SAP S/4HANA Finance Data migration Lead

Job Title SAP S/4HANA Finance Data Migration Lead Start Date: ASAP Location: London (hybrid) Duration: 3 months (possibility of extension)

Role Overview

We are seeking a highly experienced SAP S/4HANA Finance Data Test Lead to own and drive the data validation and reconciliation testing strategy across a major SAP Finance transformation.

The organisation is migrating from SAP ECC to SAP S/4HANA, where high-quality, reconciled, and audit-compliant financial data is critical to programme success. This role will work closely with Finance SMEs, D&T teams, Data Migration Leads, and System Integrator (SI) partners to ensure data integrity across all testing phases and through to go-live.

The successful candidate will bring deep SAP Finance data expertise, alongside experience leveraging AI-driven tools to accelerate reconciliation, validation, and defect analysis.

Key Responsibilities

Data Test Strategy & Governance

• Define and own the Finance data migration strategy.
• Establish reconciliation principles across SAP ECC and SAP S/4HANA.
• Define data validation checkpoints for each test phase (SIT, UAT, Dress Rehearsal, Go-Live).
• Ensure compliance with audit and financial control requirements.

Data Migration & Reconciliation

• Validate migrated data including:

• General Ledger balances

• Open AP/AR items

• Fixed Assets

• Cost Centres and Profit Centres

• Vendor and Customer master data

Lead trial migration validation cycles.

Define automated reconciliation frameworks.

Ensure financial sign-off readiness.

AI-Enabled Data Acceleration

• Leverage AI tools to:

• Automate reconciliation comparisons between ECC and S/4HANA

• Identify anomalies and data inconsistencies

• Accelerate root cause analysis of migration defects

• Support intelligent sampling and risk-based validation

Improve efficiency and accuracy of financial data testing.

Stakeholder Collaboration

• Work closely with Data Migration Leads and SI teams to resolve defects.
• Partner with Finance SMEs to validate financial accuracy and business usability.
• Collaborate with D&T colleagues to ensure integration data consistency.
• Support internal and external audit queries related to data migration.

Cutover & Hypercare

• Validate final migration loads.
• Support dress rehearsals and cutover readiness assessments.
• Provide data validation support during hypercare.
• Ensure a clean transition to BAU with reconciled and signed-off data

Skills & Experience Required

• 8+ years SAP Finance experience with a strong focus on data migration and testing.
• Proven experience supporting SAP ECC to SAP S/4HANA transformations.
• Deep understanding of SAP Finance tables, data structures, and reconciliation processes.
• Strong financial controls and audit awareness.
• Experience using AI or advanced analytics tools for data validation and reconciliation.
• Strong stakeholder engagement skills across Finance, D&T, and SI environments.
• Retail sector experience is desirable.

• 8+ years SAP Finance experience with a strong focus on data migration and testing.
• Proven experience supporting SAP ECC to SAP S/4HANA transformations.
• Deep understanding of SAP Finance tables, data structures, and reconciliation processes.
• Strong financial controls and audit awareness.
• Experience using AI or advanced analytics tools for data validation and reconciliation.
• Strong stakeholder engagement skills across Finance, D&T, and SI environments.
• Retail sector experience is desirable.