Cyber Security Architect

Senior and Principal Security Architects£50-£90 per hour (Dependent on experience and level) - Inside IR3512 month contractsHybrid - 2/3 days a week on site - Warton (PR4)**Applicants must have the right to work in the UK****Successful applicants must be eligible for SC/DV clearance**Role Purpose / OverviewHighly experienced security architects with strong technical credentials across enterprise, cloud, network and classified environments. Responsible for designing end-to-end secure architectures (HLD/LLD), leading Design Authorities and Technical Design Authorities, and providing architectural assurance across multi-supplier programmes up to TOP SECRET / Above Secret classifications. Ensures Secure-by-Design principles are embedded from the outset across all programmes.Key OutcomesSecurity is consistently embedded into system design across all programmesArchitectural decisions align with Secure-by-Design principles from the outsetComplex, multi-partner and classified environments are designed securely and coherentlyIdentity, cross-domain and data protection controls are defined at the architecture levelDesign Authority interactions are informed, structured and technically robustKey ResponsibilitiesDesign end-to-end secure architectures (HLD/LLD)Lead Design Authorities and Technical Design AuthoritiesEnsure security is consistently embedded into system design across all programmesAlign architectural decisions with Secure-by-Design principles from the outsetDefine identity, cross-domain and data protection controls at the architecture levelEnable structured, technically robust Design Authority interactionsProvide architectural assurance across complex, multi-partner and classified environmentsTechnical Skills & Experience, a good mix of some or all of the following:Secure-by-Design (MOD SbD / NIST 800-53r5 / NIST CSF / CIS CSC v8.1) - design, maturity tracking and assurance across full programme lifecyclesEnterprise & Cloud Security Architecture - AWS, Azure, GCP, Oracle Cloud (multi-cloud landing zones, hybrid identity, secure migration patterns)Classified Platform Design - OFFICIAL, OFFICIAL-SENSITIVE, SECRET and ABOVE SECRET environments, ROSA, Garrison, Citadel, VCF, Cross-Domain SolutionsZero Trust, IDAM & PKI - conditional access, hybrid identity, cryptography, HSMs, IAM, RBAC, OIDC, federationThreat Modelling - STRIDE / STRIDE-LM, attack-surface analysis, trust boundary modelling, design reviewsNetwork & Boundary Security - Checkpoint, Palo Alto, Fortinet, Cisco, Juniper, F5, Zscaler, NSX-T, SD-WAN, encrypted WAN, DMZ, NACServiceNow & M365 Architecture - ITSM, ITOM, CSM, EAM, SharePoint Online, Purview, Entra, Sentinel, Defender, Power Platform, CoPilotContainer & DevSecOps - Kubernetes (EKS, Tanzu), Terraform, Ansible, CI/CD security, image scanning, container hardeningArchitecture Frameworks - TOGAF, ArchiMate, SABSA, Zachman, MODAF, JSP standards, NCSC architectural patternsHLD / LLD authoring, Security Patterns, Reference Architectures, Bill of Materials, Crypto Plans and JSP-compliant documentationDesign Authority leadership, Technical Security Boards, Gateway Reviews, multi-supplier governanceQualifications & CertificationsCISSP (multiple holders), CISM, CCSP, OSCP, CEHTOGAF 9 / TOGAF 9.2, SABSA Foundation, Zachman, ITIL v3/v4AWS Security Specialty, AWS Solutions Architect, AWS DevOps Pro, AWS Advanced NetworkingAzure Security Specialist (AZ-500), Azure Solutions Architect (AZ-303/304), Microsoft MCSECCIE (#38006), CCNP, CCDP, VCP, VCAP-NV, VCP-NV, Check Point CCSE/CCSA, PCNSEISO 27001 Lead Auditor, ISO 27005Prince2 Practitioner, MSP, Chartered Engineer (IET), MBCS CITPGovernment Clearances: SC, DV (active and historic), Five Eyes engagement