Senior AI Security Engineer: Platform Threat Defense

EY is seeking an AI Security Engineer to own EY’s Agentic AI platform security end to end. You will address threat modeling, sandboxed execution, and supply-chain integrity across cloud, on‑prem, and air-gapped environments.

You will lead red‑team exercises, policy‑as‑code enforcement, and client engagements with CISOs and regulators, ensuring defense-in-depth and audit-ready evidence. This role is remote across the United States.