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

Job Description
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.

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

• 8-10+ years of experience in SAP middleware/integration support roles
• Proven experience in SAP ECC → S/4HANA Brownfield migrations
• Hands-on experience with:

• SAP PI/PO configuration and support
• IDocs, BAPIs, RFCs
• REST/SOAP APIs and integration frameworks

• Strong experience troubleshooting integration objects and resolving interface issues
• Understanding of integration patterns (point-to-point, middleware-based, event-driven)
• Experience supporting integration testing cycles and migration cutover

Preferred / Nice-to-Have Skills

• Experience with SAP Integration Suite / CPI
• Familiarity with API management and microservices architecture
• Experience with middleware performance tuning and monitoring tools
• Exposure to SAP modules such as FICO, MM, PP, or StRM in integrated landscapes

Bonus / Highly Preferred

• Experience with:

• iBaseT (MES / MRO integration)
• Dassault DELMIA Apriso (Manufacturing Operations Management integration)

• Experience integrating SAP with manufacturing/MES systems in aerospace or regulated industries
• Knowledge of serialization, shop floor integration, and production data flows

Soft Skills

• Strong problem-solving and root-cause analysis capabilities
• Ability to work across global teams and multiple stakeholders
• Clear communication of technical issues to both technical and functional audiences
• Ability to manage multiple integration priorities in a fast-paced migration program

Typical Deliverables

• Updated interface inventory and remediation tracker
• Integration design documents and mapping specifications
• Test results and defect logs for middleware objects
• Cutover readiness inputs for integration scope
• Hypercare defect resolution reports Position Context (DXC Program Alignment)
• Supports brownfield conversion scope including integration remediation and stabilization
• Part of the middleware team supporting PI/PO and integration stack within overall program resourcing
• Works in alignment with broader S/4HANA transformation efforts including data, testing, and cutover workstream

Requirements

SAP S/4HANA DSD (Direct Store Delivery) and LMD (Last Mile Distribution) are two related solutions within SAP's broader logistics suite, designed to optimize distribution processes, particularly for consumer goods and retail industries. DSD focuses on delivering goods directly to end customers (like retailers) bypassing traditional distribution centers, while LMD focuses on the final stage of delivery, including route planning, execution, and settlement.


Here's a more detailed breakdown:

SAP S/4HANA DSD (Direct Store Delivery):

• Core Function:
  DSD involves delivering goods directly from the supplier to the retailer's store, without going through a central warehouse or distribution center.
• Key Features:
  • Route Planning: Optimizing delivery routes for drivers, including presales visits, deliveries of ordered goods, and van sales.
  • Mobile Applications: Using mobile apps on Android and Windows Mobile devices for sales and distribution activities offline.
  • Integration: Integrating with SAP S/4HANA SD (Sales and Distribution) and CRM (Customer Relationship Management) for seamless data flow.
  • Visit Control: Managing and planning customer visits, including strategic planning of visit plans and operational planning of visit lists.
  • Web-based Monitoring: Monitoring tour status and performing administrative actions from a web browser.
  • Custom Reports: Creating and exporting custom reports for mobile users, such as delivery reports or presettlement reports.
• Benefits:
  Increased efficiency, reduced inventory costs, better customer satisfaction, and real-time inventory visibility.

SAP S/4HANA LMD (Last Mile Distribution):

• Core Function:
  LMD focuses on the final stage of delivery, from the warehouse/distribution center to the end customer.
• Key Features:
  • Route Planning and Execution: Optimizing delivery routes, including route tracking, execution, and settlement.
  • Inventory Management: Real-time inventory visibility and control through route stock management.
  • Freight Orders: Utilizing freight orders for LMD to manage transportation costs and scheduling.
  • Settle Route Data: Settling route data and generating reports.
  • SAP Fiori Apps: Providing Fiori apps for route tracking, execution, settlement, and analytics.
• Benefits:
  Streamlined delivery process, improved customer satisfaction, and reduced costs associated with the final mile.

Relationship between DSD and LMD:

• DSD and LMD are both part of SAP S/4HANA's logistics suite, but they address different stages of the delivery process.
• DSD can be seen as a specific type of LMD, where the last mile is also the direct route to the customer (retail store).
• LMD can also include deliveries from distribution centers to retailers, but DSD focuses on direct deliveries.

In summary, DSD focuses on direct deliveries to retail stores, while LMD encompasses the broader process of optimizing the final stage of delivery, including route planning, execution, and settlement, which can include DSD scenarios.