SAP S/4 HANA Source To Pay - FI Lead

Job Description Our client, supporting a top Health Care company, seeks a SAP S/4 HANA Source To Pay Solution Lead to drive end-to-end solution delivery across the full Source to Pay process lifecycle within a large-scale SAP S/4HANA implementation in Germany. This is a critical role that combines deep functional SAP expertise with cross-functional leadership, requiring close co-ownership with Global Process Owners, business stakeholders, and System Integration partners to align global templates with local German regulatory and operational requirements. This is a remote contract engagement with start data in July or August 2026, running through the end of 2027, with travel of up to 20% depending on project needs, and fluency in German language is Mandatory . The Role Serve as the end-to-end solution lead for the Source to Pay workstream, co-owning delivery with GPO/business stakeholders and the System Integration partner across designated releases and business units. Coordinate requirements reviews, functional specifications, functional unit testing, and UAT activities across SAP S/4HANA, Ariba, and OpenText VIM processes. Ensure compliance with German tax, e-invoicing, and audit regulations Set the strategic foundation and alignment for S/4HANA implementation in Germany, balancing global template standards with local business and regulatory requirements. Support data migration, cutover planning, and hypercare activities to ensure operational continuity and data integrity through go-live and stabilization phases. Ensure full compliance with German tax regulations, e-invoicing standards (XRechnung/ZUGFeRD), and relevant audit and procurement regulatory requirements including ESG obligations. Coordinate and align across multiple cross-functional SAP streams and parallel releases to maintain consistency and resolve cross-workstream dependencies. Provide knowledge transfer, documentation, and training to internal teams to build sustainable capability and support long-term ERP adoption. Apply analytical and strategic thinking to drive sourcing decisions, cost savings opportunities, and process optimization within the S2P landscape. Manage vendor negotiations and partnership relationships, ensuring effective collaboration with external implementation and technology partners. Requirements 10+ years of SAP experience with a minimum of 2 full-cycle S/4HANA implementations in the Source to Pay stream. Deep functional expertise in Source to Pay processes including Materials Management, MM-FI integration, and Accounts Payable. Demonstrated experience with SAP Ariba and OpenText Vendor Invoice Management (VIM) in an enterprise implementation context. Thorough knowledge of German VAT regulations, e-invoicing standards (XRechnung and ZUGFeRD), and German procurement compliance requirements including ESG. Strong cross-functional leadership skills with the ability to coordinate across business units, IT teams, and external SI partners in a fast-paced, multicultural environment. Excellent verbal and written communication skills in English; German language proficiency is required for this engagement. Hands-on experience with SAP Workflow and SAP Fiori applications for Accounts Payable processing. Exposure to Central Finance (CFIN) configurations or multi-entity ERP rollout programs. Knowledge of OCR/ICR document capture solutions integrated with OpenText VIM or comparable platforms. SAP certification in relevant Source to Pay or Materials Management modules. Experience supporting parallel release management across multiple business units within a global SAP transformation program.