Senior AI Knowledge Architect & Data Foundations

EY is seeking a senior architect to shape the knowledge foundation for AI products and agents. You will own architecture, decision principles, and a federated memory approach that respects domain ownership while ensuring durable interfaces and lifecycle controls. You will lead lighthouse implementations from prototype to production, establishing scalable patterns for retrieval, grounding, and explainability. A strong background in data/semantic systems and cross‑functional leadership is required.