International Traineeship

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The International Traineeship

Are you a recent graduate excited to start your career in the rapidly growing energy sector? TenneT's 18-month traineeship offers you the opportunity to play a key role in the energy transition.

The International Traineeship

Your traineeship at TenneT

As a trainee at TenneT, you'll be in an excellent position to contribute to one of the key companies driving the energy transition. Over the course of 1.5 years, you'll discover your talents while working on real and current challenges. Gain hands-on experience across different departments during our traineeship. With tailored development plans, job rotations, and innovative projects, you'll learn how to combine responsibility with growth in a company that plays a vital role in Europe's energy landscape.

• Choose your own assignment
• Work full-time at TenneT
• Work in a hybrid setup across different locations

The vacancies will be published on November 19.

The five divisions of TenneT

Building the energy future

TenneT's field of work is vast. That's why, in our International Traineeship, you can explore explore aspects of our company, each with their own focus and impact on the energy transition. What drives your curiosity? You decide what suits you best.

You can apply to one of five divisions: Design, Offshore, Onshore, Operate, Digital & Technology Transformation. If you apply to more than one division, we will only consider your first application.

Design

As an International Trainee in TenneT's Design Division , you will help shape the energy system of the future. The Design division defines TenneT's corporate strategy and translates it into integrated, future-proof vision for our electricity system: onshore and offshore. Next to that we facilitate the functioning of electricity markets. Working closely with our customers and stakeholders, we explore future scenarios, anticipate developments, and create the framework that enables the energy transition. In doing so, we ensure that the system we design today will meet the challenges of tomorrow.

Onshore

As an International Trainee in TenneT's Onshore Division, you will help strengthen and expand the high-voltage grid that powers millions of homes and businesses. Onshore plays a crucial role in ensuring that the electricity system remains reliable, resilient, and ready for the future. You'll contribute to projects that reinforce existing infrastructure, connect new energy sources, and prepare the grid for the growing demands of the energy transition. Every new station and connection you help realise brings us closer to a sustainable energy system.

Offshore

As an International Trainee in TenneT's Offshore Division, you will help connect massive offshore wind farms to the onshore grid, a key step toward a clean energy future. Offshore is where innovation meets impact: we design, build, and operate the high-voltage connections that bring renewable energy from the sea to millions of households. You'll be part of international teams delivering complex projects that expand Europe's offshore grid and make the energy transition a reality. Every new cable and hub you help create brings us closer to a climate-neutral future.

Operate

As an International Trainee in TenneT's Operate Division , you'll be part of the team that keeps the lights on - 24/7. The Operate division ensures that our high-voltage grid remains stable, secure, and compliant, safeguarding power, voltage, frequency, and stability limits at all times. The division is responsible for real-time system operation - continuously monitoring, balancing, and controlling electricity flows to keep supply and demand in balance.

Digital & Technology Transformation

As an International Trainee in TenneT's Digital & Technology Transformation (DTT) Division , you will help design and operate the digital backbone of the energy transition. DTT manages and develops TenneT's digital landscape, delivering high-quality, innovative IT solutions. In addition this unit provides insights by providing digital innovation, data analytics and AI capabilities, enabling smarter decisions and accelerating TenneT's digital transformation.

The three pillars of your traineehsip

What to expect of your traineeship

Jorn en collega's op laptop

Trainee assignments (70%)

Work on challenging projects within our divisions. From day one, you'll take on real responsibilities, gaining an inside perspective on TenneT and discovering where your talents can make the greatest impact.

Trainee activities (20%)

In addition to your daily work, you'll take part in joint trainee projects, company visits, and inspiration sessions. This way, you'll build a strong network both within TenneT and beyond.

Sollicitatiegesprek

When should you apply to this traineeship?

Your profile and background

We're looking for talented individuals who are excited to help build a strong and resilient energy grid - from large-scale infrastructure projects to electrotechnical installations at our substations.

• Educational Background - You have recently completed a university degree in a relevant field.
• Energy Curiosity - You are fascinated by the complexity of electricity systems and markets and want to contribute to their transformation.
• Analytical & Creative - You enjoy solving puzzles, working with data and technology, and thinking about how tomorrow's energy system should work.
• Language & learning - Fluency in English is required, and you are motivated to learn Dutch.
• Flexibility and Mobility - You are comfortable with working at various TenneT locations and are open to travel for work, both within the Netherlands and internationally.
• Relevant Experience - Previous experience in internships, vocational training, or part-time work in a relevant field is a plus, as it will help you hit the ground running during your traineeship.
Meeting statafels

When can you apply

You can apply approximately 5 months before the start date. For a start at TenneT in April, the job postings will be available starting in November, and for an October start, the positions will be posted online starting in May.

You can apply to only one of the five positions. If you apply to more than one, we will only take the first application in consideration.

Applying

Are you going to apply? Great! By clicking 'apply,' you can upload your CV and motivation letter. There are four questions in our vacancy which you will answer in your motivation letter. You will receive a confirmation email.

First selection round

We make a pre-selection based on your CV and motivation letter. If selected, we will ask you to share a video application with us. Based on these videos, we will make the selection for the job interviews. You have until December 10 to upload your video.

Second selection round

The invitations for the selection days will be sent out no later than December 19. The second selection round consists of interview days. Depending on your field of expertise, you will visit us on January 13 or 15, 2026. The day will include a job interview, a pitch, and a group case.