Senior AI Security Engineer - Agentic Platform Defense

EY is seeking an AI Security Engineer to own the security posture of the Agentic AI platform end to end. You will tackle threat modeling, secure by default controls, sandboxing, and defense against agentic threats across cloud to air-gapped deployments.

The role requires deep cloud-native and platform security expertise, with emphasis on threat modeling, policy-as-code, and defending engineering to client CISOs and regulators.