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EY

Six Sigma Black Belt – Tax Process Reinvention

EY

Six Sigma Black Belt role in Tax Process Reinvention, focusing on Lean and AI optimization. Join EY to improve tax processes using advanced methodologies and technologies.

Posted 7/3/2026full-timeLondon • 🇬🇧 United KingdomMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in Lean Six Sigma methodologies, particularly in leading DMAIC reviews and delivering Lean transformations in regulated environments. Proficient in decomposing complex tax processes and collaborating with technical teams to drive process improvements.

Highest-signal resume keywords
Certified Six Sigma Black BeltLean TransformationsProcess DecompositionWorkshop FacilitationStakeholder Presentation

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Lean Six SigmaDMAICProcess Improvement8 Wastes FrameworkQuantified Improvement Cases
Soft Skills
Interpersonal SkillsWorkshop Facilitation
Tools & Technologies
Data & AI Architect Collaboration
Certifications & Qualifications
Certified Six Sigma Black Belt
Industry Keywords
TaxFinanceComplianceRegulated Environments

About the role

Key responsibilities & impact
  • Lead Lean Six Sigma DMAIC reviews across Tax service lines (CIT, PAS, Indirect Tax, Transfer Pricing, WHT)
  • Decompose end‑to‑end tax processes to atomic task level
  • Apply the 8 Wastes framework systematically to identify non‑value‑added activity
  • Partner closely with the Data & AI Architect to define Human‑in‑the‑Loop control points
  • Develop reusable Lean artefacts and patterns for repeat client delivery

Requirements

What you’ll need
  • Certified Six Sigma Black Belt (or equivalent practical experience)
  • Proven delivery of Lean transformations in complex, regulated environments
  • Strong experience decomposing knowledge‑heavy processes (tax, finance, compliance, or adjacent domains)
  • Comfortable working alongside technologists, data engineers, and AI specialists
  • Experience presenting quantified improvement cases to senior stakeholders
  • Strong interpersonal, workshop facilitation skills

Benefits

Comp & perks
  • Competitive salary
  • Flexible working hours
  • Professional development budget
  • Home office setup allowance
  • Global team events