Job Description

Job Description

SAP SME Consultant (ABAP | ECC & S/4HANA) - ONSITE

Location: Neenah, WI or Oconomowoc, WI (Onsite)

Role Overview

We are seeking a highly skilled SAP ABAP Consultant to serve as a Subject Matter Expert (SME) for validating client technical specifications related to moving data from SAP ECC and S/4HANA into a data lake . This role focuses on reviewing and reverse-engineering ABAP technical specs, custom Z-tables, and extraction logic to ensure accurate data mapping, business logic interpretation, and readiness for downstream ETL development.

The ideal candidate brings deep hands-on ABAP experience, strong analytical skills, and the ability to collaborate effectively with functional teams, data engineers, and client stakeholders.

Qualifications

• 12–15 years of SAP ABAP experience, with 3+ years in S/4HANA
• Experience with ECC to S/4HANA migration projects
• Strong understanding of FI, CO, SD, MM, PP, and SRM modules
• Exposure to SAP BW / BI is a plus

Key Responsibilities

• Review and understand technical specifications written by ABAP developers for ECC and S/4HANA systems.
• Analyze and reverse engineer custom Z-tables and ABAP programs across SAP modules (FI, MM, SD, HR, etc.).
• Collaborate with SAP functional teams to understand business logic, dependencies, and data flows .
• Prepare and validate detailed technical documentation, including:
• Data extraction logic
• Field-level mappings
• Business rule interpretation
• Source-to-target data lineage
• Review technical specification documents and raise clarifications to ensure data engineers can build accurate and efficient data lake ETL pipelines.

Required Skills & Experience

Core ABAP (ECC & S/4HANA)

• Classical and OO ABAP programming
• ALV Reports (Classical & OO)
• BDC, BAPI, RFC
• SmartForms and Adobe Forms
• User Exits, Customer Exits, BADIs
• Function Modules, Modularization techniques, Macros

Advanced ABAP (S/4HANA-centric)

• CDS Views (Basic & Composite)
• AMDP (ABAP Managed Database Procedures)
• OData services and Fiori integration
• ABAP RESTful Programming Model (RAP)
• CDS Annotations
• Business Object Processing Framework (BOPF)

Data Handling & Extraction

• Z-table data extraction with joins, filters, and delta logic
• Performance tuning of SELECT statements
• Open SQL and Native SQL
• 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 documentation and transformation rules
• Functional-to-technical traceability

Why Join Us

• Work on complex SAP-to-data-lake initiatives
• Play a key SME role influencing enterprise data strategy
• Collaborate with cross-functional and data engineering teams

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