Security Architect Duration: 12 monthsLocation: Hybrid / 1 day PW on-site in CroydonUmbrella Only Due to the urgency and sensitivity of the work, active SC Clearance is mandatory. ResponsibilitiesAs a Security Architect, you will:Design and implement secure architectures across applications, platforms, and infrastructureDefine and apply security architecture patterns, including Zero Trust and defence-in-depth strategiesLead security design for cloud-based solutions (AWS, Azure, and/or GCP)Architect and govern identity and access management (IAM), including authentication, authorisation, and privileged accessDesign secure network architectures covering encryption, key management, and secure connectivityEmbed application security principles, including secure APIs, data protection, and threat modellingEnsure systems are designed for security resilience, availability, and risk mitigationCollaborate with engineering, platform, and delivery teams to embed security across the lifecycleMust-Have Skills and ExperienceProven experience working as a Security Architect in complex environmentsStrong expertise in secure architecture design across enterprise systemsSolid understanding of Zero Trust, defence-in-depth, and modern security patternsHands-on experience designing security for cloud platforms (AWS, Azure, and/or GCP)Deep knowledge of IAM, authentication, authorisation, and privileged access managementStrong background in network security, encryption, and key managementExperience w