Senior AI Security Engineer - Remote, Build Safe AI

EY; Los Angeles (CA); Híbrido; USD 110.000 - 193.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Medical and dental coverage

Pension and 401(k)

Generous paid time off

Descripción de la vacante

EY is recruiting for a security-focused role within Challenger to embed defenses across AI systems, data, tools, and processes. You will work with product and engineering teams to implement practical security controls and reusable patterns in a fast-moving, risk-aware environment.

Your responsibilities include shaping authority patterns, running adversarial tests, and delivering measurable coverage with evidence-based results.

Formación

• 5+ years of relevant experience.
• Substantial experience in product, application, cloud, platform, or detection security with hands-on ownership of production controls.
• Threat modeling: assess complex systems and turn attack paths into practical engineering measures.
• Production security: secure modern applications, cloud environments, identities, data, networks, and pipelines.
• AI systems knowledge: understanding of generative and agentic AI, including retrieval, model access, tool use, evaluation, and runtime behavior.
• Hands-on automation: building or extending security tests, controls, telemetry, and reference implementations.
• Response experience: supporting vulnerability or incident response and translating lessons into stronger controls.
• Cross-functional delivery: partnering with engineers and risk functions to improve security while preserving user value.
• Travel and On-site: up to 50% travel and hybrid office capacity.

Responsabilidades

• Set the security direction by owning reusable AI security patterns and threat models.
• Join builders early to identify credible attack paths and shape controls.
• Design scoped authority for identity, access, isolation, approvals, and recovery.
• Protect data throughout its lifecycle ensuring confidentiality and integrity.
• Secure the delivery path with automated tests, policy gates, and traceable changes.
• Test adversarially with red-team exercises and convert findings into repeatable tests.
• Build runtime protection using evidence and behavioral signals to detect anomalies.
• Strengthen response with clear evidence, containment options, and recovery actions.
• Advise on residual risk with concise technical recommendations.
• Build shared capability via reference implementations and reusable controls.

Conocimientos

Security engineering

AI threat judgment

Control engineering

Adversarial mindset

Automation capability

Clear communication

Educación

Bachelor’s Degree in a relevant field

Descripción del empleo

EY is recruiting for a security-focused role within Challenger to embed defenses across AI systems, data, tools, and processes. You will work with product and engineering teams to implement practical security controls and reusable patterns in a fast-moving, risk-aware environment.

Your responsibilities include shaping authority patterns, running adversarial tests, and delivering measurable coverage with evidence-based results.