Senior SAP S/4HANA Finance & Tax Consultant - Freelance

We are supporting a global S/4HANA transformation program for an international client. For the Finance & Tax stream, we are looking for an experienced SAP S/4HANA Finance & Tax Consultant to support ongoing deployment activities. This role plays a key part in ensuring high-quality delivery across international rollouts, with a strong focus on tax processes, compliance, and integration within complex system landscapes. Framework conditions: Start : ASAP Duration : ~12 months Contract Type : Freelance Location : Switzerland (fully remote) Eligibility : EU-based candidates only Language : Fluent English (mandatory), German is a plus Tasks Support the Finance Deployment Stream within the S/4HANA program as a Finance/Tax process specialist Act as Subject Matter Expert (SME) for Finance and Tax processes across all project phases Drive and support deployment activities throughout the full rollout lifecycle (fit-gap, design, build, test, go-live, hypercare) Ensure alignment and coordination across parallel rollouts and workstreams Analyze, optimize, and safeguard business processes with a focus on efficiency and compliance Lead process alignment and solution design workshops with business stakeholders Ensure adherence to global template standards and governance Collaborate with cross-functional teams (Finance, Tax, IT, Business) to ensure end-to-end integration Support the implementation and optimization of tax-related processes, including determination, reporting, and compliance Contribute to digital compliance initiatives such as e-invoicing and statutory reporting Requirements 8+ years of SAP FI consulting experience with a strong focus on Tax Proven track record in SAP ERP and S/4HANA transformation programs across the full lifecycle Deep expertise in SAP Tax for EU and global regions, including Indirect Taxes, Withholding Taxes, Corporate Income Taxes, SAP DRC, and country-specific localizations Strong knowledge of EU VAT directives, e-invoicing and reporting compliance Hands-on experience with tax engines or external tax determination solutions (e.g., Vertex, Thomson Reuters or similar) Proven experience in international, multi-country S/4HANA rollouts (ideally across multiple jurisdictions) Strong understanding of e-invoicing, e-reporting, and digital tax compliance frameworks in global environments Experience acting as Lead Consultant or senior SME in complex, international transformation programs Strong knowledge of end-to-end Finance & Controlling processes and tax-relevant integration points (FI, SD, MM)