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# SAP S/4HANA Interface Developer (Greenfield Transition)

- **Company:** Peraton Inc
- **Location:** San Diego, CA, United States
- **Experience:** Expert
- **Salary:** $86,000.0 - $138,000.0
- **Contract:** Permanent contract
- **Skills:** Unit Testing, Microsoft Biztalk Servers, Configuration Management, Software Code Optimization, Data Integrity, Middleware, IDoc, Role-Based Access Control, Release Management, SAP (Applications), SAP CRM, Simple Object Access Protocol (SOAP), Systems Integration, BI Launch Pad (Software), Sap Fiori, SAP S/4HANA, Restful APIs
- **Published:** September 3, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=9e1669ed34dad908

## About the Role

Basic Requirements:

 * Bachelor's degree and 5 years of experience
 * Minimum 5 years of hands-on SAP S/4HANA Greenfield experience.
 * 5+ years of total S/4HANA experience
 * Proven experience with EDI (IDOCS).
 * Hands-on integration experience with SOAP, REST, and BizTalk
 * Deep understanding of Greenfield vs. Brownfield development strategies
 * Must be a US Citizen or Green Card Holder
 * Must be able to obtain and maintain the required agency clearance

Preferred Requirements:

 * Prior support for the CDC or other Federal Government programs
 * Active CDC Clearance is a significant plus
 * Experience working in highly regulated public-sector environments

## Description

We are seeking a highly skilled SAP S/4HANA Interface Developer (Greenfield Transition) to spearhead a critical modernization initiative for the Centers for Disease Control and Prevention (CDC). This role is foundational to the agency's digital transformation, transitioning from legacy SAP CRM to a stable, scalable, and well-documented S/4HANA Customer Management (CM) solution. You will be responsible for navigating the complexities of a Greenfield implementation, ensuring that custom code, integrations, and user interfaces (Fiori) are optimized for a high-impact federal public health infrastructure., S/4HANA Development & Greenfield Migration

 * Clean-Slate Engineering: Execute Greenfield development efforts to transition custom SAP CRM logic into the S/4HANA Customer Management (CM) framework.
 * Code Optimization: Re-architect and optimize legacy code for S/4HANA compatibility, ensuring peak performance and adherence to modern SAP standards.
 * Full Lifecycle Support: Conduct deep-dive impact analysis, code remediation, unit testing, and deployment support within a structured federal landscape.

Advanced Integrations & Middleware

 * Interface Management: Design and maintain robust interfaces using EDI (IDOCS).
 * Modern Connectivity: Develop and manage integrations leveraging SOAP and REST web services.
 * Middleware Orchestration: Execute seamless SAP connectivity with BizTalk to ensure data integrity across disparate agency systems.

Fiori Enablement & User Experience

 * UI Deployment: Enable and deploy SAP Fiori applications to modernize the user experience.
 * UX Configuration: Design and configure Fiori Spaces, Pages, and Catalogs.
 * Security Collaboration: Work closely with Security and Functional teams to implement role-based access controls (RBAC) within the Fiori Launchpad.

Governance & Quality Assurance

 * Standards Compliance: Apply industry best practices in Change Management, Release Management, and Configuration Management.

Documentation:

 * Maintain rigorous technical documentation to mitigate migration risks and ensure long-term system sustainability