Application Security Architect

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Business Sector: IT Job ref: LFI - 153991 Post Date: February 23, 2026 Application Security ArchitectOnsite in BracknellEligible 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 TLS server/client certificates Digital file format handling Shell scripting REGEX Firewall technologies
What we're looking for;
Self-motivated and comfortable working autonomously 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. #J-18808-Ljbffr
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Location:
Bracknell
Job Type:
FullTime

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