Lead AI Security Engineer – Agentic Platform Defense

EY; Irvine (CA); Remote; USD 126,000 - 230,000; Full time

Job summary

Ernst & Young is seeking an AI Security Engineer to own the security posture of EY’s Agentic AI platform end to end. The role demands depth in cloud-native security, AI threat models, and end-to-end security engineering across sandboxing, supply-chain integrity, and policy enforcement.

You will lead threat modelling, defense against agentic attack surfaces, and security reviews in client engagements, delivering audit-grade evidence for regulated environments.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Security, or a related technical field.

Responsibilities

• Own the platform threat model and keep it current across build phases.

Skills

Cloud-native security

Kubernetes security

AI threat models

Zero-trust

Policy-as-code

Supply-chain security

Education

Bachelor’s or Master’s degree in Computer Science, Security, or related field

Tools

SPIFFE/SPIRE

Sigstore/Cosign

Notationen

Kyverno

OPA

Job description

Ernst & Young is seeking an AI Security Engineer to own the security posture of EY’s Agentic AI platform end to end. The role demands depth in cloud-native security, AI threat models, and end-to-end security engineering across sandboxing, supply-chain integrity, and policy enforcement.

You will lead threat modelling, defense against agentic attack surfaces, and security reviews in client engagements, delivering audit-grade evidence for regulated environments.