Lead Cloud Architect - GCP - SC Cleared Outside IR35: £650-£700 per dayHybrid - 2-4 days per month in LondonASAP - long-term engagement We are supporting a requirement for a Lead Cloud Architect for a high-profile central-government cloud transformation. This is an opportunity to shape the foundations of a large-scale GCP estate, defining how the platform will be structured, governed, secured and operated for the long term. You will lead the current-state assessment and establish the future architecture, landing zone and operating model. A central part of the programme involves transitioning platform ownership and administration into the organisation, giving you significant influence over its future governance, identity, security, FinOps and operational capabilities. Role responsibilities Lead the current-state assessment of the GCP estate and identify architectural, governance and operational improvements. Define the target GCP landing zone, organisation hierarchy and folder structure. Design enterprise-scale organisation policies, IAM controls and role-based access models. Develop the cloud operating model, including ownership, responsibilities, controls and service management. Define the identity strategy across Cloud Identity, Workforce Identity Federation and Microsoft Entra ID. Design security architecture aligned with Secure by Design, NCSC guidance and the Cyber Assessment Framework. Establish FinOps governance, billing hierarchies, cost-allocation and ..... full job details .....