Client Technology - Architecture - Lead Software & AI Architect

The Opportunity

We are looking for a candidate who will be part of the Architecture team within the EY Client Technology's Engineering Architecture Practice. The candidate will be responsible for defining and delivering architectures and designs for business‑critical global products and platforms, with focus on scalable distributed systems, cloud‑native solutions, modern enterprise architectures, and agentic AI systems. You'll architect solutions hosted in a variety of infrastructure / environments considering reusability, scalability, reliability, observability, and modern design patterns in alignment with EY's mission and strategy. As an architect, you'll embody the principles of the architecture elevator—connecting strategic business vision with hands‑on technical implementation while bridging the gap between executive leadership and engineering teams.

You Will

• Build relationships across the business to understand their requirements and strategy, helping them build product / platform roadmaps including agentic AI solutions. Demonstrate architecture leadership to translate business requirements into architecture blueprints and innovative designs incorporating modern distributed systems patterns, microservices architectures, agent orchestration patterns, multi‑agent collaboration frameworks, and cloud‑native solutions.
• Own the overall technology, architecture and design landscape of products / platforms from solutioning to delivery to adoption phases, with deep understanding of distributed systems, containerization, orchestration platforms, agent frameworks (LangGraph, Microsoft Agent Framework), agent communication protocols (MCP, A2A), reasoning techniques, and enterprise security patterns.
• Design and implement enterprise‑scale distributed and agentic AI solutions using modern protocols and frameworks, with expertise in web APIs (REST, GraphQL), Model Context Protocol (MCP), Agent2Agent Protocol (A2A), containerization with Kubernetes, event‑driven architectures, and robust access control mechanisms using OAuth 2.0 / OpenID Connect, along with AI guardrails using frameworks like NeMo Guardrails, and Guardrails AI.
• Potentially lead engineering teams in a portfolio or large product, set the overall technology and architecture direction and own its end‑to‑end delivery in a lead architect's capacity. Act as the critical glue between Engineering, Product Management, AI Safety, and Operations teams, ensuring seamless collaboration and alignment across all stakeholders.
• Solve complex problems where scalable solutions may not currently exist, necessitating the ideation and incubation of new distributed system approaches, multi‑agent approaches, advanced reasoning patterns, modern architectural patterns, and cutting‑edge technologies. Conduct technical feasibility assessments, buy / build analysis for platforms, vendor product evaluations, proof of concepts (with hands‑on development) and present various solution options to the business with appropriate recommendations.
• Work closely with multi‑disciplinary teams including engineers, AI engineers, prompt engineers, AI safety specialists, data scientists, platform teams, and infosec to deliver modern architectures using optimized delivery approaches, ensuring compliance with enterprise standards, AI governance standards, security policies, and governance guidelines (OWASP GenAI Top 10).
• Provide leadership in product delivery to build and consume reusable functional and technical assets. Identify, define and implement reusable components, API libraries, containerized services, agent templates, reasoning patterns, tool integration libraries, evaluation frameworks, and architectural patterns that can be leveraged across the enterprise.
• Architect and design distributed systems and multi‑agent systems that can seamlessly interact with multiple enterprise systems, APIs, and data sources while maintaining security through proper authentication implementation and AI safety through guardrail implementation, scalability through containerization and Kubernetes orchestration, and reliability through event‑driven architecture patterns and observability via Open Telemetry evolving AI standards.
• Provide support to product and project managers in building plans, forecasts, estimations and costs for new products / platforms, including considerations for infrastructure resources, LLM API costs, token usage optimization, containerization costs, and ongoing platform operational requirements.
• Provide coaching, mentoring and support to development teams during the delivery phase across the ecosystem, frameworks and platforms. Ensure that developed artifacts comply with envisioned architecture and design, expected quality, security standards, AI safety standards, and recommended development practices through code reviews, prompt reviews, agent workflow validation, and architecture validation processes.
• Can work across multiple projects with varied stakeholders, operating as the architecture elevator that connects boardroom strategy with server room implementation. An architect sets architectural direction for scalable systems, builds consensus around technology strategy, mediates conflicts regarding implementation approaches, and provides technical leadership and advisory services while ensuring alignment between Engineering, Product Management, AI Safety, and Operations teams.
• Demonstrate excellent interpersonal communication and organizational skills required to operate as a leading member of global, distributed engineering teams. Excel at translating complex technical concepts (including agentic AI concepts) to business stakeholders and business requirements to engineering teams.
• Cultivate lasting relationships across business, IT, technology vendors, and industry experts to maintain insight into the broader technology landscape and agentic AI landscape as well as emerging trends. Understand new trends and emerging technologies in multi‑agent systems, reasoning techniques, AI safety, agent protocols, and how they apply to EY's business context.

To Qualify for the Role, You Must Have

Architecture & Leadership

Agentic AI & Advanced AI Systems

Ideally, You’ll Also Have

What We Look For

We want people who are self‑st, with a passion for modern technology innovation and agentic AI innovation, who can take initiative in rapidly evolving technology landscapes and drive digital transformation and AI transformation initiatives. If you can think critically and creatively to solve complex problems using modern distributed systems technologies, multi‑agent systems, advanced reasoning techniques, and enterprise‑grade AI safety frameworks, and can envision how scalable architectures and intelligent agents can transform enterprise operations, you will excel.

You should be comfortable working with culturally diverse teams including engineers, AI engineers, AI safety specialists, platform specialists, data scientists, and offshore development teams, which means you may need to work outside normal hours to collaborate with global engineering teams. Some travel may be required for technology conferences, AI conferences, client implementations, and international project collaboration.

You must demonstrate a deep commitment to AI safety and responsible AI practices, understanding that enterprise agentic AI systems require robust guardrails, continuous monitoring, and adherence to emerging regulatory frameworks. You should be comfortable balancing innovation velocity with safety, governance, and compliance requirements.

What we offer you

The compensation ranges below are provided in order to comply with United States pay transparency laws. Other geographies will follow their local salary guidelines, which may not be a direct conversion of published US salary ranges. At EY, we’ll develop you with future‑focused skills and equip you with world‑class experiences. We’ll empower you in a flexible environment, and fuel you and your extraordinary talents in a diverse and inclusive culture of globally connected teams. Learn more .

Are you ready to shape your future with confidence? Apply today.

EY accepts applications for this position on an on‑going basis.

For those living in California, please click here for additional information.

EY focuses on high‑ethical standards and integrity among its employees and expects all candidates to demonstrate these qualities.

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