Senior SAP S/4HANA Finance & Tax Transformation Expert (Freelance)

Freelance Senior SAP S/4HANA Finance & Tax Transformation Expert needed for a global rollout. Remote role in Switzerland requiring extensive SAP Finance and Tax consulting experience and S/4HANA project lifecycle expertise.

The company is seeking a seasoned specialist to guide the Finance & Tax stream during a worldwide S/4HANA implementation. This position involves translating a standardized global template to fit the needs of various international business units and regions.

Responsibilities

• Serve as the primary expert for Finance and Tax matters throughout every stage of the global S/4HANA deployment.
• Manage deployment tasks across the entire project timeline, from initial analysis and design through testing, launch, and post-go-live support.
• Evaluate regional Finance and Tax needs and harmonize them with the established global S/4HANA framework.
• Coordinate efforts across different countries and parallel workstreams to maintain alignment.
• Improve and protect business processes with an emphasis on operational efficiency, scalability, and regulatory compliance.
• Facilitate workshops with business stakeholders to define process alignment, fit-gap analysis, and solution design.
• Guarantee that all solutions follow global template standards, governance rules, and architectural principles.
• Work with cross-functional groups including Finance, Tax, IT, and Business teams to achieve full end-to-end integration.
• Design and implement tax solutions covering determination, reporting, and compliance activities.
• Address country-specific localization needs and statutory compliance duties.
• Participate in digital compliance projects like e-invoicing, e-reporting, and statutory reporting.

Requirements

• Possess at least eight years of consulting experience in SAP Finance and Tax.
• Demonstrate a strong history of participating in SAP ERP and S/4HANA transformation programs across the full project lifecycle.
• Hold deep knowledge of SAP Tax for EU and global regions, covering Indirect Taxes (VAT/GST), Withholding Taxes, SAP DRC, and localizations.
• Maintain strong familiarity with EU VAT regulations and international tax determination concepts.
• Have hands-on experience with tax engines and external tax determination solutions like Vertex or Thomson Reuters OneSource.
• Understand e-invoicing, e-reporting, and digital tax compliance frameworks in global environments.
• Show proven experience in international, multi-country S/4HANA rollouts and template deployments.
• Have acted as a Lead Consultant, Solution Architect, or senior SME in complex international transformation programs.
• Understand end-to-end Finance processes and tax-relevant integration points across FI, SD, and MM.
• Demonstrate the ability to design scalable and compliant tax solutions within global SAP templates.
• Exhibit excellent stakeholder management and workshop facilitation skills.
• Be fluent in English both spoken and written.
• Hold a valid work permit for the EU/EFTA region.

Nice to have

• Knowledge of the German language is an advantage.