TenneT is a leading European grid operator committed to a secure and reliable electricity supply - 24 hours a day, 365 days a year. We are shaping the energy transition for a sustainable energy future. As the first cross-border transmission system operator, we plan, build and operate an almost 25,000 kilometres long high and extra-high voltage grid in the Netherlands and Germany and are one of the largest investors in national and international electricity grids, on land and at sea. Every day, our 7,400 employees give their best and ensure with responsibility, courage and networking that more than 43 million end consumers can rely on a stable electricity supply.
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Lighting the way ahead together
Unit description The Grid Field Operations Offshore & HVDC (GOG) unit is responsible for the operation, maintenance and repair of our offshore facilities (platforms and converter stations) and other HVDC transmission facilities (offshore-onshore connection lines). We also carry out base load projects (cat. 1-3) for all offshore facilities. The Grid Field Operations 2GW division is currently being established in order to contribute operational experience during the construction phase of the facilities and to optimally prepare for the operational phase.
As a Service Technician (m/f/d), you will be part of the Operations Offshore & HVDC 2GW team, which ensures that operational requirements are considered during the planning, construction, and commissioning phases of the offshore grid connection system. The team also supports the transition of the facilities into operation and contributes to their ongoing development. In preparation for the operational phase, you will ensure that existing maintenance strategies are applied or adapted as needed to guarantee the long-term availability and technical integrity of the facilities.
For this position, you will work and live abroad (3-5 years) in the yard location Cadiz/Algeciras, Spain from most likely end of 2026 on.
Frame conditions
* Starting from November 2025
* The weekly working time is 37 hours; during offshore rotations, working hours may vary
* The position is permanent
* For this position, you will work and live abroad (3–5 years) at the yard location in Cadiz/Algeciras, Spain, most likely starting at the end of 2026
* Your offshore suitability according to the AWMF standard will be assessed by one of our company doctors
The position may be taken offline early, so don't hesitate to apply
As part of your onboarding on existing grid connection systems, you will get to know our technical facilities and working methods, as well as offshore-specific roles that are essential for operations and emergency response (e.g., fire fighting, offshore first aid). You will apply the gained insights and your technical expertise directly to the 2GW projects, playing a key role in preparing for the operational phase.
1. You take on tasks related to the integration of operational procedures and systems to prepare for the future operational phase, ensuring a smooth transition into operations
2. This includes independently handling documentation and condition assessments of the facilities, as well as overseeing and ensuring quality control
3. As a Service Technician in Operations (m/f/d), you are independently responsible for troubleshooting, inspection, and maintenance work on specific process engineering systems of the grid connection systems—both on offshore platforms and in converter stations at onshore substations
4. This also includes performing isolations on the mechanical systems and setting up safe work environments. You are also responsible for supervising, ensuring quality control, and instructing service providers during maintenance activities
5. Additionally, you participate in on-call services for initial fault response, including on weekends and public holidays.
6. A key part of your role is to fully internalize and embody our safety culture (HSE) within the TenneT teams and in interactions with our contractors
7. You have completed vocational training as a ship mechanic, industrial mechanic, or HVAC technician (m/f/d), or hold a comparable qualification. Additionally, you have completed further training as a master craftsman or technician (m/f/d), or an equivalent qualification
8. Ideally, you bring relevant experience in maritime operational technology
9. You demonstrate flexibility and multifunctional readiness to support colleagues during multi-day stays on offshore platforms
10. Your working style is characterized by strong teamwork, initiative, and a high level of commitment. You also show a strong willingness to learn and continuously participate in training and development activities
11. You have excellent verbal and written communication skills in both German and English, and you are confident in using MS Office applications
12. A Class B driver's license and willingness to travel complete your profile
* We are family friendly and flexible Flexible working hours without fixed times and home office options allow you to organize your work individually. Our external partners also provide you with support services for various phases of life - for example, in matters relating to household services or care and career.
* 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). And you will receive a sports allowance if you are a member of a sports club.
* Modern working environment
• Modern IT-tools
• Ergonomic workstations
• Very well equipped conference rooms and communication solutions that enable cross-location and cross-border collaboration
* 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.
* Personal development Personal growth is something we actively stimulate within TenneT. For example we have our own TenneT Academy where you can explore and develop your own set of skills. More than that: you have the opportunity to work in an innovative company with an international network, to use your personal strengths and to shape the future together with us.