Security Architect - DV Cleared Security Architect – DV Cleared

As Security Architect, you will design and implement security architectures to protect defence IT environments, driving enterprise security strategies and defence-grade controls. You will lead architecture reviews, risk management, and security programme implementations within cross-functional teams. You will shape zero-trust models, continuous verification, and compliance with MOD and ITAR standards, delivering resilient security across networks, apps and data. This is an opportunity to influence mission-critical defence programmes and advance security maturity.

• Highly competitive salary
• Comprehensive benefits package
• Enhanced pension
• Private medical insurance
• Flexible working
• Professional development support

• Design holistic, enterprise-wide security architectures aligned with Defence Security Policy
• Architect defence-in-depth solutions across network, application, data and endpoint layers
• Lead security architecture reviews and technical security assessments
• Design zero-trust models and continuous verification frameworks
• Assess threat landscape and design threat-informed security architectures
• Lead security risk assessments and vulnerability management programmes
• Develop incident response, threat intelligence and cyber defence capabilities
• Architect cloud security for hybrid/multi-cloud environments
• Design security operations centre (SOC) capabilities and SIEM
• Lead security technology evaluation and implementation programmes
• Establish security design standards and governance
• Engage with customers and stakeholders as technical authority on security architecture

• Minimum 12 years’ information security experience with 5+ years in architecture role
• Proven experience designing enterprise-scale security architectures
• Strong background in defence, aerospace or government security programmes
• Expertise in security operations, incident response and threat management
• Track record of leading security transformation and programme implementations
• Deep expertise in security architecture frameworks, methodologies and best practices
• Expert-level knowledge of network, endpoint and application security
• Cloud security proficiency (AWS, Azure or equivalent)
• Knowledge of security tools (SIEM, DLP, EDR, WAF, firewalls)
• Understanding of cryptography and security protocols
• Familiarity with MOD requirements, Classification Guides and defence standards
• Knowledge of ISO 27001, NIST CSF, etc.

• Exceptional strategic thinking
• Outstanding communication and stakeholder engagement
• Strong problem-solving and analytical capabilities
• Security architecture frameworks and methodologies
• Network, endpoint and application security
• Threat modeling and defence-in-depth