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 1215 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
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 1215 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