> Markdown version of [/jobs/ext/1205262-sap-s-4hana-abap-developer-brownfield-greenfield](https://www.wearedevelopers.com/jobs/ext/1205262-sap-s-4hana-abap-developer-brownfield-greenfield). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # SAP S/4HANA/ABAP Developer (Brownfield/Greenfield) - **Company:** Peraton Inc - **Location:** Prince Frederick, MD, United States (Remote available) - **Experience:** Expert - **Salary:** $86,000.0 - $138,000.0 - **Contract:** Permanent contract - **Skills:** Advanced Business Application Programming (ABAP), Microsoft Biztalk Servers, Configuration Management, Custom Software, Electronic Data Interchange (EDI), Middleware, IDoc, Role-Based Access Control, Release Management, Migration Manager, SAP (Applications), SAP CRM, Simple Object Access Protocol (SOAP), Software Deployment, Data Streaming, Systems Integration, Sap Fiori, SAP S/4HANA, Restful APIs - **Published:** July 8, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=209ce8cf1acaed46 ## About the Role * Bachelor's degree with 5 years of relevant experience, OR High School diploma with 9 years of relevant experience. * S/4HANA Expertise: Minimum of 5 years of direct S/4HANA experience. * Migration Experience: At least 5 years of hands-on SAP Brownfield migration experience. * Integration Stack: Proven working experience with EDI (IDocs), integrations with SOAP and REST, and specific experience connecting SAP with BizTalk. * Solid understanding of both Greenfield and Brownfield development strategies. * Must be a US Citizen or Green Card Holder * Must be able to obtain/maintain the required agency clearance., * Prior experience supporting the CDC or other Federal Government programs. * Active CDC Clearance. * Experience working in highly regulated public-sector environments. * Strong cross-functional communication skills. ## Description 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., * 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 ## Related Videos - [Replacing Excel with SAP APIs & Python validation](https://www.wearedevelopers.com/videos/1944-replacing-excel-with-sap-apis-python-validation) - [Headless by Design: Building Enterprise Systems That Agents Can Actually Use](https://www.wearedevelopers.com/videos/100092-headless-by-design-building-enterprise-systems-that-agents-can-actually-use) - [How One Developer Built the Back Office for 10 Million Companies](https://www.wearedevelopers.com/videos/100082-how-one-developer-built-the-back-office-for-10-million-companies) - [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider) - [AI Pair Programming with GitHub Copilot at SAP: Looking Back, Looking Forward!](https://www.wearedevelopers.com/videos/1546-ai-pair-programming-with-github-copilot-at-sap-looking-back-looking-forward) ## Related Articles - [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer) - [Jobs in Germany for Americans](https://www.wearedevelopers.com/magazine/423-jobs-in-germany-for-americans) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Finding Jobs in Germany](https://www.wearedevelopers.com/magazine/375-finding-jobs-in-germany)