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.

• 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

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

• 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.