Senior AI Security Engineer - Platform & Threat Modeling

EY; Houston (TX); Remote; USD 140,000 - 210,000; Full time

Job summary

EY is seeking an AI Security Engineer to own the security posture of EY’s Agentic AI platform end to end. The role focuses on threat modeling, control set definition, and secure-by-default practices across cloud, on-prem, and air-gapped deployments.

The ideal candidate will have depth in cloud-native security, AI threat models, threat modeling, red teaming, policy-as-code, and client-facing assurance for CISOs and regulators.

Responsibilities

• Own the platform threat model across agent autonomy, tool invocation, delegated authority, and data supply chain.
• Define security controls for each platform layer: infrastructure, Kubernetes, identity, secure execution, network policy, telemetry.

Job description

EY is seeking an AI Security Engineer to own the security posture of EY’s Agentic AI platform end to end. The role focuses on threat modeling, control set definition, and secure-by-default practices across cloud, on-prem, and air-gapped deployments.

The ideal candidate will have depth in cloud-native security, AI threat models, threat modeling, red teaming, policy-as-code, and client-facing assurance for CISOs and regulators.