The Role
Joining Moderna means advancing mRNA science to transform medicine. Work with exceptional global teams on a broad pipeline and build a career that makes a real difference for patients. Moderna is strengthening its international business services hub in Warsaw, supporting our growing global operations. As a senior technical expert within Moderna’s enterprise technology organization, you will play a critical role in shaping and supporting the global tax technology landscape across SAP S/4HANA. This position combines deep SAP tax expertise with advanced Vertex capabilities to deliver scalable, compliant, and efficient tax solutions that support Moderna’s rapidly expanding global operations.
Responsibilities
- Serve as the SAP and Vertex Subject Matter Expert (SME) for global tax processes across Moderna’s enterprise landscape.
- Design, configure, support, and optimize SAP tax procedures, condition techniques, tax codes, and tax determination logic within SAP S/4HANA.
- Design, implement, and maintain Vertex O-Series integrations, ensuring accurate tax calculation, jurisdiction determination, and reporting consistency.
- Support global indirect tax requirements including: US Sales & Use Tax, European Union VAT, APAC GST, and regional tax compliance models and statutory requirements.
- Support direct tax and withholding tax processes, including integration with finance processes and reporting structures.
- Ensure seamless tax integration across key business processes including: Order-to-Cash (O2C), Procure-to-Pay (P2P), Source-to-Pay (STP), Record-to-Report (RTR), Billing, Procurement, Intercompany transactions, and General Ledger postings.
- Support and enhance SAP Document & Reporting Compliance (DRC) solutions and Continuous Transaction Controls (CTC) capabilities.
- Collaborate with global tax teams to interpret regulatory requirements and translate them into scalable system configurations and technical solutions.
- Support and maintain tax-relevant master data, including customer, vendor, material, and tax classification data structures.
- Drive accurate tax reporting and reconciliation leveraging SAP DRC, Vertex solutions, and business intelligence platforms.
- Lead and support testing activities across UNIT, SIT, and UAT cycles, ensuring successful deployments and ongoing production support.
- Drive process automation and operational efficiency through OCR, RPA, advanced analytics, and emerging Generative AI and AI-enabled capabilities.
- Ensure strong governance through SOX compliance, audit readiness, controls management, and comprehensive process documentation.
- Act as a hands-on technical expert, troubleshooting complex tax configuration, integration, and compliance challenges across global regions.
- Support a global tax technology footprint spanning the United States, Europe, and APAC, enabling scalable growth and regulatory compliance across Moderna’s international operations.
What we offer
- Competitive healthcare, plus voluntary benefit programs to support your unique needs
- A holistic approach to well-being with access to fitness, mindfulness, and mental health support
- Family building benefits, including fertility, adoption, and surrogacy support
- Generous paid time off, including vacation, bank holidays, volunteer days, sabbatical, global recharge days, and a discretionary year-end shutdown
- Savings and investments to help you plan for the future
- Location-specific perks and extras
- Moderna champions the significant benefits of in-office collaboration by embracing a 70/30 work model.
Basic Qualifications
- Bachelor’s degree in Finance, IT, or related field
- 7+ years SAP experience with strong focus on tax
- Hands-on experience with SAP S/4HANA tax configuration and FI module
- Strong experience with Vertex O-Series tax engine and Vertex certificate center
- Deep understanding of indirect tax (Sales & Use Tax, VAT, GST)
- Experience supporting withholding tax and direct tax integration
Preferred Qualifications
- Experience with SAP DRC (Document & Reporting Compliance)
- Global e-invoicing and statutory reporting experience
- Experience across multiple regions (US, EU, APAC tax models)
- Experience with SAP BTP and integrations
- Experience in life sciences or regulated industries
- Strong analytical and problem-solving skills
