Senior Security and Compliance ArchitectLondon / Hybrid (1-2 days onsite per week)Salary: Up to £140,000 + PackageWe are seeking a Senior Security and Compliance Architect to lead the design, governance, and assurance of secure cloud and SaaS platforms across large-scale enterprise transformation programmes.This is a hands-on architecture role working across security, solution architecture, data, legal, procurement, and programme leadership teams to deliver secure-by-design solutions within complex, distributed enterprise environments.The successful candidate will help define and enforce security-by-design and privacy-by-default principles across a diverse SaaS and cloud ecosystem including Microsoft 365, Azure, Oracle Cloud, and other enterprise collaboration platforms.Experience working in regulated environments (e.g. financial services, government or similar is essential.Security clearance or eligibility for clearance is essentialKey ResponsibilitiesDefine and maintain SaaS-first security reference architectures covering identity, integrations, data protection, and monitoringDrive security-by-design and privacy-by-default across enterprise digital and transformation initiativesEstablish and enforce Zero Trust security baselines across Microsoft 365, Azure, Oracle Cloud, and key SaaS platformsDesign and implement data protection controls including classification, DLP, encryption, retention, and access policiesInterpret and implement compliance requirements including GDPR, I