Sr SAP Middleware Support – ECC to S/4HANA Brownfield Migration - Remote

Role Overview

The SAP Middleware Support resource will be responsible for the design, remediation, support, and optimization of integration objects across the SAP ECC to S/4HANA brownfield migration landscape. This role will ensure continuity, stability, and performance of all system interfaces throughout migration, testing, cutover, and post-go-live stabilization.  For this REQ we can only accept US CIT for DoD!!

The senior consultant with 10-15 years overall experience will work closely with Basis, functional, data, and ABAP teams to support end-to-end integration scenarios and enable seamless interoperability between SAP and non-SAP systems.

Key Responsibilities

Integration & Middleware Support

• Support design, build, and validation of SAP integration objects leveraging:

• SAP PI/PO (Process Integration / Process Orchestration)
• APIs (REST, SOAP), IDocs, BAPIs

• Maintain and support interface mappings, data transformations, and integration logic across ECC and S/4HANA landscapes
• Support publish/subscribe and event-driven integration patterns using middleware tools
• Assist in defining and executing integration strategy and deployment approach for S/4HANA conversion

Migration & Remediation Activities

• Assess existing ECC interfaces for S/4HANA compatibility and simplification impacts
• Support remediation of obsolete or non-compliant integration objects
• Update technical specifications, interface mappings, and transformation logic for S/4HANA readiness
• Identify opportunities to optimize or replace legacy integrations with modern API-based approaches
• Support third-party system compatibility assessments and interface redesign where required

Testing & Cutover Support

• Support interface testing across:

• System Integration Testing (SIT)
• User Acceptance Testing (UAT)
• Mock Conversions and Cutover cycles

• Troubleshoot and resolve integration defects across environments
• Validate end-to-end data integrity and system interactions
• Support cutover planning and sequencing for middleware objects

Hypercare & Production Support

• Provide post-go-live support for integration defects and performance issues
• Monitor middleware performance, message queues, and interface failures
• Support stabilization and defect triage during hypercare phase

Cross-Functional Collaboration

• Partner with:

• Functional teams to validate business process integration
• ABAP developers for custom interface remediation
• Data migration teams for data flow consistency
• Basis/infrastructure teams for environment and transport management

• Support alignment of integration design with overall S/4HANA architecture and data strategy

Required Qualifications

• <