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zoetermeer, NetherlandsOffice

Network and System Administrator

What will you do?

Are you looking for a dynamic job in ICT? Do you get satisfaction from solving and preventing technical problems, so that your colleagues or our customers can continue their work? Do you find digital security as important as we do at TKH Security? Then read on quickly!

The Network and System Administrator is responsible for the company’s IT infrastructure. This role requires an experienced IT professional who can ensure the reliability, security, and optimal performance of various technology infrastructure components. The Senior Network and System Administrator will work closely with our security officer, management, and end-users to monitor system events, address technical issues, implement new technologies, and maintain high levels of system availability and security.

As a Network and System Administrator you will:

  • Propose and implement new solutions to continuously improve the IT landscape
  • Manage and troubleshoot our servers and network equipment consisting of a PROXMOX environment, CISCO routers, switches and Unify equipment
  • Be the administrator of our Azure and AWS environment
  • Resolve operational problems
  • Monitor security and performance, perform updates, and ensure systems are up-to-date and secure
  • Perform regular backup operations and implement appropriate processes for data protection, disaster recovery and failover procedures
  • Provide technical support, resolve help desk requests, and train users on system usage.
  • Implement security measures, conduct audits, and ensure compliance with security policies.
  • Maintain documentation of system configurations, procedures, and changes.


  • Keeping assets secure and up to date
  • Maintaining network connectivity
  • Elevating the performance and security of the IT infrastructure to new heights
  • Working together with the security officer on security audits
  • Creating and updating IT documentation

Our Offer

When you come to work at TKH Security as a Network and System Administrator, you will receive:

  • Salary with a maximum of €4000 gross per month on a full-time basis, depending on knowledge and experience;
  • A laptop and smartphone;
  • Collective discount on additional health insurance;
  • Pension scheme;
  • Extensive training and training opportunities;
  • Monthly events;

Who are we looking for?

For the position of Network and System Administrator, we are looking for someone who:

  • Has at least HBO work and thinking level;
  • Has 5 years or more experience in managing complex IT environments or a similar role;
  • Speaks good Dutch and English;
  • Skilled in the field of IPv4 and IPv6 routing and networking
  • Experience with various VPN technologies
  • Microsoft 365 and Azure/EntraID
  • Experience with virtualization in Proxmox, Docker and Kubernetes

About TKH Security

We develop and deliver technologies for Security Management, Asset & Site Management and Park Assist solutions with an emphasis on quality and cybersecurity. With 12 offices worldwide, we serve customers in more than 80 countries. Our technology is developed and produced in Europe. For more than 25 years, we have been developing technologies that contribute to the safety of people and companies. Through years of experience, we have proven that our solutions help shape the future and change everyday life. We ensure the safety of people.

As a Network and System Administrator, you will work at our head office in Zoetermeer. This office is easily accessible by car from The Hague, Delft, Rotterdam, Capelle aan den IJssel and Alphen aan den Rijn. We are also easily accessible by public transport; it is only a 10-minute walk from Lansingerland stop. So you can easily come by train from Gouda, Delft and The Hague. Our office in Zoetermeer has recently been modernized, so you can expect a beautiful and spacious office. And not to forget: we have a work café with a barista who makes your favorite coffee!

Are you interested in this position of

Network and System Administrator