Tax Accountant/ Ksiegowy/ Ksiegowa ds. Podatkow

Job Overview

Tax Accountant (Ksiegowy/ Ksiegowa ds. Podatkow) for the Krakow team, employed by Critical Mission Solutions Sp. z o.o., part of Amentum.

Main Responsibilities

• Prepare corporate income tax return packages and associated calculations/workpapers in assigned jurisdictions.
• Assist with preparation and understanding of VAT and GST/HST Returns.
• Assist with quarterly and year‑end tax provision workings, and preparing monthly tax journal entries, both locally and for Group Reporting.
• Prepare tax Balance Sheet reconciliations.
• Assist with calculating and making corporate income tax payments.
• Assist with monthly tax cashflows and forecast.
• Work closely with Finance/Accounting teams to assist with tax related matters for statutory financial statement filings and audit.
• Assist with coordination and preparation of the UK’s Research and Expenditure Credit.
• Maintain tax working papers, files and trackers.
• Assist with HMRC queries or other tax related queries.
• Assist with internal and external audit queries.

Qualifications

• A Degree in Accounting, Finance or a related Business Degree.
• Part Tax or Accounting qualified (ATT/ACCA/ACA) is a bonus but not essential.
• Knowledge of Accounting GAAP – IFRS, US GAAP.
• Strong organizational, analytical, communication, and interpersonal skills.
• Positive attitude and dependable team player with strong attention to detail.

Compensation and Benefits

Full‑time employment contract with competitive salary. Benefits package includes medical care, life insurance, cafeteria program with co‑financing for sports activities, employee wellbeing support program, flexible working hours (start between 7:30–10:00), short Fridays, hybrid or stationary working model, modern office in an attractive location.

Legal Notice

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy, age, ancestry, military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low‑income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law.