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OT Security Engineer

  • Hybrid, De Bilt
  • Contract, Security
  • Freelance/projects

Looking for a OT Security Engineer.

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Your profile as OT Security Engineer

About the RoleYou will become part of a cybersecurity team focused on protecting complex on premise and OT related environments across several regions. In this position, you will help maintain and improve the core SOC tooling landscape, strengthen detection capabilities, and resolve operational issues to keep monitoring stable and effective.This opportunity combines SOC tooling, DevOps driven automation, on premise security, and practical troubleshooting. It is a strong fit for someone who enjoys solving technical challenges and keeping critical security environments running smoothly.Key Responsibilities

  • Manage, improve, and support SOC infrastructure, systems, and tooling.
  • Implement and operate SIEM, logging, and OT security platforms, such as Elasticsearch, Graylog, industrial detection solutions, and vulnerability scanning tools.
  • Configure, maintain, and support IDS, IPS, and virtualised or container based sensors.
  • Develop and maintain GitLab CI/CD pipelines to roll out security capabilities efficiently.
  • Use Ansible to create reliable and repeatable deployment processes.
  • Automate day to day operational tasks through Python, Bash, and PowerShell.
  • Deploy and secure container based applications using Docker and Kubernetes.
  • Investigate and resolve issues across sensors, logs, pipelines, and network components, while restoring service quickly when systems are impacted.
  • Support incident response activities and help stabilise operations during and after incidents.
  • Create and maintain clear documentation for configurations, procedures, and architecture.Required Skills
  • Fluent Dutch, both spoken and written.
  • Hands on experience with Docker, Kubernetes, and CI/CD, ideally within GitLab.
  • Strong scripting skills in Python, Bash, and PowerShell.
  • Good working knowledge of both Windows and Linux environments.
  • Strong understanding of TCP/IP and experience with PCAP analysis.
  • Experience with SIEM and log management platforms such as Elasticsearch and Graylog.
  • Comfortable working in on premise or OT related environments, rather than cloud only landscapes.
  • A strong troubleshooting mindset with the ability to stay effective under pressure.
  • Solid cybersecurity fundamentals and a strong sense of ownership.Nice to Have
  • Experience within industrial, OT, manufacturing, utilities, or other critical environments.
  • Familiarity with ISO 27001 or similar security frameworks.
  • Experience with OT specific detection technologies or vulnerability management tools.
  • German language skills are a plus.

Creating the future of IT Infrastructure and Cyber Security

Creating the future of IT Infrastructure and Cyber Security

Do you want to further develop yourself as an IT Infrastructure or Cyber Security professional? Tergos matches ambitions, skills and personalities to find the organisation or assignment that suits you best.

Triple focus

Our sales consultants each focus on one IT Infrastructure or Cyber Security expertise, one specific type of employment and one particular region. Thanks to this triple focus, they know all relevant organisations within their focus area. As a result, they quickly find your best match.

Application process steps

Step 1

Apply

Fill out the application form. Or give us a call for more information.

Step 2

Connect with a Tergos Consultant

We'll discuss your preferences, ambitions, and the job specifics. A match? Then we'll introduce you

Step 3

Receive an invitation and ace your interview

Get the details and preparation tips from us. After the interview, we'll continue to support you.

Step 4

Both parties excited? Receive your contract!

Dive into the conditions and sign the agreement.

Step 5

Get started

Start with confidence and well prepared. We'll stay in touch to see how we can further assist you.

Apply now

Drop your contact details and make sure to keep your phone close by, we will contact you shortly.

  • Closing date: 12 March 2027
  • Publication date: 20 April 2026

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