London Hybrid AI Security Engineer: LLM & Pen Testing

Company: Xpand Group
Apply for the London Hybrid AI Security Engineer: LLM & Pen Testing
Location: London
Job Description:

Xpand Group is seeking an AI Offensive Security Engineer to join a banking client in London. The role focuses on AI-assisted security testing across applications and infrastructure, combining traditional security testing with AI-powered automation and code analysis.

The position involves hands-on penetration testing, vulnerability validation and security automation within a hybrid London environment. The candidate will work with LLMs, AI agents, and security tools to enhance testing workflows,

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Posted: November 4th, 2026