Were working with a large organisation undergoing significant cyber and digital transformation to hire a Cyber Security Architect focused on Operational Technology (OT) .

This role sits within a dedicated Security Architecture function and is specifically aligned to securing industrial and operational systems. The focus is on designing and assuring cyber security controls across complex OT environments, ensuring operational resilience, regulatory alignment, and risk mitigation from the outset.

This is not an enterprise IT architecture role it is centred on industrial control systems, operational networks, and IT/OT convergence.

What youll do Define and implement security architecture principles across OT / ICS environments. Embed secure-by-design controls into industrial systems and operational technology platforms. Lead design assurance across OT network segmentation, zone and conduit modelling, and industrial DMZ architectures. Identify architectural gaps within existing OT estates and define pragmatic remediation roadmaps. Align OT security architecture to recognised frameworks and regulatory requirements. Collaborate with OT engineers, operational stakeholders, and cyber teams to balance safety, availability, and security. Provide arc...