Senior AI Architect — Multi-Agent Systems Leader

EY; Portland (OR); Hybrid; USD 144,000 - 329,000; Full time

Benefits offered by this job

Hybrid work model

Medical and dental coverage

Pension and 401(k)

Paid time off

Flexible vacation policy

Job summary

EY in the United States is seeking an experienced Lead AI Software Architect to design and implement memory architectures and data fabrics for complex enterprise use cases. You will lead a team of AI Architects to build advanced multi-agent memory systems and distributed inference.

The role requires deep expertise in RAG, semantic chunking, context management, and model fine-tuning. You’ll collaborate with security, data and infra teams, mentor engineers, and drive strategic development while

Qualifications

• Advanced degree in Electrical Engineering, CS or Mathematics.
• 10+ years in software engineering and AI.
• Experience with AI frontier models and memory/context architectures.
• Experience with AI native tools and code assist platforms.
• Proficiency in scripting languages (Python, Bash) and languages like Go, Rust, Java.
• Understanding of AI native design processes and context management (RAG, SFT, LoRA/PEFT).
• Experience with IDEs, CI/CD pipelines, and modern collaboration tools.
• Experience with Nvidia NVAIE and MS Azure AI stacks.

Responsibilities

• Design memory architectures for multi-agent systems to be replicated across AI native designed systems.
• Design of context systems including RAG and Skills with semantic chunking and search.
• Implement and test these architectures benchmarking performance against agent and human designed evals.
• Design replicable integration frameworks for use of memory architecture across multiple systems.
• Drive agent design requirements and implement through AI Native design process.
• Assess through primary and secondary research emerging memory architectures and frontier model proposals.
• 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.
• Present at academic conferences and support development of IP filings
• Hands on coding and mentoring other members of the Knowledge / Data team
• Lead a group of skilled experts in building Knowledge and data systems for Knowledge AI.

Skills

Leadership

Mentoring

Cross-functional work

Critical thinking

Advanced problem solving

Communication

Team collaboration

Emotional intelligence

Strategic thinking

Education

Advanced degree in Electrical Engineering, Computer Science or Mathematics

Tools

Cursor

Claude Code

Qodo/Codium

Gemini

AWS Q

GitHub

NVIDIA NVAIE

Azure AI stacks

Python

Go

Rust

Java

CI/CD pipelines

GitLab

Azure DevOps

Job description

EY in the United States is seeking an experienced Lead AI Software Architect to design and implement memory architectures and data fabrics for complex enterprise use cases. You will lead a team of AI Architects to build advanced multi-agent memory systems and distributed inference.

The role requires deep expertise in RAG, semantic chunking, context management, and model fine-tuning. You’ll collaborate with security, data and infra teams, mentor engineers, and drive strategic development while