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Application Security Architect

Job in Bracknell, Berkshire, RG12 0AB, England, UK
Listing for: CBSbutler Holdings Limited trading as CBSbutler
Full Time position
Listed on 2026-02-23
Job specializations:
  • IT/Tech
    Systems Engineer, Cybersecurity
Salary/Wage Range or Industry Benchmark: 70000 GBP Yearly GBP 70000.00 YEAR
Job Description & How to Apply Below
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
Additional Information / Benefits
Benefits package
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