Security Architect (ZTA)

DXC Technology is committed to building diverse, inclusive teams. We welcome applications from all backgrounds and particularly encourage interest from women, underrepresented groups, and neurodivergent candidates. We offer reasonable adjustments throughout the hiring process and are dedicated to creating a supportive, accessible environment for everyone. Security Architect (ZTA) Location: Farnborough (onsite 5 days per week) Security Clearance: Due to the secure nature of the work and our customer requirement, candidate are required to hold DV clearance The Security Architect designs and implements comprehensive security architectures protecting defence and aerospace IT environments. You will develop enterprise security strategies, lead security programme implementations, architect integrated defence-in-depth solutions, and ensure compliance with stringent MOD security requirements. This role demands exceptional expertise in security architecture, risk management and defence security standards.

Security Strategy & Architecture Design holistic security architectures incorporating people, process and technology security. Develop enterprise-wide security strategies aligned with MOD Classification Guides and Defence Security Policy. Architect defence-in-depth security solutions across network, application, data and endpoint layers. Lead security architecture reviews and technical security assessments. Design zero-trust security models and continuous verification frameworks. Cyber Threat & Risk Management Assess cyber threat landscape and design threat-informed security architectures. Lead security risk assessments and vulnerability management programmes. Design incident response, threat intelligence and cyber defence capabilities. Architect security monitoring, detection and response solutions. Design business continuity and cyber resilience frameworks. Compliance & Standards Implementation Ensure security architectures comply with MOD security requirements and ITAR regulations. Design security solutions supporting Information Security Management System (ISMS) compliance. Architect compliance and audit capabilities for regulatory reporting. Lead security standards implementation and controls frameworks. Security Solutions & Integration Architect endpoint protection, data loss prevention (DLP) and advanced threat protection solutions. Design cloud security architectures supporting hybrid and multi-cloud environments. Architect application security, API security and secure SDLC integration. Design security operations centre (SOC) capabilities and security information and event management (SIEM). Lead security technology evaluation and implementation programmes. Technical Leadership & Governance Lead security technical teams and provide architectural mentoring. Establish security design standards, architecture patterns and operational governance. Drive technical decision-making through security design reviews. Document security architecture decisions and design specifications. Customer & Stakeholder Engagement Serve as technical authority for security architecture discussions with customer leadership. Present security recommendations to defence programme teams and executive stakeholders. Lead security architecture workshops and customer engagement activities What You’ll Bring Previous background in information security within a architectural role. Proven experience designing enterprise-scale security