Data Migration Specialist (S/4HANA) Inside IR a day. Hybrid

Location: Crawley(Hybrid)
Contract Type: Inside IR35 (Approx. 18 months) Hybrid 3 days onsite in Crawley
Project Phase: Data Load & Cutover Support

We are seeking a highly analytical and delivery-focused Data Migration Specialist to support a critical S/4HANA implementation. The successful candidate will provide day-to-day operational support to the Data Migration team and act as the primary triage lead during Migration Rehearsal, data load cycles, and Cutover.

You will serve as the first line of defence during data load execution, rapidly identifying, troubleshooting, and resolving load failures across multiple functional modules. The role requires strong analytical ability, deep SAP data knowledge, and the capability to operate effectively in time-critical delivery phases.

Data Load Triage & Troubleshooting

• Monitor active migration loads and immediately investigate errors or fallouts.

• Provide rapid diagnosis and resolution during rehearsal and cutover cycles.

Root Cause Analysis (RCA)

• Identify whether failures are caused by:

  • Data issues (formatting, missing values, logic inconsistencies), or

  • Technical/system issues (IDoc failures, mapping errors, BAPI failures).

Defect Management

• Document technical or mapping-related issues clearly.

• Raise and track formal defects with the implementation partner through to resolution.

Business Advisory

• Collaborate closely with Business Data Leads to resolve data-led errors.

• Provide clear guidance on data cleansing, transformation, and remediation.

Cross-Module Migration Support

• Provide hands-on expertise across multiple domains including:

  • Master data (Material, Vendor, Customer, Finance)

  • Transactional data

Delivery Assurance

• Ensure migration milestones and phase deliverables are met across the SAP implementation lifecycle.

• Proven experience in at least one full-cycle S/4HANA migration.

• Strong expertise in data migration tooling and advanced Excel skills.

• Deep understanding of SAP data structures across multiple modules (e.g., FI/CO, MM, SD, PP).

• Strong knowledge of core SAP processes including OTC (SD), PTP, and RTR.

• Ability to analyse logs and trace errors back to source data or target system configuration.

• Exposure to Sales or Service CRM platforms.

• Experience working in large-scale transformation programmes.

• Familiarity with migration rehearsals and structured cutover planning.

• Highly organised with strong prioritisation skills.

• Delivery-focused with a proactive, solutions-oriented mindset.

• Strong collaborator and team player.

• Ability to translate complex technical issues into clear, business-friendly language.

• Comfortable working in high-pressure, fast-paced environments, particularly during critical migration windows.