Application Security Architect

Application Security Architect Onsite in Bracknell Eligible for DV clearance £65-70k per annum + benefits package We are seeking an experienced Security Application Architect to support the delivery and ongoing evolution of a secure Gateway capability for a strategic UK defence customer. This role combines architectural ownership, secure design governance, and operational assurance within a high-security, mission-critical environment. You'll shape technical direction, drive change, and ensure resilient, compliant solution delivery across engineering and support teams. What you'll be doing; Own and design technical changes required to maintain and enhance Gateway capability Produce high-quality design documentation in collaboration with the customer and Programme Manager Support solution governance and architectural integrity Ensure ongoing availability, resilience and security compliance Provide architectural guidance during troubleshooting and incident resolution Act as a key technical interface between engineering delivery and operational support teams Your technical background; You will ideally be an experienced grade architect with a strong design and development background and proven experience with Gateway technologies. Your technical knowledge should include: Infrastructure & Platforms VMware / vSphere RHEL and Windows Server Trellix SIEM platforms Identity & Directory Services Active Directory DNS LDAP LDIF Gateway & Security Technologies Gateway appliances and associated software Email, Chat and File standards Web and Chat protocols XML & JSON schema TLS server/client certificates Digital file format handling Linux & Networking Shell scripting REGEX Firewall technologies What we're looking for; Self-motivated and comfortable working autonomously Strong stakeholder engagement skills Able to translate customer requirements into robust, secure designs Confident communicator at technical and leadership levels Willing to travel weekly within the South / Southwest region at short notice If you are interested in discussing this Application Security Architect role further, please reply back with a copy of your updated CV