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Junior Tax Consultant
  • Warsaw
Junior Tax Consultant
Warszawa, Warsaw, Masovian Voivodeship, Polska
myGwork - LGBTQ+ Business Community
22. 1. 2026
Informacje o stanowisku

Junior Tax ConsultantMarsh McLennan – LGBTQ+ Business Community, Warsaw office

Marsh McLennan is an inclusive employer and a member of myGwork, the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. This role is based in our Warsaw office.

What can you expect?

An exciting opportunity has arisen for a Junior Tax Consultant to join the Tax Operations team during a transformational period in both the business and the global tax landscape. The successful candidate will be based in the Warsaw Tax Team and will support U.S. and global tax compliance and operations, including influencing systems and process changes related to global tax initiatives such as Pillar 1 and Pillar 2. You will be an integral part of the global Tax department and work closely with other stakeholders.

We Will Count On You To

  • Prepare U.S. information tax returns for non-U.S. entities (U.S. Forms 5471, 8858, 8865) as well as state and local tax returns, estimated tax calculations, and related payment requisitions
  • Assist in preparing the U.S. consolidated tax return, including reporting on non-U.S. branches of U.S. corporations
  • Assist in the preparation of the consolidated U.S. GAAP-based tax provision, including preparing consolidating workpapers and support for book tax entries
  • Act as a tax liaison between different stakeholders within the company as well as third parties
  • Help maintain records of group attributes, such as group loss relief and corporate interest restriction for UK return purposes
  • Provide support for calculating tax true-ups (return to provision adjustments) to ensure that tax balances held in the primary US GAAP ledger are accurate
  • Maintain awareness of current and proposed U.S. and UK tax legislation and case law that would impact compliance and reporting activities

What you need to have

  • 1-3 years in finance or accounting performing corporate tax compliance and provisioning activities or be a recent graduate in accounting/finance or a similar discipline
  • Fluent English speaker (written and oral)
  • Effective communication skills and ability to deal with various stakeholders
  • Ability to work independently and collaboratively

What makes you stand out

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

Why join our team

  • Professional development opportunities, interesting work and supportive leaders
  • Vibrant and inclusive culture with talented colleagues to create new solutions and make an impact for clients and communities
  • Career opportunities, benefits and rewards to enhance well-being
  • People-oriented team with dynamic colleagues and leaders committed to high standards
  • Competitive salary and attractive benefits package (private health care, sports card, life insurance, lunch card, free access to LinkedIn Learning, language courses refund)
  • A‑class office building facilities near Rondo Daszynskiego metro station

If you are interested, please send your resume in English.

Company information

Marsh McLennan (NYSE: MMC) is a global leader in risk, strategy and people, advising clients in 130 countries across four businesses: Marsh, Guy Carpenter, Mercer and Oliver Wyman. With annual revenue of $24 billion and more than 90 000 colleagues, Marsh McLennan helps build the confidence to thrive through the power of perspective.

Marsh McLennan is committed to creating a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age, background, disability, ethnic origin, family duties, gender orientation or expression, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, or any other characteristic protected by applicable law.

Marsh McLennan is committed to hybrid work, providing flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All colleagues are expected to work onsite at least three days per week.

Seniority Level

Entry level

Employment Type

Full‑time

Job Function

Accounting/Auditing and Finance

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