The opportunity
EY’s General Tax Centre of Excellence Data & AI team plays a prominent role in leading client transformation initiatives that leverage Data & AI as core capabilities. The CoE seeks to architect reusable patterns and process blueprints to bootstrap scalability across all the EY Tax technology teams in all key markets. You will have an opportunity to stay on the leading edge of technology development and contribute to the successful transformation of EY Tax and its clients.

Role Purpose
The Data & AI Lead role is responsible for designing and architecting agentic tax workflows, underpinned by AI‑ready data products and robust data engineering.

This Role Sits At The Intersection Of

Tax domain understanding

Data architecture and engineering

Applied AI and agent orchestration

Key Responsibilities

Agentic Workflow & AI Design

Design agentic workflows for tax processes, including:

Task‑level agent responsibilities

Agent‑to‑agent communication patterns

Human‑in‑the‑loop and escalation models

Feedback loops and agent performance monitoring and evaluations





Define reusable agent blueprints aligned to Lean‑derived task definitions

Apply leading edge agentic‑driven design and build methodologies (e.g., use of Codex, Factory AI, GitHub Copilot)

Data Architecture & AI‑Ready Data Products

Design and oversee the build of AI‑ready data marts that:

Expose tax data at the right grain

Maintain lineage and quality controls

Support deterministic and probabilistic reasoning

Lead data ingestion and transformation from:

ERP systems

Tax platforms

Semi‑structured documents

External data sources

Agent Governance & Security

Apply design‑led thinking to embed agent and workflow governance and security

Ensure compatibility and integration with client’s governance models and technology (e.g., Microsoft Agent 365)

Design and embed real‑time controls and risk monitoring

Platform Strategy

Architect solutions deployable within client environments (e.g., Serv

📌 Data and AI Lead (Madrid)
🏢 Universia España
📍 Madrid