External Job Posting Title SAP S/4HANA Interface Developer (Greenfield Transition)

Peraton; Greenfield (WI); Hybrid; USD 86,000 - 138,000; Full time

Job summary

Peraton is seeking an SAP S/4HANA Interface Developer for a Greenfield migration to modernize CDC’s Customer Management (CM) solution. You will lead the transition from SAP CRM to S/4HANA CM, optimize legacy code, and ensure robust interfaces (EDI/IDOCS) and modern connectivity via SOAP/REST.

You’ll deploy Fiori UX, manage RBAC, and support governance and documentation in a strict federal environment. Join a critical federal modernization program with strong governance, security clearances, and

Qualifications

• 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.
• 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.

Responsibilities

• S/4HANA Development & Greenfield Migration: transition custom SAP CRM logic to CM.
• Code Optimization: re-architect legacy code for S/4HANA compatibility.
• Full Lifecycle Support: impact analysis, unit testing, deployment support.
• Interface Management: design and maintain interfaces using EDI (IDOCS).
• Modern Connectivity: develop integrations via SOAP and REST web services.
• Middleware Orchestration: SAP connectivity with BizTalk across systems.
• UI Deployment: enable and deploy SAP Fiori applications.
• UX Configuration: design Fiori Spaces, Pages, Catalogs.
• RBAC implementation within Fiori Launchpad.
• Governance & QA: follow change/release/configuration management.
• Documentation: maintain rigorous migration docs.

Skills

SAP S/4HANA

EDI IDOCS

SOAP/REST

BizTalk

Fiori UX

RBAC

US Citizen or GC

Education

Bachelor’s degree

Tools

BizTalk

SOAP

REST

IDOCS

Job description

Responsibilities

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.

Key Responsibilities:

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

Qualifications

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

Peraton Overview

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.

Target Salary Range

$86,000 - $138,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

EEO

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.