Lead Cloud Architect - AWS / GCP - SC Cleared We are seeking an experienced Lead Cloud Architect with a strong AWS background to lead the assessment and future-state design of a large-scale cloud estate within a UK public sector environment. The environment includes Google Cloud Platform (GCP), so candidates should have some understanding or exposure to GCP and, importantly, be comfortable applying their AWS cloud architecture experience across platforms and developing their GCP knowledge on the job. The role will focus on defining the target cloud architecture, governance framework and cloud operating model, supporting the transition of platform ownership and administration into the organisation. Key responsibilities Lead the current-state assessment of the cloud estate and identify architectural, governance and operational improvements. Define target cloud architecture, landing zone principles, account/project structures and governance models. Apply strong AWS architecture and governance experience to inform the future-state design, while working across the existing GCP environment. Define enterprise-scale cloud policies, IAM and role-based access controls. Define the cloud operating model, including ownership, responsibilities, controls and service management. Develop identity and access strategies across cloud platforms, including integration with Microsoft Entra ID. Define security architecture aligned to Secure by Design, NCSC guidance and the Cyber ..... full job details .....