Principal AI Security Architect

EY; Cleveland (OH); On-site; USD 150,000 - 297,000; Full time

Job summary

EY is seeking a Principal Architect for AI & Security to lead protection architecture across AI agents, copilots, and data products. You will translate business needs into scalable security patterns and collaborate with product, engineering, and data teams.

The role emphasizes Zero Trust, identity, data protection, threat modeling, and governance. You will present strategy and risk mitigation plans to senior leadership and help EY deploy secure AI across the enterprise.

Qualifications

• 15+ years of experience in IT, cybersecurity, or related tech domains.
• 7+ years of architecture experience on enterprise-scale platforms and security capabilities.
• 5+ years of AI-related development including security architecture, application security, data security, cloud security, or AI protection solution design.
• Experience leading architecture strategy, proof-of-value efforts, technology evaluations, or implementation planning for complex security initiatives.

Responsibilities

• Lead AI protection architecture for AI agents, agentic AI, 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

AI security architecture

Agentic AI

MCP

A2A

AI governance

AI risk management

Executive communication

Security design

Education

Degree in Computer Science or related field

Tools

Microsoft Security

Entra ID

Purview

Defender

Sentinel

Zscaler AI Guard

ZIA/ZPA

Wiz

GitHub security

Azure AI

Job description

EY is seeking a Principal Architect for AI & Security to lead protection architecture across AI agents, copilots, and data products. You will translate business needs into scalable security patterns and collaborate with product, engineering, and data teams.

The role emphasizes Zero Trust, identity, data protection, threat modeling, and governance. You will present strategy and risk mitigation plans to senior leadership and help EY deploy secure AI across the enterprise.