The Lead AI Security Engineer - Senior Manager at EY is responsible for overseeing the security posture of the Agentic AI platform. This role requires a deep understanding of cloud-native and platform security, particularly in AI and agentic threat models. The engineer will work to ensure the platform is defensible in highly regulated environments, addressing various security challenges. This position is ideal for a principal security engineer with extensive experience in security engineering and a strong focus on AI systems.

• Bachelor's or Master's degree in Computer Science, Security, or a related technical field.
• 10+ years in security engineering, security engineering, or offensive security, including hands-on production ownership.
• Demonstrable depth in cloud-native and Kubernetes security.
• Hands-on experience with workload identity and secrets management.
• Practical experience securing AI or ML systems in production.

• Own the platform threat model and keep it current as the platform evolves.
• Define the security engineering and control set for every platform layer.
• Set the secure-by-default contract for platform capabilities.
• Own defense against agentic threat classes.
• Work with the architecture team to define the agent authority model.
• Own the sandboxing security standard for agent-generated code execution.
• Secure the model and knowledge supply chain.
• Lead AI red teaming and adversarial testing.
• Own supply-chain integrity end to end.
• Own admission and runtime policy across various platforms.
• Define Kubernetes and infrastructure hardening baselines.
• Own tenant isolation assurance.
• Serve as the security authority in client engagements.
• Drive security detection and response for the platform.

• Ernst & Young (EY) offers a comprehensive and competitive benefits package designed to support the well-being of its employees across various dimensions.