Within the Computing Division, the Enterprise Infrastructure Solutions (EIS) unit delivers and operates enterprise IT and cyber security services across UKAEA.

As OT Cyber Security Lead, you will provide technical leadership for the design, implementation, and continuous improvement of OT cyber security across safety‑critical environments.

You will act as the technical authority for OT security, ensuring controls are risk‑based, proportionate, and aligned with recognised standards (IEC 62443, NIST CSF, CAF, ISO 27001).

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Key Responsibilities

• Act as design authority for OT network security architectures (segmentation, zoning, IT/OT boundaries, air‑gapping)
• Provide independent assurance balancing cyber security, safety, and operational availability
• Define and assure OT security controls (e.g. firewalls, remote access, monitoring, SOC/SIEM integration)
• Lead OT cyber risk management and ...