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Internship | PFAS Free Firefighting Foam

Posted 28 Oct 2026
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Work experience
0 to 2 years
Full-time / part-time
Full-time
Job function
Salary
€615 per month
Degree level
Required language
English (Fluent)
Deadline
13 November 2026

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Internship | PFAS Free Firefighting Foam
Make your mark in our time. Become an intern at TNO!

  • Location: Eindhoven
  • Working remotely: Hybrid
  • Education level: Master
  • Hours per week: 32-40 hours/week

About this position

Pollution of the environment with per- and polyfluoroalkyl substances (PFAS) is a significant concern, which has grown considerably in recent years. PFAS compounds are persistent and will accumulate in micro-organisms, in animals and humans. Many of these materials will be banned or severely restricted by the government in the future, but TNO already has performed research for several years to find PFAS-free solutions.

What will be your role?

In this project, we are developing a PFAS-free firefighting foam, and you will learn about the physical / chemical process of firefighting. Your work consists of developing firefighting formulations and testing their firefighting properties. Physical and chemical analyses are also part of your work such as TGA, SEM, rheology surface tension, and more. You will help us understand the complex behaviour that results from combining nanomaterials, polymers, and surfactants in a foam. The experiments will be designed based on prior research and combined with the innovative nanomaterials technology of TNO. The internship will last for at least 4 months, and longer durations are possible if preferred by the candidate.

What we expect from you

  • You are a proactive, pragmatic, and independent HBO or university student, preferably at the Master's level, with a background in Chemistry or Chemical Engineering.
  • You have knowledge of and affinity with physical chemistry.
  • You have a practical, hands-on mindset.
  • Experience with polymers and rheology is considered an advantage.
  • You possess strong communication skills in English, particularly when presenting your work and writing reports.

Depending on your university's requirements, this project can be combined with a Master's thesis project.

What you'll get in return

An internship at TNO means working in an environment where substance and impact are central. You will become part of a knowledge organisation where research and practice come together, and where experts collaborate on solutions to current societal and technological challenges.

Your internship is a period in which you can discover what suits you, where your strengths lie and what you would like to learn next. You are part of a professional working environment, gain insight into how things work in practice, and have the opportunity to build experience that goes beyond this internship alone. For many students, an internship is therefore also a first step in discovering whether TNO could be a potential next step after graduation.

In addition, we offer you:

  • A professional and innovative internship environment in which you actively contribute to societal and technological challenges, working alongside leading experts in your field.
  • Personal and dedicated supervision, with focus on your learning objectives, development and study assignment.
  • Room to develop: you gain relevant work experience, develop both your subject-specific and professional skills, and build a valuable network.
  • Use of a laptop and the facilities you need to perform your work effectively.
  • A monthly internship allowance of € 615 for a full-time internship, for MSc, BSc and vocational education (MBO) students.
  • Up to eight hours of leave per internship month for a full-time internship, allowing you to balance your internship with your studies and personal life.
  • A contribution towards travel expenses if you are not entitled to a student travel card.
  • A free membership to Jong TNO: the network for young colleagues, where you can meet other TNO colleagues and participate in sports activities, professional and personal development activities, and social events such as the annual ski trip.

TNO as an employer

Our people are at the heart of TNO. Their curiosity, expertise and entrepreneurial mindset make it possible to deliver high-impact research and innovations that contribute to society’s sustainable wellbeing and prosperity.

Your talent and ambition have every opportunity to flourish at TNO. You work with experts (both within and beyond TNO), have access to advanced technology and the freedom to explore, experiment and innovate. Our strength lies in independence, reliability and collaboration. We find each other in wonder and ingenuity. We are driven to push boundaries. By working with businesses and government, and by connecting different perspectives, we strengthen our innovative capability and create responsible, meaningful results.

Important to know before starting the internship

  • Before the start of the internship, an internship agreement must be signed. For students enrolled at a Dutch university or university of applied sciences, TNO uses the UNL-template, supplemented with several TNO-specific agreements. For students from foreign educational institutions and MBO (secondary vocational education) programmes, the TNO internship agreement applies. TNO does not sign any other internship agreements.
  • Before the start of the internship, the educational institution will need to confirm in writing that:
    • you are enrolled at the educational institution for the duration of the internship; and
    • the internship forms part of your study programme.
  • The confirmation of educational institution takes place by signing the UNL template or forms prepared by TNO.
  • Interns at TNO must have a registered residential address in the Netherlands at the start of the internship. Carrying out internship activities from abroad is not possible.
  • Are you an international student? Please note that you must have a BSN (Dutch citizen service number) before the start of your internship. Applying for a BSN can take several weeks, so make sure to start this process well in advance.
  • If you start an internship with us, we will also ask you to provide a Certificate of Conduct (VOG).

Innovation with purpose: that is what TNO stands for. We develop knowledge not for its own sake, but for practical application. TNO connects people and knowledge to create innovations that boost the competitive strength of industry and the well-being of society in a sustainable way.

Management Consulting
Den Haag
3,300 employees