Senior Associate, Direct Tax

BioSpace; Warszawa; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Healthcare

Well-being programs

Generous PTO & holidays

Global mobility opportunities

Location-specific perks

Job summary

Moderna is expanding its tax hub in Warsaw, delivering end-to-end compliance for a 20+ country portfolio. This role drives direct and income tax processes, journal entries, and US GAAP tax reporting while leveraging AI to boost accuracy, efficiency, and control.

The ideal candidate has 3–5 years in direct taxes, strong accounting fundamentals, and English proficiency to collaborate globally. A hybrid work model in Poland and diverse benefits support personal and professional growth.

Qualifications

• Bachelor's degree in Accounting, Tax, Finance or related discipline.
• 3-5 years of direct taxes experience; public accounting/shared service center a plus.
• Strong tax technical skills in Corporate Income Tax and other direct taxes.
• Solid foundation in tax accounting and general accounting principles.
• Strong English communication skills (written and spoken).

Responsibilities

• Act as a point of contact for assigned jurisdictions, coordinating with internal teams and external tax advisors.
• Support corporate tax compliance for income and non-income taxes with timely submissions.
• Manage withholding tax compliance with proper documentation and coordination.
• Prepare US GAAP tax reporting, including tax provisions and reconciliations.
• Prepare and review tax journal entries with accurate debits and credits.
• Oversee tax payments and reconcile tax accounts with finance teams.
• Collaborate on statutory financial statements and tax accounting across jurisdictions.
• Support data collection for audits and tax notices.
• Drive automation and standardization to enhance controls and efficiency.
• Leverage AI-enabled tools to streamline recurring tax processes and reporting.
• Contribute to ad hoc tax projects and cross-functional initiatives.
• Work with Tax, Accounting, Finance, Controllership, Legal and stakeholders.
• Identify business process improvements and design more tech-enabled workflows.
• Take on additional responsibilities as needed to support Moderna’s mission.

Skills

Tax accounting

Direct taxes

Journal entries

English proficiency

Data analysis

Education

Bachelor's degree in Accounting/Tax/Finance

Tools

SAP

BlackLine

Microsoft Office

Job description

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.

Here’s What You’ll 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 Moderna’s mission.

The key Moderna Mindsets you’ll 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.

Here’s What You’ll Need (Basic Qualifications)

• Bachelor's 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.

Here’s What You’ll 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. That’s why our benefits and well-being resources are designed to support you—at 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 culture.Together, 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 modernatx.com/careers 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.

Moderna is committed to equal opportunity in employment and non-discrimination for all employees and qualified applicants without regard to a person's 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.

We’re 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 [e-mail].