Principal AI Protection Architect

EY; Los Angeles (CA); Hybrid; USD 150,000 - 297,000; Full time

Job summary

EY in the United States seeks a Principal Architect for AI & Security to lead AI protection architecture across agents, copilot platforms, automation workflows, and data products. You will translate business needs into scalable security designs and ensure alignment with EY’s Zero Trust, risk, and enterprise objectives.

You will partner with Fabric, engineering, product, data, and platform teams to embed AI protection, conduct threat modeling, and define standards across Microsoft Security,

Qualifications

• Degree in Computer Science, Cybersecurity, Engineering, AI, Data Technology, or equivalent work experience.

Responsibilities

• Lead AI protection architecture for AI agents, copilot platforms, MCP, A2A, copilots, automation platforms, GenAI applications, and data-driven AI products.
• Act as a senior architecture lead for AI protection, driving strategy, target-state architecture, and security design decisions independently.
• Establish and govern application standards across GRC, risk management, business continuity, Security Certification, and cybersecurity platforms to ensure consistency, scalability, and alignment with enterprise objectives.
• Define UX/UI, workflow, and integration standards across strategic platforms, ensuring consistent user experience, standardized business processes, and secure API-driven interoperability.
• Define secure-by-design, Zero Trust, identity, data protection, monitoring, and guardrail controls for AI platforms and agent ecosystems.
• Lead architecture reviews, threat modeling, control mapping, and risk assessments for AI-enabled solutions, workflows, applications, and data products.
• Partner with EY Fabric, engineering, product, application development, data, and platform teams to embed AI protection into delivery processes.
• Design and govern AI protection capabilities across Microsoft Security, Purview, Defender, Sentinel, Entra ID, Zscaler AI Guard, ZIA/ZPA, Wiz, and related enterprise security platforms.
• Develop AI protection standards, reference architectures, reusable patterns, decision records, and implementation roadmaps.
• Present AI protection strategy, architecture recommendations, risks, dependencies, and mitigation plans to senior leadership and governance forums.

Skills

AI protection

Security architecture

Zero Trust

Threat modeling

Stakeholder engagement

Education

Degree in Computer Science, Cybersecurity, Engineering, AI, Data Technology, or equivalent

Tools

Microsoft Security

Purview

Defender

Sentinel

Entra ID

Zscaler

Wiz

Job description

EY in the United States seeks a Principal Architect for AI & Security to lead AI protection architecture across agents, copilot platforms, automation workflows, and data products. You will translate business needs into scalable security designs and ensure alignment with EY’s Zero Trust, risk, and enterprise objectives.

You will partner with Fabric, engineering, product, data, and platform teams to embed AI protection, conduct threat modeling, and define standards across Microsoft Security,