SAP SME Consultant

Job Description: SAP SME Consultant Location: Wisconsin (Onsite) Role Overview We are seeking a highly skilled SAP ABAP Consultant with deep experience across ECC and S/4HANA environments and can work as a SAP SME for validating client Tech Specs for moving data from SAP to a data lake ( primarily written for SAP data sources ). The ideal candidate will be proficient in custom development, Z-table data extraction, and validating detailed technical documentation that maps extracted data to business logic. This role requires strong analytical capabilities, cross-functional collaboration, and strong client communication skills. Key Responsibilities • Understand technical specifications that are written by ABAP developer on ABAP programs in ECC and S/4HANA systems. • Analyze technical specifications that are written to reverse engineer the custom Z-tables across modules (FI, MM, SD, HR, etc.). • Collaborate with functional teams to understand business logic and data dependencies. • Prepare comprehensive technical documentation including: • Data extraction logic • Field-level mappings • Business rule interpretation • Source-to-target lineage Responsible to review the technical specification document and ask the right clarifications such that data engineers could then use the technical specification to develop data lake ETL routines. Preferred Qualifications • 8-10 years of SAP ABAP experience with at least 3 years in S/4HANA. • Experience in ECC to S/4HANA development & migration projects. • Good understanding of FI, CO, SD, MM, PP & SRM processes and modules. • Exposure to BI/ BW is an added advantage Required Skills & Experience Core ABAP (ECC & S/4HANA) experience to review and validate technical specifications: 1. Classical & OO ABAP programming experience 1. ALV Reports (Classical and OO) 1. BDC, BAPI, RFC, SmartForms, Adobe Forms 1. User Exits, Customer Exits, BADIs 1. Function Modules, Modularization, Macros Advanced ABAP (S/4HANA-centric) experience to review and validate technical specifications: 1. CDS Views (Basic & Composite) 1. AMDP (ABAP Managed Database Procedures) 1. OData Services and Fiori integration 1. ABAP RESTful Programming Model (RAP) 1. Core Data Services annotations 1. Business Object Processing Framework (BOPF) Data Handling & Extraction experience to review and validate technical specifications: 1. Z-table extraction with joins, filters, delta logic 1. Performance tuning of SELECT statements 1. Open SQL and Native SQL usage 1. Data dictionary object creation (Z tables, views, domains, data elements) 1. Handling clustered and pooled tables (ECC legacy) 1. Documentation & Technical Design Technical Specification Document (TSD) preparation, review and validation • Field-level mapping and source-to-target lineage • Business logic annotation and transformation rules • Functional-to-technical traceability