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# SAP Interface Subject Matter Expert

- **Company:** Accenture
- **Location:** Washington, DC, United States
- **Experience:** Expert
- **Salary:** $124,000.0 - $246,400.0
- **Contract:** Permanent contract
- **Skills:** Unit Testing, COBOL (Programming Language), Data Mapping, Software Debugging, Middleware, Network Interface Controllers, IDoc, SAP (Applications), System Integration Testing, Technical Data Management Systems, Web Services, File Transfer Protocol (FTP), SAP Process Orchestration, SC Clearance, Information Technology, SAP S/4HANA, Integration Frameworks
- **Published:** October 4, 2026
- **Apply:** https://dejobs.org/x/x/31C0055CFAB44965A0E133A941880B79/job/

## About the Role

* 6+ years of IT experience with a heavy focus on interface/integration design and development, specifically within a federal ERP environment
 * Strong functional understanding of business processes and the external systems that feed into it (e.g., supply, financial, or logistics systems)
 * Hands-on experience developing interfaces with SAP integration middleware (SAP PO, CPI/Integration Suite, EDI, ALE/IDocs, BAPIs, and Web Services)
 * Familiarity with data formats, transmission protocols (SFTP, AS2), and security/encryption requirements
 * Ability to analyze complex legacy COBOL or flat-file interfaces and translate them into modern SAP S/4HANA-compatible designs

Nice to have

 * Bachelor's degree in a related field, * US Citizen (no dual citizenship)
 * Active Secret clearance
 * Willingness to travel up to 25%

## Description

The SAP Interface SME will be responsible for driving the analysis, design, and development of interfaces between the future-state SAP S/4 solution and external trading partner systems. We are prioritizing "hybrid" resources who possess a rare combination of skills: deep functional understanding of the external agency trading partner systems in-scope, combined with the technical capability to perform the hands-on design, mapping, and building of the interfaces. You will not just write specifications; you will actively drive the engineering lifecycle to connect the agency's solution to the broader defense ecosystem., * Conduct detailed analysis of legacy interfaces, data formats, and protocols. Design end-to-end integration flows between SAP S/4HANA and external agency trading partners

 * Perform hands-on development, configuration, and data mapping using SAP integration technologies (such as SAP Integration Suite / CPI, PO, or legacy PI) and agency-specific protocols
 * Partner directly with external trading to align on interface control documents (ICDs), schemas, and testing schedules
 * Translate complex business processes (finance, supply chain, asset management) into technical data requirements to ensure transactional integrity across system boundaries
 * Lead unit testing, system integration testing (SIT), and partner end-to-end testing
 * Troubleshoot, debug, and resolve complex interface errors and data mismatches
 * Author and maintain high-quality Interface Control Documents (ICDs), technical design specifications, and mapping templates