Senior Cybersecurity Engineer OT – Network Security
We are currently looking for a Senior Cybersecurity Engineer OT – Network Security for a major European engineering group, who support complex national and international infrastructure projects with high security and safety requirements.
Your Role
* Design and implement robust OT network security concepts
* Secure industrial networks using IDS/IPS, NDR, NAC, and SIEM
* Protect wired, fieldbus, and wireless technologies (5G, GSM-R)
* Design Zero Trust architectures, including SASE and ZTNA
* Implement security and safety requirements aligned with IEC 62443
* Apply railway‑specific standards such as CLC TS 50701
* Ensure the secure and reliable operation of safety‑critical systems
Your Profile
* Degree in STEM or equivalent professional experience
* Strong hands‑on experience in OT and network security
* Solid knowledge of IEC 62443
* Experience securing remote access
* Fluent German and good English
* Structured, conscientious working style and strong team skills
Nice to have:
* Experience with Next‑Generation Firewalls (Application Layer Gateways)
* Exposure to cybersecurity requirements in railway environments (Train, Track, Factory)
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