Lead end-to-end implementation and support of SAP Ariba modules with strong focus on Ariba Business Network (ABN) Invoicing. Configure and manage Ariba P2P / Buying & Invoicing, Supplier Management, and Ariba Network integrations. Implement e-Invoicing integrations with SAP DRC (Digital Compliance), Adicom, and other third-party e-invoicing or compliance solutions. Ensure seamless integration between SAP ECC/S/4HANA and Ariba using CIG or other middleware platforms. Manage invoice automation, PO/Non-PO invoice flows, GR-based invoicing, exception handling, and invoice compliance validations. Drive solution design, requirement gathering, GAP analysis, and preparation of functional specifications. Work closely with cross-functional teams (MM, FI, Procurement, Compliance) to deliver compliant invoice processing. Support testing cycles (SIT/UAT), production deployment, and hypercare. Monitor Ariba Network transactions, troubleshoot integration failures, and coordinate with SAP/Ariba support teams. Ensure compliance with country-specific e-invoicing mandates across multiple geographies. Required Skills 8+ years’ experience in SAP Ariba (Buying & Invoicing, Ariba Network). Strong expertise in Ariba Business Network Invoicing and supplier connectivity. Hands-on experience integrating SAP DRC with Ariba for e-invoicing. Experience working with Adicom and other statutory e-invoicing platforms. Strong understanding of P2P processes, taxation, and invoice compliance. Proficient in CIG integrations, web services, APIs, and error monitoring. Excellent communication, documentation, and client-facing skills.