AI Security Pen-Tester & Red Team Lead

Citi in London and Belfast is seeking an experienced AI Offensive Security Analyst to join the Offensive Security and Vulnerability Management (OSVM) team. You will test AI applications, perform penetration tests, and help build AI-powered security tooling for scalable defense.

You'll work across web apps, APIs, and AI agents, triaging findings, reporting risk clearly, and integrating security into development with a focus on real-world enterprise deployments.