What are the responsibilities and job description for the SAP Consultant position at Apexon?
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