The Senior Accountant is a key contributor within the U.S. Accounting & Reporting team and will play a critical role in the successful integration of the Alastin business into the Oracle ERP environment. This position is responsible for leading financial master data cleansing, validation, and mapping activities including General Ledger accounts, cost centers, strategic customers, and building appropriate reporting to ensure a seamless transition into Oracle with no disruption to business operations at go-live. In addition to integration-related responsibilities, the Senior Accountant executes core Record-to-Report (R2R) activities and supports the preparation of accurate, timely, and technically compliant financial reporting in accordance with International Financial Reporting Standards (IFRS) and *** Accounting Manual (GAM) requirements. The role serves as a key business partner across Finance, Operations, Commercial, and IT teams to ensure financial data integrity, reporting accuracy, and sustainable processes during and after the integration.