Security Architecture Consultant for Critical Infrastructure

GCS Recruitment is seeking an experienced Security Architect Consultant to advise on security architectures across a complex digital estate for a major UK transport programme. You will review CSIAs, assess threat models, and guide secure design through delivery in a regulated environment.

The role requires stakeholder management, strong communication, and the ability to provide practical security recommendations across network, VPN, firewall, cloud, and infra domains.

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