Introduction 

The Competence Team within Global Quality & Excellence (GQE) supports quality improvement across ASML by helping teams solve complex challenges and drive structural improvements. In this Internship, you will investigate issues in the return process of highly sensitive EUV mirrors, which are among the most critical and valuable components within ASML systems. By combining data analysis, stakeholder interviews, and structured problem-solving methods, you will help identify root causes and improve process performance. This internship offers a unique opportunity to work on a business-critical challenge with visibility across multiple departments. As an intern, you will contribute directly to improving quality and operational excellence within ASML. 

Your assignment 

During this Internship, you will become part of a quality investigation team and take ownership of a structured root cause analysis. You will work with experienced quality professionals and stakeholders from different parts of the organization to understand why issues occur in the return flow of EUV mirrors and develop sustainable improvement recommendations. The outcome of your work will support better process performance, quality, and operational reliability. Your main responsibilities will be: 

• Define and structure the problem statement using established problem-solving methodologies 

• Collect, organize, and analyze quantitative and qualitative data 

• Conduct stakeholder interviews to understand current processes and challenges 

• Identify root causes behind recurring issues in the mirror return flow 

• Validate findings using data-driven problem-solving techniques 

• Develop practical recommendations for structural process improvements 

• Present conclusions and improvement proposals to key stakeholders and management 
  
  

This is a bachelor's or master's thesis internship for minimum 5 months, minimum 5 days per week. The start date of this internship is as of February 2027. 

Your profile 

To be suitable for the internship, you: 

• Are pursuing a bachelor's or master's degree in industrial engineering, operations management, technical business administration, or a closely related field 

• Have experience with or knowledge of structured problem-solving methodologies such as Six Sigma, DMAIC, 8D, A3, or similar approaches 

• Are analytical and able to translate data into clear insights and recommendations 

• Are collaborative and communicate effectively with stakeholders from different backgrounds 

• Are proactive and comfortable taking ownership of complex investigations 
  
  

This Internship is particularly suited for students who enjoy solving complex operational challenges, uncovering root causes, and creating sustainable improvements. You will receive coaching from experienced quality professionals while gaining exposure to cross-functional collaboration in a high-tech environment. Through this Internship, you will develop valuable skills in quality improvement, stakeholder management, data analysis, and structured problem solving. If you are looking for an impactful Internship, we encourage you to apply. 

Other requirements you need to meet:

• You are enrolled at an educational institute for the entire duration of the internship, and you are at least 18 years old at the start of the internship;
• If you are a non-EU citizen, studying in the Netherlands, your university is willing to sign the documents relevant for doing an internship (i.e., Nuffic agreement);
• You attach your cover letter with a clear motivation on why you are interested in this internship assignment in particular;
• You need to be located in the Netherlands to be perform your internship. In case you are currently living/studying outside of the Netherlands, your application shows the willingness to relocate.

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.

Do you want to know more about the internship allowance, visa support and applying for an internship at ASML? Read this page.