Senior Lean Six Sigma Black Belt – Transformation Lead

Ernst & Young Advisory Services Sdn Bhd; Dublin; On-site; EUR 120,000 - 180,000; Full time

Benefits offered by this job

Hybrid Working

Pension

Discounted health insurance

Bike to work Scheme

Web Doctor

Job summary

EY in Dublin is seeking a Lean Six Sigma Black Belt Senior Manager to lead complex process-improvement programs across client engagements. You will decompose end-to-end processes, map value streams, and apply the 8 wastes framework to identify opportunities.

You will run statistical analyses using Minitab or advanced Excel, design experiments, and help shape AI-enabled process design. This role requires stakeholder engagement and cross-functional collaboration to deliver quantified business

Qualifications

• Proven delivery of Lean transformations in complex, regulated environments.
• Strong experience decomposing knowledge-heavy processes.
• Comfortable working alongside technologists, data engineers, and AI specialists.
• Experience presenting quantified improvement cases to senior stakeholders.
• Strong interpersonal, workshop facilitation skills.

Responsibilities

• Process Decomposition & Lean Analysis: decompose end-to-end processes, define inputs/outputs, decision points and exceptions; produce value stream maps with metrics; apply 8 Wastes framework to identify bottlenecks and opportunities, support business cases and transformation roadmaps.
• Statistical Analysis: apply statistical tools and hypothesis testing to identify root causes, validate improvements, and predict outcomes using regression, ANOVA, correlation, DOE, SPC and process capability.
• AI‑Ready Process Design: identify tasks suitable for agent execution; standardise, auditable and scalable designs across jurisdictions and clients.
• CoE & Capability Development: develop reusable Lean artefacts and patterns; coach client and EY teams on Lean-led AI enablement.

Skills

Lean Six Sigma Black Belt

Process decomposition

Statistical analysis

AI-ready process design

Tools

Minitab

Excel

Job description

EY in Dublin is seeking a Lean Six Sigma Black Belt Senior Manager to lead complex process-improvement programs across client engagements. You will decompose end-to-end processes, map value streams, and apply the 8 wastes framework to identify opportunities.

You will run statistical analyses using Minitab or advanced Excel, design experiments, and help shape AI-enabled process design. This role requires stakeholder engagement and cross-functional collaboration to deliver quantified business