Security Engineer
Core
Strengthen security of complex defence programmes by building secure, resilient applications through threat modelling, security architecture, and hands-on engineering.
Role type
Senior Security Engineer (Defence)
Builds
Reusable security capabilities, tools, patterns, and secure-by-default components for identity, access, data protection, and network controls.
Domain
Defence / Cybersecurity
Required skills
Threat modelling, Security architecture, Secure software design, Application security, Identity and access management, Encryption, API security, Security tooling development, Secure development lifecycle integration, Mentorship
Preferred skills
Network security, Network architecture, Firewalls, Secure communications
Responsibilities
Build and improve shared security foundations, tools, and patterns; Lead threat-modelling sessions to identify threats and mitigations; Review application and system designs for security; Develop secure-by-default patterns for identity, data, secrets, and network; Integrate security checks into development workflows; Mentor engineers on application security practices.
Seniority
Senior, hands-on IC
