Application Design Engineer

Company: CBSbutler Holdings Limited trading as CBSbutler
Apply for the Application Design Engineer
Location: Bracknell
Job Description:

Application Design Engineer

Onsite in Bracknell | Eligible for DV clearance | £50-55K per annum + benefits package

Step into architecture while staying hands‑on. We’re seeking an Application Design Engineer to support delivery of a secure Gateway solution for a major UK defence customer. This is an opportunity for a strong infrastructure/design engineer to broaden into architecture while working on mission‑critical systems in a high‑security environment. You’ll help implement change, maintain availability, and support operational teams within a live, complex infrastructure landscape.

What You’ll Be Doing

  • Identify and implement technical changes to support Gateway capability and maintain availability
  • Produce designs for change in collaboration with the customer and Programme Manager
  • Work daily with the Solution Owner and Engineering Lead on technical delivery tasks
  • Support SOC and 3rd Line teams in troubleshooting incidents and resolving complex issues
  • Assist with configuration and ongoing support of Gateway appliances and associated platforms

Your Technical Background

  • Infrastructure: VMware / vSphere, RHEL & Windows Server, Trellix, SIEM platforms, Microsoft Stack, Active Directory, DNS, RDS
  • Networking: Citrix NetScaler, Wireshark
  • Storage: NetApp SAN, NAS, Backup technologies
  • Security & Gateway: Gateway appliances and software, PKI management applications, Web applications and protocols

What We’re Looking For

  • A proactive self‑starter who can work independently and within a team
  • Strong troubleshooting and analytical skills
  • Clear communication skills across technical and non‑technical audiences
  • A desire to move from engineering into architectural responsibilities
  • Willingness to travel weekly within the South / Southwest at short notice

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

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Posted: April 17th, 2026