Location- London and Reading (Hybrid) once in a week. The Lead Cloud Architect is the technical authority and design owner for cloud migration and modernisation programmes. They are accountable for defining the end-to-end cloud strategy, shaping the Landing Zone architecture, and overseeing all technical designs and implementation across AWS infrastructure, security, identity, networking, migration planning, and EUC (Amazon WorkSpaces / Citrix modernisation). This role ensures that all architectural decisions are aligned to the functional, non-functional, financial, and security requirements, including resilience, Conditional Access, CIS/NCSC compliance, and cost efficiency. The Lead Architect provides technical governance across all phases: Discovery, Strategy & Design, Landing Zone Build, Amazon WorkSpaces deployment, Pilot & Full Migration, and BAU transition. Key Deliverables Cloud Adoption Strategy Target Architecture (HLD/LLD) Landing Zone Architecture Pack Detailed Implementation Plan EUC/WorkSpaces/Citrix design Migration Strategy & Runbooks Security & Compliance Architecture Operational Readiness & Handover Packs Required Skills & Experience 10 years cloud architecture; 5 years AWS in regulated sectors. Deep knowledge of: AWS Organisations, Control Tower, IAM, VPC, WorkSpaces, AppStream, FSLogix, AWS MGN, Terraform/CloudFormation, KMS, GuardDuty, CloudTrail, Entra ID. Strong stakeholder communication. Experience defining governance, stage-gate assurance. Preferred Certifications AWS Solutions Architect Professional AWS Security Specialty AWS Networking Specialty ITIL