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At TenneT, you get the opportunity to make real impact as an intern. As a Data Science Intern in our Data Analytics team, you will work alongside data analysts and domain experts, applying data science, AI, and/or computer science techniques to develop solutions that support a reliable and sustainable grid. Are you ready to put your skills into practice and find out where your strengths lie?

Your profile and background

You:

  • Are enrolled in a university master’s programme in Data Science, Computer Science, Artificial Intelligence or a related field.

  • Are analytical, curious, and eager to learn.

  • Are proactive in seeking collaboration and feedback.

  • Are interested in applying your academic knowledge to practical challenges in the energy sector.

Your contribution to TenneT

During your internship, you will work on one of the following projects. Please indicate your preference in your application:

  1. Anomaly Detection – Identifying irregular behaviour in grid operations, sensor data, or communication systems.

  2. Optimization – Supporting grid planning or energy market simulations through mathematical and algorithmic optimization techniques.

  3. Computer Vision – Developing methods to analyze visual data from grid infrastructure (e.g., drone footage or thermal imaging) to support asset inspection, fault detection, or condition monitoring.

You will be supported by the Data Analytics team, where you will have plenty of opportunity to work independently and brainstorm with colleagues.

Our recruiting process

Our offer

Flexibility
Flexibility for better work-life balance
 
We understand that you need flexiblity in order to find the balance between University and work. To organize your work individually, we offer flexible working hours without fixed times and home office options.
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Payment & more
Attractive remuneration and social benefits
 
We offer great benefits such as a salary based on our Collective Labor Agreement, an annual bonus and excellent pension scheme.
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Wellness Balance & Personal Growth
Health - your basis
 
Because we think it is important that you are healthy and feel good, we offer all kinds of great extras: we provide various opportunities to work out via our Always Energy program which offers a wide range of opportunities to indulge in sports (organised training for different sports, competitions and events).
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Technology & Innovation
Modern working environment
  • Modern IT-tools
  • Ergonomic workstations
  • Very well equipped conference rooms and communication solutions that enable cross-location and cross-border collaboration
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This will be our challenge

BTO will drive security of supply, energy transition, organizational and financial health through digital, data and analytics. BTO will secure solid foundations through seamless end-user services (UX), industry-leading cybersecurity setup and resilient data centers and cloud infrastructure. BTO will have consistent business/BTO alignment, strategic partnerships with vendors and clear standards on architecture, vendor & portfolio management and security. BTO will unlock value of data and digital by building all the necessary enablers (incl. data platform, data governance processes, capabilities) and embedding innovation initiatives into business roadmaps.

Additional information

  • A monthly internship allowance of €500 (based on 40 hours per week).

  • Start date: February 1st 2026 for a period of 5 to 10 months, full-time (40 hours per week).

  • Hybrid working: at least 2 days a week at our office in Arnhem.

  • A chance to contribute to the energy transition.

Salary

500 € - 500 €

Diversity

Since we use AI as part of our recruiting process, we would like to create transparency and clarity at this point. The AI serves exclusively as a supporting and recommending tool to make our processes even faster and more efficient. At no time are automated decisions made.
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TenneT is a leading European grid operator. We are committed to providing a secure and reliable supply of electricity 24 hours a day, 365 days a year, while helping to drive the energy transition in our pursuit of a brighter energy future – more sustainable, reliable and affordable than ever before. In our role as the first cross-border Transmission System Operator (TSO) we design, build, maintain and operate over 25,000 kilometres of high-voltage electricity grid in the Netherlands and large parts of Germany, and facilitate the European energy market through our 17 interconnectors to neighbouring countries. We are one of the largest investors in national and international onshore and offshore electricity grids, with a turnover of EUR 9.2 billion and a total asset value of EUR 45 billion. Every day our 8,300 employees take ownership, show courage and make and maintain connections to ensure that the supply and demand of electricity is balanced for over 43 million people.

Lighting the way ahead together