Offshore Technician Supervisor

At TenneT, we work every day on tomorrow's electricity grid. Our goal? A reliable, affordable, and sustainable energy system. As an Offshore Technician Supervisor, you have a direct impact on maintaining and safeguarding offshore grid infrastructure that powers millions of households. Together with your colleagues, you contribute to the availability and safety of our offshore assets — keeping the Netherlands energised today and in the future.

Your profile and background

At TenneT, we are looking for professionals who help shape the future of our electricity grid. We expect you to bring the right experience and skills to make a valuable contribution to our team and mission.

What do you bring?

• Safety leadership: You act with confidence under pressure and can lead multicultural offshore teams in both normal and emergency situations.
• Technical capability: You have a solid affinity with electrical and/or mechanical system operations on offshore assets.
• Collaboration mindset: You share knowledge proactively and build strong working relationships across functions and teams.

You also bring:

• Operational experience with HV/LV electrical or mechanical offshore systems (e.g., fire protection systems, HVA/C, auxiliaries).
• Experience with high voltage switching operations in line with offshore electrical safety standards (NEN ISO 3140 / 3840).
• Experience in planning, organising, coordinating and reporting work execution.
• Knowledge of offshore working conditions, ship transfer and helicopter access regulation.
• Language fluency in Dutch and English (minimum B2 level).

We are especially interested in candidates with expertise in FAS/FES systems, NAVAIDs, CCTV, PAGA systems, Oil-Water systems, or Freshwater systems — including testing, configuration, system philosophy and fault-finding.

Your contribution to TenneT

How will you help power the Netherlands? As an Offshore Technician Supervisor, you support safe, reliable operations on offshore platforms and cable systems. You execute and supervise preventive and corrective maintenance, ensuring compliance with safety regulations and operational standards.

You will be responsible for:

• Safe supervision of maintenance and operations – Prepare, coordinate and oversee TenneT personnel, subcontractors, wind farm operators and third parties working offshore.
• Technical execution and support – Perform maintenance tasks within your technical expertise, provide guidance to colleagues, and supervise contractor execution quality.
• Safety leadership – Ensure compliance with safety legislation and work permit procedures; oversee electrical and mechanical lock-out/tag-out activities.
• Operational continuity – Act as Emergency Response Leader when required, ensuring safe crisis response and communication with the Crisis Manager.

In addition, you will:

• Execute first-line fault response duties.
• Support commissioning, asset readiness and handover of new grid connection systems.
• Participate in steering and custodianship of grid connection systems, contributing input on availability, budget, risk and quality.

You will join the Operations & Maintenance team, working alongside supervisors, engineers and project teams across onshore and offshore locations. Collaboration, responsibility and safety leadership are central to our culture.

Our recruiting process
Our offer

Flexibility

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.

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.

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). And you will receive a sports allowance if you are a member of a sports club.

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

This will be our challenge

Grid Field Operations is executing Field Operations, Maintenance and (Baseload) Projects. We ensure the integrity and safety of our assets entrusted to us, while also ensuring their maximum availability. We make sure that the onshore grids of TenneT is reliable in Germany and the Netherlands.

Additional information

Shape Our offer

TenneT gives you the opportunity to contribute to a sustainable energy future. Together with colleagues, partners, and stakeholders, you work on innovative solutions that enable the energy transition. You'll have room to develop your talents in an environment where your growth is a priority.

We offer you:

• A permanent contract with a two-month probation period, based on 40 hours per week or year contract with the intention to be determined after 1 or 2 years.
• Market-conform salary in scale 7: €4088 to €7230 per month, excluding 8% holiday pay and a 6% year-end bonus, with 70% pension contribution.
• Flexible benefits including hybrid working, travel allowance, internet reimbursement, and a home office allowance.
• Support for wellbeing, including contributions to fitness membership and health insurance.
• Development opportunities via the TenneT Academy.

Together, we ensure the Netherlands stays in motion and is ready for the energy of tomorrow.

Together, we power the Netherlands

Due to the holidays, interviews will take place starting in January 2026 and response time to your application may take longer

Salary

4088 € €

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.

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

Recruiter

Edward Verkammen

Recruiter

People

TAC Onshore & Offshore

Brian O'Connor

Fachlicher Ansprechpartner

Grid Field Operations Offshore

Electrical & Automation Systems

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