SAP Middleware Support – ECC to S/4HANA
Job Description:
DXC Technology (NYSE: DXC) helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability across public, private, and hybrid clouds. The world’s largest companies and public sector organizations trust DXC to deploy services across the Enterprise Technology Stack to drive new performance levels, competitiveness, and customer experience. Learn more about how we deliver excellence for our customers and colleagues at DXC.com.
Essential Job Functions:
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
Basic 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 workstreams
Work Environment & Eligibility:
Remote to the United States
Must be legally authorized to work in the United States without sponsorship now or in the future
Must be US Citizen or Green Card holder
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