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Senior Associate, Direct Tax

ModernaTX


Job Location:

Warsaw - Poland

Monthly Salary: Not provided by the employer
Posted: 21 May 2026 (30+ days ago)
Application Deadline: 29 October 2026
Vacancies: 1 Vacancy
The job posting is outdated and position may be filled

Job Summary

If youre interested in this role please apply in English and include an English version of your Resume/CV.

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 Moderna continues to scale globally this role sits at the heart of our Moderna Enterprise Solutions Hub (MESH) in Warsaw supporting direct tax operations across 20 countries.

You will operate as a key individual contributor owning end-to-end tax compliance reporting and accounting activities while partnering across a highly matrixed global organization.

This is a highly technical detail-oriented position with a strong emphasis on leveraging technology and AI to drive efficiency scalability and smarter decision-making in tax operations.

Heres What Youll Do:

  • Act as a key point of contact for assigned jurisdictions coordinating closely with internal teams including GL AP Legal Controllership and Finance as well as external tax advisors across a global portfolio of 20 countries.

  • Support corporate tax compliance activities covering both income and non-income-based taxes ensuring timely and accurate submission of direct tax returns in collaboration with external advisors.

  • Manage withholding tax compliance by analyzing obligations ensuring proper documentation and coordinating with internal stakeholders and external partners.

  • Prepare US GAAP tax reporting including tax provisions return-to-provision adjustments tax account reconciliations and supporting tax balance sheet reviews.

  • Prepare and review tax-related journal entries with a strong command of debits and credits ensuring accurate recording of tax activity within the general ledger.

  • Oversee tax payments including monitoring prepayments reconciling tax accounts and coordinating payment execution with finance teams.

  • Partner with accounting teams to support statutory financial statements tax accounting matters and close processes across multiple jurisdictions globally.

  • Support data collection and documentation requirements for government audits financial audits and tax notices.

  • Drive process improvements standardization and automation initiatives across tax operations to enhance controls efficiency and scalability.

  • Leverage technology and AI-driven tools to streamline recurring processes improve data integrity enhance reporting capabilities and enable more informed decision-making.

  • Actively contribute to ad hoc tax projects demonstrating the ability to explore multiple options in parallel and deliver optimal outcomes.

  • Collaborate cross-functionally with Tax Accounting Finance Controllership Legal and broader business stakeholders to ensure alignment and operational excellence.

  • Partner with internal stakeholders to understand business processes identify risks and design more efficient technology-enabled ways of working.

  • Take ownership of additional responsibilities as needed demonstrating flexibility accountability and a proactive approach in support of Modernas mission.

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

  • We pursue options in parallel to make the best choice later.

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

Heres What Youll Need (Basic Qualifications)

  • Bachelors degree in Accounting Tax Finance or related discipline required.

  • 3-5 years of related experience in direct taxes required; public accounting and/or shared service center experience is a plus.

  • Strong tax technical skills including expertise in Corporate Income Tax and other direct taxes.

  • Strong foundation in tax accounting and general accounting principles including experience with journal entries debits and credits and account reconciliations.

  • Proficiency in English (verbal and/or written) required due to global collaboration needs.

Heres What Youll Bring to the Table (Preferred Qualifications)

  • Experience with financial systems including SAP BlackLine and Microsoft Office products.

  • Experience using technology automation and AI-enabled tools to improve tax processes and reduce manual work.

  • Strong work ethic self-motivated and willing to roll up your sleeves to drive results meet deadlines and improve processes.

  • Strong analytical skills and high attention to detail.

  • Strong organizational interpersonal verbal and written communication skills.

  • Ability to work collaboratively across functional teams in a global environment.

  • Demonstrated experience with process improvement standardization and operational efficiency.

  • Commitment to continuous learning and personal development with the ability to adapt in a fast-paced dynamic environment.

  • Excellent English skills both written and verbal. Additional language is a plus.

  • A desire to make an impact as part of a high-growth transformational company that is Bold Relentless Curious and Collaborative.


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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Required Experience:

Senior IC


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