External Job Posting Title SAP S/4HANA/ABAP Developer (Brownfield/Greenfield)

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

Job summary

Peraton is seeking a SAP S/4HANA/ABAP Developer to support a CDC modernization initiative. The role focuses on delivering a stable, scalable SAP S/4HANA CM solution during the transition from SAP CRM, with Brownfield migrations and complex middleware integrations including BizTalk.

The ideal candidate has 5+ years in S/4HANA, strong ABAP skills, and hands-on migration experience. You will design interfaces (EDI IDocs, SOAP/REST), enable Fiori, and follow federal governance practices, reporting

Qualifications

• Bachelor’s degree with 5 years of relevant SAP experience.
• Expertise in S/4HANA development and brownfield migrations.
• Experience migrating SAP CRM to SAP S/4HANA CM and integrating BizTalk.
• Strong middleware and API integration experience (EDI, SOAP, REST).
• Ability to design with security and governance in federal framework.

Responsibilities

• Lead Brownfield development and transition of custom SAP CRM code to SAP S/4HANA CM.
• Remediate legacy code for compatibility in S/4HANA and perform impact analysis.
• Execute technical workstreams for Brownfield migrations to ensure stability.
• Architect interfaces using IDocs and modern web services (SOAP/REST).
• Guide Fiori enablement and ensure role-based access control with security teams.

Skills

S/4HANA development

ABAP

Migration experience

Integration middleware

Education

Bachelor’s degree in related field

Tools

EDI (IDocs)

SOAP

REST

BizTalk

Fiori

Job description

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 bringS/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 with 5 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.

Preferred Qualifications:

• 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.

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.