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OT Network Administrator

UtrechtHybrid36 hours/weekDuration negotiable

As an OT Network Administrator, you are responsible for managing, developing, and protecting the networks on which operational systems run. You ensure that these systems remain available and comply with current security requirements. There is an important task to further professionalize the OT infrastructure and make it future-proof, directly contributing to the continuity of the water chain and a safe living environment. Your expertise ensures that crucial processes function reliably day and night.

You will work within an OT team of an asset team. Together with OT specialists, security specialists, and asset managers, you contribute to safe and reliable process automation of installations. The atmosphere is open, professional, and pragmatic. Colleagues help each other, actively share knowledge, and take ownership of their work and results.

What you will do.

  • Manage and optimize OT networks for purification plants and sewage pumping stations.
  • Identify and resolve malfunctions and security risks within the OT environment.
  • Implement network segmentation, monitoring, and firmware updates according to applicable guidelines.
  • Collaborate with internal and external specialists on secure integration of OT and IT systems.

Profile

You will work closely with OT specialists, security specialists, and external partners. You are an enthusiastic professional who takes initiative and sees opportunities to improve processes and collaboration. You are good at working independently, but you also actively seek connection with colleagues and other departments to achieve results together. You communicate clearly, are approachable, and know how to involve people in changes. You possess strong technical insight and an analytical view.

You can understand complex situations, set priorities, and make well-considered decisions. You remain effective under pressure and easily switch between different interests and disciplines. Thanks to your persuasiveness, ownership, and discipline, you make an important contribution to a safe and reliable OT environment.

What they ask

  • Demonstrably completed education at a minimum of HBO bachelor level in ICT, Informatics, Technical Automation, or similar.
  • Minimum of 5 years demonstrable work experience with network management within OT and/or industrial automation environments.
  • Demonstrable work experience with network technology, VLANs, firewalls, and network segmentation within OT and/or industrial automation environments.
  • Demonstrable work experience with OT security and the application of IEC 62443, BIO, NIS2, or comparable security standards.
  • Good command of the Dutch language, both written and spoken.

Wishes.

  • Demonstrable work experience with OT environments within vital infrastructure and/or process industry.
  • Demonstrable work experience with OT security, network segmentation, and the implementation of security measures in accordance with IEC 62443, BIO, NIS2, or comparable security standards.
  • Demonstrable work experience with SCADA, PLC, and/or process automation environments.
  • Demonstrable work experience within a water management organization, government organization, or similar public organization.
  • Demonstrable work experience with managing hybrid OT/IT infrastructures and coordination with internal and external stakeholders.

Competencies.

  • Collaboration
  • Analytical
  • Accurate
  • Precise
  • Cybersecurity aware

How to apply

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