Company description Re:Sources is the backbone of Publicis Groupe, the world’s third-largest communications group. Formed in 1998 as a small team to service a few Publicis Groupe firms, Re:Sources has grown to 4,000+ people servicing a global network of prestigious advertising, public relations, media, healthcare and digital marketing agencies. We provide technology solutions and business services including finance, accounting, legal, benefits, procurement, tax, real estate, treasury and risk management to help Publicis Groupe agencies do what they do best: create and innovate for their clients. In addition to providing essential, everyday services to our agencies, Re:Sources develops and implements platforms, applications and tools to enhance productivity, encourage collaboration and enable professional and personal development. We continually transform to keep pace with our ever-changing communications industry and thrive on a spirit of innovation felt around the globe. With our support, Publicis Groupe agencies continue to create and deliver award-winning campaigns for their clients. Overview Manage master data transitions and validations across various ERP systems including SAP and Media Ocean. The ideal candidate will be proficient in managing global master data processes, performing UAT testing, and ensuring data integrity during ERP migrations. Responsibilities Lead Data Transition Projects: Spearhead major master data transition initiatives, ensuring smooth execution and seamless collaboration via virtual platforms like Microsoft Teams. Vendor Data Validation: Conduct in-depth validation of vendor details, including names, tax IDs, bank documents, and authorization signatures, ensuring compliance across multiple countries. SAP Data Management: Create and modify master data entries in SAP, encompassing third-party partners and intercompany relationships, ensuring accurate and timely updates. User Acceptance Testing (UAT): Oversee and execute UAT for data migration processes, ensuring business partner hierarchies are set up and modified correctly. Complex Query Resolution: Address and resolve complex master data queries from stakeholders, providing clear, actionable solutions. Stakeholder Collaboration & Compliance: Actively participate in stakeholder calls, manage internal audits, and ensure adherence to internal procedures and regulatory standards. Team Training & Development: Train new joiners and existing team members on master data management processes and ERP systems, fostering a knowledgeable, efficient team. Quality Assurance & Reviews: Lead quality checks and reviews for vendor setups and modifications, maintaining high standards for data accuracy and consistency. Qualifications Advanced studies or Bachelor’s degree in Finance, Business Administration, or related field. Advanced proficiency in Excel, Power BI, and other data analysis tools. Advanced English (oral and written skills). Minimum of 3 years of experience working with multinational business environment, project management and data analysis. Proficient in SAP ERP systems, with strong knowledge of T-codes and data management tools. Strong analytical skills with attention to detail and the ability to handle multiple tasks simultaneously. Experience in managing transitions and validations involving complex data sets and diverse stakeholder groups. Nice to have skills: Experience with ERP migrations and integrations, particularly involving SAP. Knowledge of additional ERP systems like Media Ocean, Advertmind is highly advantageous.