Senior AI Security Engineer (GenAI and LLM Protection)Location: Knutsford, Cheshire (Hybrid: 3 days in office / 2 days remote) Duration: Long-term contract (Until July 2026) Rate: 600 per day IR35 Status: Inside IR35 (Umbrella PAYE)The OpportunityAre you ready to define the future of AI Security in the financial sector? We are representing a global technology powerhouse tasked with securing the GenAI and Machine Learning roadmap for a Tier 1 Investment Bank. This is a rare opportunity for a Security SME to move beyond traditional infrastructure and secure the next generation of AI-driven banking services. The RoleAs a Senior AI Security Engineer, you will be the Subject Matter Expert (SME) responsible for protecting the bank''s AI/ML ecosystems. You will bridge the gap between Data Science and Cyber Security, ensuring that Large Language Models (LLMs) and Generative AI deployments are resilient, governed, and secure from emerging threats. Key Responsibilities:AI Governance and Guardrails: Drive the implementation of AI security platforms (e.g., Azure AI Security, AWS AI Guardrails, or Google Vertex AI Security).Threat Modelling and Pentesting: Conduct specialized assessments of AI/ML pipelines, model APIs, and data ingestion layers.Security Automation: Use Python to develop custom tooling and scripts that automate vulnerability testing for AI-related software.Model Security Research: Stay at the forefront of AI risks (OWASP for LLMs) and execute Proof of Concepts (PoCs) to ev