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Application Security Design Engineer
Job Summary
Advertiser
Salary / Rate
Posted
CBSbutler Holdings Limited
£55,000
25th February 2026
Location
Start Date
South East
Type
Job Sector
permanent
IT
Security Application Design Engineer Onsite in Bracknell Eligible for DV clearance £50-55K per annum benefits package Join a high-impact engineering team delivering a secure Gateway solution for a major UK defence customer . This is a hands-on Security Application Architect role where you'll design, implement and troubleshoot mission-critical infrastructure in a live, security-sensitive environment. Working alongside senior architects and engineering leads, you'll play a key role in maintaining availability, supporting operational teams, and driving technical change across complex systems. What You'll Be Doing Identify and implement infrastructure and application changes to support Gateway functionality and availability Produce detailed technical designs for change alongside the customer and Programme Manager Work daily with the Solution Owner and Engineering Lead to deliver engineering outcomes Provide technical support to SOC and 3rd Line teams, troubleshooting complex incidents…
