Sr. SAP Tax & Vertex Engineer

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. We welcome professionals ready to help advance our mission and shape the future of mRNA medicines.

As a senior technical expert within Modernas 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 Modernas rapidly expanding global operations.

Working across global business functions you will serve as the trusted authority for tax determination compliance reporting and integration ensuring tax processes are seamlessly embedded across finance and supply chain operations. You will partner closely with Tax Finance Digital and business stakeholders to translate evolving regulatory requirements into robust system solutions while driving innovation through automation AI-enabled capabilities and modern digital technologies.

Heres What Youll Do:

• Serve as the SAP and Vertex Subject Matter Expert (SME) for global tax processes across Modernas 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

  • 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

  • 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 Modernas international operations.

The key Moderna Mindsets youll need to succeed in the role:

• We obsess over learning. We dont have to be the smartest we have to learn the fastest.

• We digitize everywhere possible using the power of code to maximize our impact on patients.

Heres What Youll Need (Basic Qualifications)

• Bachelors 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

Heres What Youll Bring to the Table (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

Pay & Benefits

At Moderna we believe that when you feel your best you can do your best work. Thats why our benefits and well-being resources are designed to support youat work at home and everywhere in between.

• 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
• Savingsandinvestments to help you plan for the future
• Location-specific perks and extras

The benefits offered may vary depending on the nature of your employment with Moderna and the country where you work.

About Moderna

Since our founding in 2010 we have aspired to build the leading mRNA technology platform theinfrastructure to reimagine how medicines are created and delivered and a world-class team. We believe in giving our people a platform to change medicine and an opportunity to change the world.

By living our mission values and mindsets every day our peopleare the driving force behind our scientific progress and our we are creating a culture of belonging and building an organization that cares deeply for our patients our employees the environment and our communities.

We are proud to have been recognized as a Science Magazine Top Biopharma Employer a Fast Company Best Workplace for Innovators and a Great Place to Work in the U.S.

As we build our company we have always believed an in-person culture is critical to our success. Moderna champions the significant benefits of in-office collaboration by embracing a 70/30 work model. This 70% in-office structure helps to foster a culture rich in innovation teamwork and direct mentorship. Join us in shaping a world where every interaction is an opportunity to learn contribute and make a meaningful impact.

If you want to make a difference and join a team that is changing the future of medicine we invite you to visit to learn more about our current opportunities.

Moderna is a smoke-free alcohol-free and drug-free work environment.

Moderna is a place where everyone can grow. If you meet the Basic Qualifications for the role and you would be excited to contribute to our mission every day please apply!

Moderna is committed to equal opportunity in employment and non-discrimination for all employees and qualified applicants without regard to a persons race color sex gender identity or expression age religion national origin ancestry or citizenship ethnicity disability military or protected veteran status genetic information sexual orientation marital or familial status or any other personal characteristic protected under applicable law. We consider qualified applicants regardless of criminal histories consistent with legal requirements.

Were focused on attracting retaining developing and advancing our employees. By cultivating a workplace that values diverse experiences backgrounds and ideas we create an environment where every employee can contribute their best.

Moderna is committed to offering reasonable accommodation or adjustments to qualified job applicants with disabilities. Any applicant requiring an accommodation or adjustment in connection with the hiring process and/or to perform the essential functions of the position for which the applicant has applied should contact the Accommodations and Adjustments team at .

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