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
- Configure and support Gateway appliances and associated software
- Maintain high availability, resilience and security posture
Your Technical Background
- 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 We’re 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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