Application Architect

  • CBS Butler
  • Bracknell, Berkshire
  • 06/03/2026
Full time Information Technology Telecommunications

Job Description

Application Architect
Onsite in Bracknell
Eligible for DV clearance
£65-70K per annum + benefits package

We are recruiting an Application Architect to support the ongoing evolution of a Gateway solution for a strategic UK defence customer. Working alongside senior solution leaders, you'll contribute to secure design, controlled change, and operational resilience within a mission-critical environment. This is a development opportunity for an aspiring architect looking to build design authority and architectural experience in a high-assurance setting.

The Role

You will:

  • Contribute to infrastructure and Gateway design changes to maintain availability and performance

  • Produce structured design documentation alongside the customer and Programme Manager

  • Support architectural governance and ensure alignment to solution intent

  • Provide technical oversight during incident troubleshooting with SOC and 3rd Line teams

  • Assist in maintaining secure, resilient and scalable infrastructure components across Windows and Linux environments

Your technical experience;Core Infrastructure

  • VMware/vSphere

  • RHEL & Windows Server

  • Microsoft Services

  • Active Directory, including Group Policy (GPO), DNS integration


Linux & Platform Engineering

  • Experience working within Red Hat Enterprise Linux environments

  • Ability to write scripts to automate operational or security processes

  • Familiarity with pattern matching techniques and regular expressions (Regex), particularly within security or antivirus tooling

  • Configuration and management of the standard RHEL Firewall

  • Exposure to Linux-based security tooling and antivirus technologies


Networking & Gateway Technologies

  • Citrix NetScaler

  • Wireshark

  • Understanding of Gateway appliances and associated software

  • Knowledge of secure communications protocols, including messaging platforms such as XMPP


Storage & Data

  • NetApp SAN

  • NAS

  • Backup solutions


Security & Web

  • PKI management applications

  • Web applications and protocols

  • Experience supporting file validation, inspection, and content verification within secure transfer environments

If you are interested in discussing this Application Architect role further, please reply back with a copy of your updated CV.