Senior Cyber AI Engineer — Frontier AI for Cyber Defense

EY; San Diego (CA); Remote; USD 105,000 - 192,000; Full time

Job summary

EY is seeking a Cyber AI Engineer at the Senior Consultant level to work with client security and engineering teams, applying frontier AI cyber models to real security challenges. You will deploy AI workflows from prototype to production, with guidance from leaders, and contribute to architecture, code reviews, and delivery playbooks.

You'll translate use cases into engineering tasks, build secure AI solutions, and collaborate across engagements to deliver scalable, testable, and auditable

Qualifications

• Bachelor's degree in Cybersecurity, Computer Science, Information Systems, Engineering, or a related field and 3–5 years of relevant experience.
• Proficiency in Python, APIs, Git, automated testing, and production delivery, plus experience in deploying AI/ML solutions.
• Experience deploying frontier AI models or LLM applications for cybersecurity, building agents, model tool integrations, and evaluation harnesses.
• Understanding of prompt injection, data leakage, unsafe tool use, and safeguards informed by OWASP Top 10 for LLMs and MITRE ATLAS.
• Working knowledge of security architecture, identity and access management, data protection, and secure AI operations.

Responsibilities

• Deploy AI workflows for threat investigation, detection engineering, vulnerability analysis, and remediation support.
• Use retrieval, tool calling, and structured outputs; build evaluation datasets and test harnesses to measure performance.
• Own assigned technical deliverables, estimate tasks, and communicate progress to engagement leaders.
• Contribute to architecture, pair programming, code reviews, and integration troubleshooting while supporting Consultants.
• Collaborate with model providers and researchers to test capabilities and document deployment findings.

Skills

Frontier AI models

LLMs

Agentic architectures

Retrieval augmentation

Python proficiency

DevSecOps

CI/CD

Model integration

Threat analysis

Secure AI deployment

Education

Bachelor's degree in Cybersecurity / CS

Tools

Python

Git

APIs

CI/CD

AWS / Azure / GCP

Containerization

Job description

EY is seeking a Cyber AI Engineer at the Senior Consultant level to work with client security and engineering teams, applying frontier AI cyber models to real security challenges. You will deploy AI workflows from prototype to production, with guidance from leaders, and contribute to architecture, code reviews, and delivery playbooks.

You'll translate use cases into engineering tasks, build secure AI solutions, and collaborate across engagements to deliver scalable, testable, and auditable