SAP Ariba Lead Consultant

We are looking for an experienced SAP Ariba Lead Consultant to lead the design, configuration, and business readiness of our SAP Source-to-Pay (STP) landscape. This is a hands-on leadership role sitting at the intersection of procurement business processes and SAP technology. You will own the end-to-end solution across the SAP Ariba suite and its integration with SAP ERP (S/4HANA or ECC), driving successful adoption from blueprint through hypercare., * Lead the functional design, configuration, and deployment of the SAP Ariba solution across the Source-to-Pay value chain.

• Own the end-to-end process integration between SAP Ariba and SAP ERP (MM and FI-AP), ensuring master data, transactional documents, and financial postings flow correctly across systems.

Ariba Modules Knowledge Lead delivery across the SAP Ariba and SAP Business Network modules, including:

• SAP Ariba Sourcing (RFx, e-auctions, sourcing events and awards)
• SAP Ariba Contracts (contract authoring, workspaces, compliance)
• SAP Ariba Buying & Invoicing and Guided Buying (catalogs, requisitions, PO management)
• SAP Ariba Supplier Lifecycle & Performance (SLP) / Supplier Management (registration, qualification, segmentation, risk)
• SAP Ariba Commerce Automation / Invoice-to-Pay (invoice reconciliation, exception handling)
• SAP Business Network (formerly Ariba Network) supplier onboarding and enablement
• Integration via SAP Ariba Cloud Integration Gateway (CIG) / mediated and direct connectivity to SAP ERP

End-to-End Issue Resolution

• Act as the lead for complex, cross-functional STP issues, tracing root causes across Ariba, integration middleware, SAP MM, and FI-AP.
• Diagnose and resolve issues spanning requisition-to-PO, PO-to-goods-receipt, and invoice-to-payment, including three-way match failures, IDoc/CIG errors, tax and account assignment defects, and workflow breakdowns.

Business Readiness & Adoption

• Lead change management activities, stakeholder engagement, and communications to drive user adoption across procurement, finance, and the wider business.
• Design and deliver end-user training (materials, sessions, train-the-trainer) tailored to buyer, approver, and supplier audiences..

Controls, Compliance & Post-Go-Live.

• Ensure the solution meets SAP GRC / Segregation of Duties (SoD) requirements, working with risk and audit stakeholders to remediate conflicts.
• Lead post-go-live hypercare support, stabilising the solution, resolving production incidents, and transitioning to business-as-usual support.

• Proven experience as a Lead / Senior SAP Ariba Consultant delivering full-lifecycle Source-to-Pay implementations.
• Deep functional expertise across the procurement lifecycle: Sourcing, Purchasing, Supplier Management, and Invoice-to-Pay.
• Strong hands-on knowledge of SAP MM (purchasing, inventory, invoice verification) and SAP FI-AP (accounts payable, vendor master, payment processing).
• Demonstrated ability to resolve end-to-end, cross-module issues across Ariba and SAP ERP integrations.
• Practical experience with Ariba SAP integration (CIG, IDocs, master and transactional data replication).
• Track record delivering change management, user training, UAT, data migration, and cutover on major SAP programmes.
• Working knowledge of procurement controls, approval workflows, and SAP GRC / SoD compliance.
• Experience providing hypercare and production support post-deployment.
• Excellent stakeholder management, communication, and leadership skills