Security Architect

Security Architect
Salary: £85,000 + Benefits
Location: Bristol (Hybrid)
 
This is a high-impact Security Architect role within a global defence technology organisation, offering the opportunity to shape secure architectures for mission-critical systems used in high-assurance environments. You will sit at the heart of product and platform design, embedding security by design across the full software lifecycle and influencing engineering decisions at architectural level.
 
The role combines deep technical security expertise with strategic influence, governance, and stakeholder engagement. It is ideal for an experienced Security Architect who wants to work on complex, meaningful systems with real-world national security impact, while enjoying hybrid working and strong professional development opportunities.
 
Skills
Secure architecture design and secure-by-design principles
Risk assessment, threat modelling, and vulnerability management
Security frameworks: ISO 27001, NIST 800-30/53, OWASP
Cloud security architecture (AWS, Azure, GCP)
Incident response, penetration testing, and remediation concepts
Persuasive communication skills across technical and non-technical stakeholders
Excellent analytical, documentation, and problem-solving capability
 
Knowledge
MOD and UK Government security standards (JSP, Def Stan 05-138/139)
Regulatory and compliance requirements in high-security environments
Secure software development lifecycle (SSDLC)
Defence and government security operating environments
Modern security architecture patterns and governance models
 
Experience
Proven experience designing secure architectures for complex systems
Operating in regulated, high-assurance, or defence-related environments
Working across engineering teams to embed security early in design
Producing security architecture artefacts, risk assessments, and design assurance
Engaging with stakeholders to translate security risk into business impact
Eligibility for SC clearance (or ability to obtain)