Junior Tax Consultant

Marsh Risk – Warsaw, Poland

Marsh McLennan is seeking a Junior Tax Consultant to join the Tax Operations team during a transformative period for the business and the global tax landscape. The successful candidate will be based in Marsh McLennan’s Warsaw Tax Team and will support U.S. and global tax compliance and operations, influence systems and process changes, and contribute to global tax initiatives such as Pillar 1 and Pillar 2.

What you will do

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• Prepare U.S. information tax returns for non-U.S. entities (U.S. Forms 5471, 8858, 8865) and state/local tax returns, including estimated tax calculations and related payment requisitions.
• Assist in preparing the U.S. consolidated tax return, reporting on non-U.S. branches of U.S. corporations.
• Assist in preparing the consolidated U.S. GAAP‑based tax provision, including consolidating workpapers and supporting book tax entries.
• Act as a tax liaison between internal stakeholders and third parties.
• Maintain records of group attributes such as group loss relief and corporate interest restriction for UK return purposes.
• Support the calculation of acceder tax true‑ups (‘return to provision’ adjustments) to ensure balance accuracy in the primary U.S. GAAP ledger.
• Maintain awareness of current and proposed U.S. and U.K. tax legislation and case law that impacts compliance and reporting.

Qualifications

• 1–3 years in finance or accounting with corporate tax compliance and provisioning experience, or a recent graduate in accounting/finance or a similar discipline.
• Fluent English (written and oral).
• Effective communication skills and the ability to engage a variety of stakeholders.
• Ability to work independently and collaboratively.

Desired Attributes

• Knowledge of withholding tax processes.
• Strong technical skills and a desire to develop proficiency in multiple areas of taxation.
• Experience with U.S. GAAP reporting and tax accounting (ASC 740).

Why Join Us

• Professional development opportunities and a supportive leadership team.
• A vibrant and inclusive culture that empowers you to influence clients, colleagues, and communities.
• Career growth across a global organization with a range of benefits and tä rewarding conditions.
• Near‑office access in an A‑class building close to Rondo Dasźynskiego metro station.

Application Information

To apply, please send your resume in English. Marsh McLennan is a global leader in risk, strategy, and people advisory across 130 countries.

Marsh McLennan is committed to creating a diverse, inclusive, and flexible work environment. We value diversity in age, background, disability, ethnicity, family duties, gender orientation or expression, marital status, nationality, parental status, personal status, political affiliation, race, religion, or any other characteristic protected by law.

We support hybrid work, which balances remote flexibility with in‑office collaboration. All colleagues are expected to work onsite with clients at least three days per week, with at least one “anchor day” per week shared across full teams.