Senior AI Security Architect – Build Safe AI

EY; Pittsburgh (Allegheny County); Hybrid; USD 107,000 - 193,000; Full time

Job summary

EY is seeking a security-focused professional to join Challenger, EY’s initiative to innovate AI-enabled services. You will embed security across the AI lifecycle, prove controls under adversarial conditions, and convert findings into repeatable tests and reusable patterns.

You’ll work with product and engineering teams to enforce risk‑aware design and governance in a hybrid, travel‑appropriate role. The role emphasizes practical engineering of identity, access, data lifecycle protection, and

Qualifications

• 5+ years of relevant experience in security for product, application, cloud, platform, or detection security.
• Hands-on ownership of production controls.
• Proven threat modeling abilities for complex systems.

Responsibilities

• Set the security direction and own reusable AI security patterns and threat models.
• Collaborate with product and engineering teams to identify attack paths and shape effective controls.
• Design practical patterns for identity, access, isolation, approvals, and recovery.
• Embed security across the data lifecycle to protect confidentiality, integrity, provenance, and access.
• Integrate automated security tests, policy gates, and traceable changes into pipelines.
• Run adversarial red-team exercises and translate findings into repeatable tests and stronger platform patterns.
• Build runtime protection with evidence and behavioral signals to detect abnormal actions and misuse.
• Support vulnerability triage and incidents with clear evidence and containment options.
• Advise on residual risk with concise technical recommendations for product and risk leaders.
• Create reference implementations and coach engineers to turn lessons into reusable controls.

Skills

Security engineering

AI threat judgment

Control engineering

Adversarial mindset

Automation capability

Pragmatic influence

Cross‑functional delivery

Threat modeling

Education

Bachelor’s Degree in a relevant field

Job description

EY is seeking a security-focused professional to join Challenger, EY’s initiative to innovate AI-enabled services. You will embed security across the AI lifecycle, prove controls under adversarial conditions, and convert findings into repeatable tests and reusable patterns.

You’ll work with product and engineering teams to enforce risk‑aware design and governance in a hybrid, travel‑appropriate role. The role emphasizes practical engineering of identity, access, data lifecycle protection, and