Senior Manager - Lead AI Architect - Knowledge AI

EY; Tucson (AZ); On-site; USD 144,000 - 329,000; Full time

Job summary

EY is seeking an experienced Lead AI Software Architect to design memory architectures and data fabrics for enterprise use cases. You will lead a team of AI Architects focused on multi-agent systems, RAG, semantic chunking, and scalable inference strategies in a fast-paced environment.

The role requires 10+ years in software engineering and AI, experience with frontier models and AI native tooling, and strong leadership to mentor the Knowledge/Data team and drive architecture decisions across

Qualifications

• Advanced degree in a technical field and strong AI foundation.
• 10+ years in software engineering and AI with leadership experience.
• Experience with frontier models and memory/context architectures.
• Familiarity with AI native code tools and modern development stacks.

Responsibilities

• Design memory architectures for multi-agent systems across AI-native designs.
• Develop context systems with RAG, semantic chunking, and search.
• Benchmark architectures against AI/evaluations and real workloads.
• Create reusable integration frameworks for cross-system memory usage.
• Drive design requirements and implement via AI-native processes.
• Review emerging memory architectures and frontier model proposals.
• Collaborate with AI, Security, Data, and Infra teams for practical outcomes.
• Mentor Knowledge/Data team and contribute to IP development.

Skills

AI frontier models

Memory architectures

Multi-agent systems

RAG

Semantic chunking

Inference optimization

AI native tooling

CI/CD

Python

Go

Rust

Java

NVIDIA NVAIE

Azure AI

Education

Advanced degree in Electrical Engineering, Computer Science or Mathematics

Tools

Cursor

Claude Code

Qodo/Codium

Gemini

AWS Q

GitHub

Github/Gitlab/Azure DevOps

Job description

Location: Anywhere in Country

At EY, we’re all in to shape your future with confidence.

We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help to build a better working world.

The opportunity

We’re hiring an experienced agent Lead AI Software Architect that is an expert in designing and implementing AI memory architectures and data fabric for complex enterprise use cases. This role is for Lead Architect who will lead a team of AI Architects who understand how to build advance memory architectures, context design, data fabrics for AI, multi-agent memory communication systems. They should be familiar with short term/long term, episodic, semantic, associative and advanced structural memory design patterns. Both dedicated, shared and federated memory architectures. Familiar with algorithmic approaches to selective retention and decay strategies. RAG, skills and other context setting capabilities using advance semantic chunking and search capabilities. Understanding of inference optimization including distributed inference for prefill and decode, pipelining architectures/batching of inference. The successful candidate is someone who has experience in enterprise multiagent design patterns. Understanding of AI pre/post training, fine tuning/customization and model synthesis a plus. The candidate should thrive in fast-paced environments and are passionate about enabling scalable AI solutions.

Your Key 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 And Attributes For Success

• Strong analytical and troubleshooting skills.
• Ability to lead software architectural product functions and mentor junior engineers.
• Comfort working across cross-functional teams and managing competing priorities.
• Build and manage strong internal and external partnerships by fostering trust, empathy, and mutual value.
• Leverage emotional agility and hybrid collaboration to navigate diverse stakeholder needs and drive long-term engagement.
• Use critical thinking and creative reasoning to address complex problems and exceed expectations.
• Align cross-functional teams around shared goals, ensuring accountability and progress. Use emotional intelligence and hybrid collaboration to motivate others and deliver high-impact results.

To qualify you must have

• Advanced degree in Electrical Engineering, Computer Science or Mathematics.
• 10+ years of experience in software engineering and AI.
• Experience working with AI Frontier models and memory / context architectures
• Use of AI native software development tools / code assist (Cursor, Claude Code, Qodo/Codium, Gemini, AWS Q, GitHub)
• Familiarity with scripting languages (Python, Bash etc….) and software languages (Go, Rust, Java etc…).
• Understand AI Native design process and principles
• Deep understanding of model fine tuning and customization through context management (RAG, SFT, LoRA/PEFT etc…)
• Experience with modern software IDE, CI/CD pipeline, modern code hosting and collaboration (Github/Gitlab/Azure DevOps etc…)
• Experience with Nvidia NVAIE and MSFT Azure AI stacks.

Ideally, you'll also have

• Experience with large-scale cross functional software development projects.
• Excellent communication and leadership abilities.

What We Offer You

• We offer a comprehensive compensation and benefits package where you’ll be rewarded based on your performance and recognized for the value you bring to the business. The base salary range for this job in all geographic locations in the US is $144,000 to $329,100. The base salary range for New York City Metro Area, Washington State and California (excluding Sacramento) is $172,800 to $374,000. Individual salaries within those ranges are determined through a wide variety of factors including but not limited to education, experience, knowledge, skills and geography. In addition, our Total Rewards package includes medical and dental coverage, pension and 401(k) plans, and a wide range of paid time off options.
• Join us in our team-led and leader-enabled hybrid model. Our expectation is for most people in external, client serving roles to work together in person 40-60% of the time over the course of an engagement, project or year.
• Under our flexible vacation policy, you’ll decide how much vacation time you need based on your own personal circumstances. You’ll also be granted time off for designated EY Paid Holidays, Winter/Summer breaks, Personal/Family Care, and other leaves of absence when needed to support your physical, financial, and emotional well-being.

EY | Building a better working world

EY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets.

Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow.

EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multi-disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories.

EY provides equal employment opportunities to applicants and employees without regard to race, color, religion, age, sex, sexual orientation, gender identity/expression, pregnancy, genetic information, national origin, protected veteran status, disability status, or any other legally protected basis, including arrest and conviction records, in accordance with applicable law.

EY is committed to providing reasonable accommodation to qualified individuals with disabilities including veterans with disabilities. If you have a disability and either need assistance applying online or need to request an accommodation during any part of the application process, please call 1-800-EY-HELP3, select Option 2 for candidate related inquiries, then select Option 1 for candidate queries and finally select Option 2 for candidates with an inquiry which will route you to EY’s Talent Shared Services Team (TSS) or email the TSS at [e-mail].