Billennium is a global technology company with over 20 years of experience, committed to innovation and empowering businesses. We are looking for a Senior SAP Indirect Tax Consultant with strong SAP FICO expertise and proven experience in indirect taxation, statutory requirements, and cross-module integration within SAP S/4HANA environments. In this role, you will be responsible for translating complex tax and business requirements into effective SAP solutions, with a particular focus on VAT/GST, tax determination, FI/SD/MM integration, SAP DRC, and external tax engines such as ONESOURCE or Sovos.

You will work closely with business stakeholders, IT teams, and other SAP functional experts to ensure accurate tax determination, regulatory compliance, and reliable end-to-end tax processes across high-volume transaction environments. 8+ years of SAP FICO implementation experience ~ At least 2 full lifecycle SAP implementations ~ Strong hands-on experience with SAP FI, including integration with SD and MM ~ Proven expertise in SAP Indirect Tax, particularly VAT/GST ~ Strong knowledge of tax determination and condition technique in SAP S/4HANA ~ Solid understanding of tax and statutory requirements in Germany and other EU countries ~ Experience with SAP S/4HANA ~ Knowledge of SAP DRC (Document and Reporting Compliance) is highly desirable ~ Experience with external tax engines such as ONESOURCE or Sovos is an advantage ~ Understanding of digital reporting, e-invoicing,



and SAF-T requirements ~ ABAP debugging skills for troubleshooting tax calculation and interface issues are preferred ~ Ability to translate complex tax regulations and business requirements into clear functional specifications ~ Fluent English – written and spoken ~ Good German is preferred ~ Bachelor's or Master's degree in Computer Science, Business Administration, or a related field Analyze business and tax requirements and design automated tax determination solutions within SAP S/4HANA. Configure and optimize tax determination using SAP condition technique. Investigate and resolve complex tax calculation issues in high-volume transaction environments.

Design and maintain tax-related integration across FI, SD, and MM. Ensure consistent tax treatment across the end-to-end supply chain. Analyze dependencies between financial, sales, procurement, and tax processes.

Collaborate with SAP functional and technical teams to implement integrated solutions. Tax Engine & External Solutions Configure and maintain interfaces between SAP and external tax engines such as ONESOURCE and Sovos. Support real-time tax rate calculation and ensure reliable data exchange between SAP and external solutions.

Troubleshoot integration and interface issues affecting tax determination.

Digital





Reporting & Statutory Compliance Support the implementation of country-specific statutory and tax requirements in Germany and across EU countries. Contribute to solutions covering e-invoicing, real-time reporting, SAF-T, and other digital reporting requirements. Support SAP DRC-related processes and ensure alignment with local regulatory requirements.

Business & IT Collaboration Act as a key liaison between business stakeholders, tax experts, and IT teams. Translate complex tax legislation and business requirements into clear functional specifications. Provide functional guidance and recommendations on SAP tax solutions.

Lead and coordinate Unit Testing, System Integration Testing (SIT), and User Acceptance Testing (UAT) for tax-related changes. Define test scenarios covering tax determination, integrations, reporting, and e-invoicing. Use ABAP debugging skills, where required, to investigate complex SAP tax and interface issues.

Identify opportunities to improve tax processes, automation, and compliance. Support the optimization and standardization of SAP tax solutions across business units and countries. Ensure solutions are scalable, maintainable, and aligned with evolving European tax regulations.

Career growth - access opportunities for professional development and learning, including perks related to our official partnerships with global IT giants: Microsoft, AWS, Snowflake, Salesforce & more. Integral collaboration - work with a diverse, international team.

📌 Senior Sap Indirect Tax Consultant (Madrid)
🏢 Billennium
📍 Madrid