About this role
Salary: £70,000 - 70,000 per year
Requirements
- Experienced Security Application Architect
- Strong design and development background
- Proven experience with Gateway technologies
- Knowledge of Infrastructure & Platforms (VMware/vSphere, RHEL, Windows Server)
- Familiarity with Trellix SIEM platforms
- Understanding of Identity & Directory Services (Active Directory, DNS, LDAP, LDIF)
- Experience with Gateway appliances and associated software
- Proficient in Email, Chat, and File standards
- Knowledge of Web and Chat protocols (XML, JSON schema, TLS server/client certificates)
- Understanding of digital file format handling
- Familiarity with Linux & Networking
- Proficient in Shell scripting and REGEX
- Fluent in Firewall technologies
- Self-motivated and able to work autonomously
- Strong stakeholder engagement skills
- Ability to communicate effectively at technical and leadership levels
- Willingness to travel weekly within the South/Southwest region at short notice
Responsibilities
- Own and design technical changes required to maintain and enhance Gateway capability
- Produce high-quality design documentation in collaboration with the customer and Programme Manager
- Support solution governance and architectural integrity
- Ensure ongoing availability, resilience, and security compliance
- Provide architectural guidance during troubleshooting and incident resolution
- Act as a key technical interface between engineering delivery and operational support teams
Technologies
- Active Directory
- Architect
- Firewall
- Support
- JSON
- LDAP
- Linux
- RHEL
- Security
- VMware
- Web
- Windows
- XML
More
We are a forward-thinking defense technology company located in Bracknell, seeking an experienced Security Application Architect to support the delivery and ongoing evolution of a secure Gateway capability for a strategic UK defense customer. This role offers a competitive salary in the range of £65-70k per annum, along with an attractive benefits package. Our dynamic team is dedicated to delivering resilient and compliant solutions in a high-security, mission-critical environment, and we value self-motivated professionals ready to drive change and technical direction.
last updated 44 week of 2026