Senior AI Architect & Lead Agent Control Systems

EY; Cincinnati (OH); Hybrid; USD 144,000 - 329,000; Full time

Benefits offered by this job

Hybrid work model

Total Rewards package

Job summary

EY in the United States seeks a Lead AI Software Architect to lead a team of domain experts in designing and implementing a universal AI agent control harness. The role focuses on multi-agent systems, tool usage, state management, authentication, observability, and tuning environments.

You will drive architecture, mentor engineers, collaborate across AI, Security, Data, and Infrastructure, and contribute to strategic business development and IP filings.

Qualifications

• Advanced degree in Electrical Engineering, Computer Science or Mathematics.
• 10+ years of experience in software engineering and AI.
• Experience with multi-agent system administration and modern secrets management.
• Familiar with AI native software development tools / code assist (Cursor, Claude Code, Qodo/Codium, Gemini, AWS Q, GitHub)
• Proficiency in scripting languages (Python, Bash, Typescript) and software languages (Go, Rust, Java).
• Understanding of AI Native design process and principles
• Experience with cryptographic methods of identity and auth.
• Experience with CI/CD pipelines and modern code hosting (GitHub/Gitlab/Azure DevOps).
• Experience with Nvidia NVAIE, AWS and MSFT Azure AI stacks.

Responsibilities

• Design of control harness intelligence systems including multiagent systems and associated tools and scaffolding.
• Design architectures for agent identity and authentication in large scale multi-agent enterprise systems.
• Design of post training and tuning/customization environments.
• Design of synthesis models for AI open-source models.
• Implement and test these architectures benchmarking performance against agent and human designed evals.
• Drive agent design requirements and implement through AI Native design process.
• Collaborate with other architectural experts in AI, Security, Data and Infrastructure to insure balanced and practical outcomes.
• Support strategic business development activities for emerging technology as required.

Skills

Analytical skills

Leadership

Cross-functional collaboration

Stakeholder management

Emotional intelligence

Critical thinking

Team motivation

Education

Advanced degree (Electrical Engineering, CS or Math)

Tools

Python

Bash

TypeScript

Go

Rust

Java

Job description

EY in the United States seeks a Lead AI Software Architect to lead a team of domain experts in designing and implementing a universal AI agent control harness. The role focuses on multi-agent systems, tool usage, state management, authentication, observability, and tuning environments.

You will drive architecture, mentor engineers, collaborate across AI, Security, Data, and Infrastructure, and contribute to strategic business development and IP filings.