Traineeship offshore
TenneT
Company Overview
TenneT B.V.
Arnhem, Netherlands
1998
Approximately 5,500 employees and a revenue of €4.5 billion in FY 2023 (source: emeoutlookmag.com).
What They Do
TenneT is the transmission system operator (TSO) for high-voltage grids in the Netherlands and Germany, with a strong focus on grid stability, cross-border connections, and the integration of renewable energy sources such as offshore wind. The company manages a network of over 25,000 kilometers of lines and cables, serving more than 43 million end-users (source: wikipedia.org). TenneT provides transmission services by transporting electricity from production sites to consumption points via regulated high-voltage infrastructure. The company also supports the integration of renewable energy, aiming to source 40% of Dutch electricity from offshore sources by 2030 (source: fd-binary-external-prod.imgix.net).
Projects & Track Record
TenneT has completed several notable projects, including the BritNed 1,000 MW HVDC interconnector between the United Kingdom and the Netherlands, which became operational in April 2011 (source: wikipedia.org). Additionally, the Borssele Beta offshore grid connection was certified for 'Grid Readiness' in July 2020, and eight 0.7 GW AC offshore grid connections have been realized in the Netherlands (source: fd-binary-external-prod.imgix.net). Currently, significant projects are underway, including two additional 2 GW offshore grid connections in the IJmuiden Ver wind energy area and the North-West 380 kV line, which connects Eemshaven to Vierverlaten (source: fd-binary-external-prod.imgix.net).
Recent Developments
In the past two years, TenneT announced that it will operate as two separate national organizations under one holding company starting January 1, 2025 (source: wikipedia.org). The company has also approved significant investments by the Dutch regulator ACM for capacity expansions addressing bottlenecks equivalent to 40% of current Dutch electricity consumption. Additionally, TenneT has issued tenders for offshore projects and substation upgrades, and secured EU funding for the North Sea Wind Power Hub (source: fd-binary-external-prod.imgix.net).
Working at TenneT
TenneT offers a wide range of positions, including engineering, grid operations, project management, IT, and procurement. The company is actively seeking over 1,100 new employees in the next three years, focusing on roles in grid field operations in the Netherlands and Germany (source: emeoutlookmag.com). The company culture emphasizes innovation and collaboration with partners, with a strong focus on securing energy supply. TenneT also has several subsidiaries, including CertiQ, which focuses on green certificates (source: encyclopedia.com).
Last updated on Feb 23, 2026 | Report an issue
Job Description
For October 2026, we are looking for trainees for various areas within TenneT: Operate, Onshore, Offshore, Design, and Digital & Technology Transformation. You can apply for one position only. This role is within the Offshore Division .
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.
Your profile and background
We're looking for graduates who want to build the backbone of the energy transition.
- Education - A Masters degree in Electrical Engineering, Maritime Engineering, Mechanical Engineering or Industrial Engineering & Management.
- Thinker & Do-er - You are results-oriented and bring both analytical thinking and action, using your project management skills to turn ideas into results.
- Energy Curiosity - You are fascinated by the challenges and opportunities for sustainable technology and large-scale infrastructure.
- Language - Proficiency in English is required, learning Dutch is not mandatory at entry, but learning Dutch will be part of your development during the traineeship.
- Flexibility - Open to travel and working at different TenneT locations.
- Residence - Because you'll be working in the office 2-3 days per week, you need live in the Netherlands during the traineeship. You'll also join us in person for the recruitment day for the selection process.
- Experience - Internships or relevant work experience are a plus.
Your contribution to TenneT
Our 18-month traineeship is designed to help you grow into a future leader in the energy transition. You will work on real projects, gain valuable experience, and develop your skills through training and coaching. You will also have the opportunity to build a network within TenneT and the energy sector.
Job location
6812AR ARNHEM , Arnhem-Nijmegen - Netherlands
Job requirements
Education level Bachelor or equivalent level
Travel required This job does not involve travel requirements
Remuneration
Salary 4548 EUR (Initial rate of compensation)
How to apply
CV with attached letter,Online application form,Telephone Contact - Erik Wagemaker Utrechtseweg 310 , M01 6812AR ARNHEM , Arnhem-Nijmegen - Netherlands Tel.: +31263731111 Email: [email protected] Web: https://careers.tennet.eu/en_US/careers/JobDetail?entityId=4007395&jobId=112912
Apply now
Job expired?Please let TenneT know you found this job on Rejobs. This will help us grow and get more people to work on renewable energy!
Apply now
Job expired?Please let TenneT know you found this job on Rejobs. This will help us grow and get more people to work on renewable energy!
Discover how you’re connected
View connectionsSee your contacts at TenneT on LinkedIn to leverage your network in applying for this position.
Get job alerts
Get alerts for Grid Integration jobs in Arnhem, Netherlands
Join Talent Pool
Let top clean energy employers find you
About the role
May 24, 2026
Internship
Company
- Arnhem, Netherlands
Entry-level
UTC+01:00
