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 youll design, implement and troubleshoot mission‑critical infrastructure in a live, security‑sensitive environment. Working alongside senior architects and engineering leads, youll play a key role in maintaining availability, supporting operational teams, and driving technical change across complex systems.
What Youll 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
* Configure and support Gateway appliances and associated software
* Maintain high availability, resilience and security posture
Your Technical Background
You’ll bring strong hands‑on experience across:
Infrastructure
* VMware / vSphere
* RHEL & Windows Server
* Trellix
* SIEM platforms
Linux & Scripting
* Shell scripting
* REGEX
* Firewall configuration
Microsoft Stack
* Active Directory
* DNS
* RDS
Applications & Protocols
* LDAP
* Email, Chat & File standards
* Web & Chat protocols
* XML & JSON schema
* LDIF
* TLS server/client certificates
* File type digital formats
Gateways
* Deployment, configuration and support of Gateway appliances and their software
What Were Looking For
* A self‑starter comfortable working independently and collaboratively
* Strong troubleshooting mindset
* Clear written and verbal communication skills
* Comfortable interacting with stakeholders at all levels
* Willing and able to travel weekly within the South / Southwest at short notice
If you are interested in discussing this Application Security Design Engineer role further, please reply back with a copy of your updated CV.
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