Senior Tax Analyst - Income Tax

About the role

Ecolab has established a Latin American Tax and Statutory Accounting Center of Excellence (COE) in Buenos Aires, Argentina, and is expanding it with a role focused on Global Tax Reporting (accounting for income taxes) and U.S. income tax compliance. The position works closely with the U.S. global tax reporting team, supports management functions, and helps with U.S. tax return processes. It reports to the COE Tax Senior Manager (Buenos Aires) with a dotted line to the Global Tax Reporting Team (US).

Key responsibilities

• Support quarterly income tax accounting and reporting, collaborating with the U.S. Global Tax Reporting team.
• Review monthly and quarterly financial data, including income forecasts, balance sheets and income statements, and share key findings with teams worldwide.
• Gather and organize data for U.S. tax returns and year-end income tax accounting, and identify ways to improve and standardize data maintenance.
• Track global income tax payments, compare them to forecasts and update forecasts; execute monthly tax payments in Onbase or similar platforms with accurate accounting classification and coding.
• Monitor U.S. state and local tax account balances, prepare monthly reconciliations (journal entries, account activity review, supporting documentation), and support the quarterly accounting process for uncertain tax positions.
• Track global audit activity, calculate interest, prepare journal entries and keep supporting documentation.
• Work with local country finance teams and the COE team on global tax accounting reviews, and help with projects such as special tax items, discrete tax adjustments and quarterly management presentations.
• Help track global income tax return filings and compare them with financial reporting results.

Required profile

• Analyst-level role with 4+ years of experience in a relevant position.
• Familiarity with fundamental accounting principles, processes and terminology.
• Experience supporting U.S. income tax reporting, tax accounting or tax compliance, with working knowledge of U.S. corporate income tax concepts.
• Ability to interact with multiple stakeholders and to learn and adapt to new tools and processes.
• Fluent English; enthusiasm to learn about tax accounting.

Required skills

• Proficiency in SAP or similar ERP systems.
• Proficiency in Microsoft Excel and Word.
• Preferred: account reconciliation experience, experience using AI tools, continuous improvement mindset.