Key Responsibilities
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Responsibilities include but are not limited to:
Network Architecture & Segmentation
Define and own secure OT network architecture aligned to IEC 62443 zone and conduit models utilising firewalls and data diodes.
Establish defense-in-depth architecture across OT, IT/OT DMZ, safety systems and remote access zones.
Define secure connectivity for OT–IT, OT–Cloud and vendor integrations.
Review and approve OT network changes for cyber-physical risk impact.
Integrate identity-aware networking and Zero Trust principles where operationally feasible.
Oversee firewall rule lifecycle management, including review, validation, documentation and periodic recertification.
Ensure firewall configurations support deterministic traffic, legacy protocols and high availability requirements in OT environments.
Remote Access (In...