Application 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, Telecoms & Digital

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…

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