SAP Data Migration Consultant

Contract | Outside IR35 | Hybrid (Leeds 2-3 Days Per Week)

The Opportunity

We are supporting a large organisation undertaking a significant SAP transformation programme, moving from a legacy SAP ECC environment to a modern SAP landscape including SAP S/4HANA, SAP SuccessFactors Employee Central, Employee Central Payroll, Learning Management Systems, SAP Ariba, and other integrated platforms.

As the SAP Data Migration Consultant, you will play a critical role in ensuring employee, payroll and organisational data is accurately migrated, reconciled, validated and integrated across the new environment. This is a hands-on delivery role suited to someone who has successfully delivered multiple SAP migration programmes and can confidently challenge design decisions, data quality issues, and delivery approaches where required.

Key Responsibilities

Data Migration & Mapping

  • Lead the migration of HR and payroll data from SAP ECC HCM into SAP SuccessFactors Employee Central and Employee Central Payroll.
  • Produce and maintain detailed field-level mapping documentation covering:
    • Personnel data
    • Organisational structures
    • Payroll data
    • Pay components
    • Tax, pension and banking information
    • SAP HR infotypes
  • Define and document transformation rules, value mappings, default values and exception handling processes.
  • Map end-to-end data flows across SAP and non-SAP source systems, interfaces and middleware components.
  • Identify systems of record, data ownership and reconciliation requirements throughout the migration lifecycle.
  • Support cutover planning, delta loads and migration rehearsals.

Data Quality, Validation & Reconciliation

  • Establish robust data validation and reconciliation processes across migration, integration and payroll testing activities.
  • Define test scenarios, acceptance criteria and reconciliation evidence.
  • Conduct data quality reviews to identify gaps, inconsistencies and ownership issues early in the programme lifecycle.
  • Support payroll parallel runs and validate migration outcomes against agreed thresholds.
  • Ensure migrated data is complete, accurate, auditable and fit for operational use at go-live.

Stakeholder Engagement

  • Work closely with HR, Payroll, Finance, Technology and Programme stakeholders.
  • Facilitate workshops to gather requirements, clarify ownership and agree data decisions.
  • Translate technical data issues into language understandable by business users and senior stakeholders.
  • Review designs, migration approaches and deliverables produced by third-party suppliers and implementation partners.
  • Challenge delivery approaches where required and provide evidence-based recommendations.

Programme Delivery Support

  • Review migration and data load designs before build and deployment activities commence.
  • Monitor delivery against programme standards and design principles.
  • Track data-related risks, issues, assumptions and dependencies.
  • Provide regular updates on migration progress, testing outcomes and data readiness.

Essential Experience

Applicants should be able to demonstrate:

  • Extensive experience delivering data workstreams across SAP implementation, migration or transformation programmes.
  • Proven experience on at least two full SAP migration or implementation projects.
  • Strong practical experience with:
    • SAP ECC HCM
    • SAP Payroll
    • HR infotypes
    • Pay scales
    • Wage types
    • Payroll results
  • Experience migrating data into SAP SuccessFactors Employee Central.
  • Experience supporting Employee Central Payroll implementations or migrations.
  • Strong understanding of:
    • ETL processes
    • Data mapping
    • Data transformation
    • Data validation
    • Data reconciliation
  • Experience handling large volumes of employee and payroll data.
  • Ability to review and challenge third-party deliverables, migration strategies and quality standards.
  • Strong stakeholder engagement and documentation skills.
  • Knowledge of UK GDPR, data governance and payroll data handling requirements.
  • Excellent written and verbal communication skills.

Highly Desirable

  • Experience delivering ECC to SuccessFactors Employee Central migration programmes.
  • Experience integrating Employee Central and Employee Central Payroll with SAP S/4HANA.
  • Experience with:
    • Effective dating
    • Business rules
    • Data import templates
    • Payroll parallel runs

  • SAP certifications in:
    • SuccessFactors Employee Central
    • SAP HCM
    • SAP S/4HANA
  • Multi-country payroll experience, particularly UK and European payroll environments.
  • Experience working within large, complex organisational transformation programmes.

Location

  • Hybrid working model.
  • Expected travel to Leeds 2-3 days per week.

Contract Details

  • Contract opportunity.
  • Outside IR35.
  • Immediate start preferred.

This role would suit an experienced SAP Data Migration Consultant who combines strong technical migration capability with the ability to challenge, govern and improve data quality across a complex SAP transformation programme.

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