Key Responsibilities: Produce High Level Designs (HLDs) and Low Level Designs (LLDs) for identity capabilities. Define end-to-end Technical Solutions across business, application, data and infrastructure domains. Translate business, security and regulatory requirements into technical solutions. Develop reference architectures, patterns and design standards for the programme. Define integration patterns between identity platforms, applications and infrastructure. Design cloud-native solutions for GCP and Kubernetes environments. Define authentication, authorisation and federation architectures. Design Agent Identity, Human Identity and Workload Identity capabilities. Define Zero Trust security architecture and trust boundaries. Design API security, service-to-service authentication and workload authentication patterns. Develop event-driven integration architectures using messaging and asynchronous processing. Design Policy Decision Point (PDP) and Policy Enforcement Point (PEP) architectures using Policy-as-Code. Define secrets management, certificate lifecycle and PKI integration patterns. Design resilience, disaster recovery and high availability architectures. Ensure solutions meet non-functional requirements for security, scalability, resilience and performance. Produce architecture decision records (ADRs) and design documentation. Support governance through Architecture Review Boards and Design Authorities. Perform solution assurance and technical design reviews across ..... full job details .....