Senior Security Engineer - Hands-on IAM & AppSec Lead

Hamilton Barnes is seeking a Security Engineer in Greater London to join a fast-moving, startup-like environment. The role involves hands-on code reviews, vulnerability testing, and securing internal tools while collaborating with engineering and leadership to implement practical security measures.

The ideal candidate will own IAM, RBAC, MFA, SSO, and least-privilege policies, lead security awareness initiatives, and build secure development practices across the organization.