AI Security Platform Lead

EY; Seattle (WA); On-site; USD 170,000 - 230,000; Full time

Job summary

EY seeks an AI Security Engineer to own the security posture of EY’s Agentic AI platform end to end, from silicon-level attestation to prompt-injection defenses and policy-as-code.

Ideal candidates will bring cloud-native security depth, experience with AI threat models, and the ability to articulate threat models, run red-team exercises, and defend engineering to clients and regulators.

Responsibilities

• Own the platform threat model for agentic AI, covering autonomy, tool invocation, delegation, data supply chain, and multi-tenancy across cloud and air-gapped environments.
• Define security engineering and control sets for every platform layer: infrastructure, Kubernetes, identity, secure execution, sandboxing, gateway, telemetry and delivery pipelines.

Job description

EY seeks an AI Security Engineer to own the security posture of EY’s Agentic AI platform end to end, from silicon-level attestation to prompt-injection defenses and policy-as-code.

Ideal candidates will bring cloud-native security depth, experience with AI threat models, and the ability to articulate threat models, run red-team exercises, and defend engineering to clients and regulators.