Mars

Senior Data Migration Lead

Mars

full-time

Posted on:

Location Type: Hybrid

Location: Slough • United Kingdom

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Job Level

Senior

Tech Stack

ERPETL

About the role

  • Responsible for the delivery of the data migration strategy, solution and processes to enable programme deliverables within S/4HANA and SAP MDG.
  • Own and manage the S/4HANA programme Data Migration workstream, including planning, strategy, scope, governance and quality control.
  • Develop the data migration strategy and approach for the Programme, including data objects, extraction, transformation, load (ETL), validation methods and sequencing.
  • Oversee the build of the data migration tooling, templates and scripts, ensuring repeatable and auditable processes.
  • Ensure data quality and compliance, implementing controls, data cleansing plans, and issue resolution processes.
  • Manage cross functional dependencies, including integration with master data management, MDG, functional configuration, reporting and testing teams.
  • Support deployment teams in the application of the data migration strategy to each release.
  • Ensure the co-ordination of mock loads, data validation and reconciliation activities during unit testing, SIT, UAT and cutover rehearsals.
  • Produce key data migration documentation, including data migration registers, load plans, migration status reports and cutover execution guides.
  • Support cutover and go-live activities ensuring successful data loads, validation sign-off and issue resolution.

Requirements

  • 5-10 years’ experience leading SAP data migration across major ERP transformation or S/4HANA migration programmes.
  • Experience of delivering complex, phased, multi-object data migrations in at least 3 full lifecycle ERP/SAP large-scale global programmes.
  • Strong understanding of SAP master data and transactional data objects (e.g., material master, customer/vendor, BOMs, routings, FI/CO objects, sales orders, purchase orders).
  • Hands-on experience with SAP S/4HANA migration tools and methodologies including: SAP S/4HANA Migration Cockpit and Syniti Advanced Data Migration and Management (ADMM).
  • Strong knowledge of ETL processes, data modelling, transformation logic, validation, and reconciliation techniques.
  • Experience coordinating mock loads, data reconciliation, and cutover rehearsals.
  • Excellent stakeholder management, communication, and reporting skills with senior project leadership.
  • Ability to manage distributed teams, including offshore resources and third-party vendors.
Benefits
  • An industry competitive salary and benefits package, including company bonus.
  • A strong focus on learning and development support from day one, including access to our in-house Mars University.
Applicant Tracking System Keywords

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

Hard Skills & Tools
data migration strategydata extractiondata transformationdata loading (ETL)data validationdata cleansingdata reconciliationSAP master datatransactional data objectsdata modelling
Soft Skills
stakeholder managementcommunication skillsreporting skillsteam managementissue resolution