OT Security Specialist (m/w/d)

LHH • nyon, vaud • Posted June 09, 2026

About the Role

We are currently assisting our client in their search to hire an OT Security Specialist (m/w/d) in Nyon. As an OT Network and Cybersecurity Specialist, you will play a critical role in maintaining, troubleshooting, and optimizing operational technology networks in industrial environments.

You will work-closely with cross-functional teams, ensuring the seamless integration of automation systems, network security, and real-time communication between devices and systems.

Your Responsibilities:

  • OT Network and Cybersecurity Support (including cybersecurity risk guidance - “Archer”)
  • Assistance in adding/changing/modifying OT Systems (Servers, Devices, etc.) – Moving/Adding/Changing/Deleting
  • Guidance in provisioning, patching and upgrading systems (PLCs, Servers, OT Workstations)
  • System Architecture Support (IP, segmentation, etc.)
  • Assist in maintaining site asset lists and network architecture diagrams.
  • Manage Ser...