experience with designing, manufacturing and building components / assembles
• Experience with additive and subtractive machining

Skills

Technical & Functional Skills

• Understanding of fundamental mechanical engineering principles, including forces and moments, load paths, stress and strain, stiffness, statics, and dynamics.
• Ability to test innovative engineering concepts and convert them into manufacturable designs.
• Ability to define and execute qualification strategies, validation plans, and performance testing to support product release readiness.
• Technical problem-solving skills using structured methods such as 8D, Fishbone, FMEA, Fault Tree Analysis, and Root Cause Corrective Action (RCCA).
• Ability to interpret experimental data, identify trends, and make sound engineering decisions under uncertainty.
• Analytical and presentation skills with the ability to communicate technical topics to technical and non-technical audiences.

Behavioral & Leadership Skills

• Ability to understand personal strengths and development areas, actively seek feedback, adapt behaviors, and continuously improve technical and leadership effectiveness.
• Communicates clearly, concisely, and professionally through technical documentation, presentations, and reviews.
• Maintains strong focus on customer value, product quality, reliability, serviceability, and operational excellence.

Other

• This position is located on-site and requires close collaboration with multidisciplinary engineering teams, laboratories, manufacturing teams, and cleanroom operations.
• Ability to work effectively in laboratory, integration, manufacturing, and cleanroom environments.
• Commitment to maintaining the highest standards of product quality, safety, and engineering rigor.

The current base hourly range for this role is currently:

$18.00 to $48.00 per hour

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

This position may require access to controlled technology, as defined in the 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 the Company 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.

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