Lead AI Architect – Multi-Agent Control Systems

EY; Sacramento (CA); On-site; USD 144,000 - 329,000; Full time

Benefits offered by this job

Total Rewards package

Hybrid work model

Medical and dental coverage

Pension and 401(k)

Paid time off

Job summary

EY is seeking an experienced Lead AI Software Architect to head a team of domain experts in designing and implementing AI Agent Control. The role emphasizes building universal, scalable agentic systems with strong emphasis on authentication, observability, and post-training environments.

You will collaborate with AI, Security, Data and Infra teams to deliver high-impact solutions while supporting business development and IP efforts across a hybrid work model.

Qualifications

• Advanced degree in Electrical Engineering, CS or Mathematics.
• 10+ years in software engineering and AI.
• Experience with multi-agent system administration and secret management.
• Experience with AI-native dev tools like Cursor, Claude Code, Qodo/Codium, Gemini, AWS Q, GitHub.
• Familiar with Python, Bash, TypeScript and Go, Rust, Java.
• Understand AI Native design process and principles.
• Experience with cryptographic identity/auth methods.
• Experience with CI/CD and modern code hosting (GitHub/GitLab/Azure DevOps).
• Experience with Nvidia NVAIE, AWS and Azure AI stacks.

Responsibilities

• Design control harness intelligence systems including multiagent tools.
• Architect agent identity and authentication at scale.
• Design post-training and tuning environments.
• Develop synthesis models for AI open-source models.
• Implement benchmarks and test architectures against evals.
• Lead a team building universal agentic control harnesses.
• Collaborate with AI, Security, Data and Infra teams for balanced outcomes.
• Support strategic business development for emerging tech.
• Present at academic conferences and assist IP filings.
• Hands-on development of advanced AI agent capabilities.

Skills

Advanced degree

10+ years AI experience

Multi-agent systems

AI tooling

Programming languages

Identity authentication

CI/CD & IDE

Cloud AI stacks

Education

Advanced degree in Electrical Engineering, CS or Mathematics

Tools

Cursor, Claude Code, Qodo/Codium, Gemini, AWS Q, GitHub

Job description

EY is seeking an experienced Lead AI Software Architect to head a team of domain experts in designing and implementing AI Agent Control. The role emphasizes building universal, scalable agentic systems with strong emphasis on authentication, observability, and post-training environments.

You will collaborate with AI, Security, Data and Infra teams to deliver high-impact solutions while supporting business development and IP efforts across a hybrid work model.