SAP S/4HANA/ABAP Developer (Brownfield/Greenfield)

Responsibilities We are seeking a highly skilled SAP S/4HANA/ABAP Developer (Brownfield/Greenfield) to support a critical modernization initiative for the Centers for Disease Control and Prevention (CDC). This role is instrumental in delivering a stable, scalable, and well-documented SAP S/4HANA Customer Management (CM) solution as part of the agency’s transition from SAP CRM. The ideal candidate will bring S/4HANA experience, specifically within Brownfield migrations, custom development, and complex middleware integrations connecting SAP with BizTalk. What You Will Do: S/4HANA Development & Migration Lead Brownfield technical development efforts to transition custom SAP CRM code to SAP S/4HANA Customer Management (CM). Code Remediation: Optimize legacy code for compatibility and performance within the S/4HANA environment, conducting thorough impact analysis and testing. Migration Strategy: Execute technical workstreams for SAP Brownfield conversions, ensuring system stability during the transition from legacy environments. Advanced Integration & Middleware Architect Interfaces: Design and develop robust integrations using EDI (IDocs) for asynchronous data exchange. Modern Connectivity: Implement and manage integrations using SOAP and REST web services. Middleware Management: Lead integration activities specifically connecting SAP with BizTalk to ensure seamless data flow across the agency’s landscape. Fiori Enablement Deploy Applications: Enable and deploy SAP Fiori applications to modernize the user experience. Configuration: Design and configure Fiori Spaces, Pages, and Catalogs while collaborating with Security teams for role-based access control. Governance & Best Practices Apply best practices in Change Management, Release Management, and Configuration Management within a structured federal framework. Ensure thorough technical documentation to mitigate migration risk and support long-term sustainability Qualifications Basic Qualifications: Bachelor’s degree wi