SAP SME Techno Functional Consultant

Oconomowoc WI – ( onsite) Experience:14+ Years 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. Required Skills & Experience • Core ABAP (ECC & S/4HANA) experience to review and validate technical specifications: • Classical & OO ABAP programming experience • ALV Reports (Classical and OO) BDC, BAPI, RFC, SmartForms, Adobe Forms • User Exits, Customer Exits, BADIs • Function Modules, Modularization, Macros • Advanced ABAP (S/4HANA-centric) experience to review and validate technical specifications: • CDS Views (Basic & Composite) • AMDP (ABAP Managed Database Procedures) • OData Services and Fiori integration • ABAP RESTful Programming Model (RAP) • Core Data Services annotations • Business Object Processing Framework (BOPF) • Data Handling & Extraction experience to review and validate technical specifications: • Z-table extraction with joins, filters, delta logic • Performance tuning of SELECT statements • Open SQL and Native SQL usage • Data dictionary object creation (Z tables, views, domains, data elements) • Handling clustered and pooled tables (ECC legacy) • 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 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