**About the job** Sanofi is seeking a meticulous and experienced leader for the role of **Workday Core MDM Manager** . This critical position is responsible for managing all hierarchical structures within Workday, including finance metadata, custom organizations, and talent pools. The Workday Core MDM Manager will also govern the adoption of position management best practice, including supervisory organization structures, and oversee Workday reorganization activities associated with acquisitions, divestitures, or company restructuring. Expertise in Workday OrgStudio and other relevant tools is essential, along with a Workday HCM Pro certification. We’re an R&D-driven, AI-powered biopharma company committed to improving people’s lives and delivering compelling growth. Our deep understanding of the immune system – and innovative pipeline – enables us to invent medicines and vaccines that treat and protect millions of people around the world. Together, we chase the miracles of science to improve people’s lives. **Key Responsibilities:** + Oversee and manage all hierarchical structures within Workday, including finance metadata, custom organizations, and talent pools. + Ensure that all hierarchies are accurately maintained and align with Sanofi's organizational requirements. + Govern and manage position management processes within Workday, including the supervision of organization structures. + Ensure that all position data is accurate, up-to-date, and compliant with company policies and standards. + Lead and manage Workday reorganization activities associated with acquisitions, divestitures, or company restructuring. + Utilize Workday OrgStudio and other relevant tools to ensure smooth and effective transitions during organizational changes. + Collaborate closely with cross-functional teams, including HR, Finance, and IT, to ensure that all hierarchical and position management processes align with business needs. + Provide guidance and support to stakeholders on Workday data management matters. + Drive continuous improvement initiatives related to Workday core data management, ensuring that data structures evolve to meet changing business needs. + Stay abreast of industry best practices and Workday updates to maintain high standards of data management. + Ensure that all hierarchical and position management processes within Workday adhere to compliance requirements and maintain the highest standards of data integrity. + Implement and enforce data governance policies to safeguard organizational data. + Ensuring compliance with internal control requirements of Globally defined Model, according to People Services Global Core Model + Management of Support and Service Requests to ensure the solving is following the SLA’s, as well as to identify trends in the requests + Proposes and drives implementation and improvements to global master data model + Ensures Workday configurations reflect agreed global model, avoids over-customization, and aligns data structures with digital/automation strategy + Ensures awareness and change management from global perspective **Experience and skills:** + Minimum of 7 years of experience in data management, HRIS, or related fields, with at least 3 years in a role managing hierarchical data structures and position management within Workday. + Strong technical knowledge of Workday, with hands-on experience managing hierarchical structures and position management. + Proficiency in Workday OrgStudio and other relevant tools is essential. Workday HCM Pro certification is required. + Proven ability to lead data management initiatives and collaborate effectively with cross-functional teams. + Strong interpersonal skills with the ability to engage and influence stakeholders at all levels. + Exceptional attention to detail with a commitment to maintaining high standards of data accuracy and integrity. + Ability to manage complex data structures and ensure compliance with organizational policies. + Excellent verbal and written communication skills, with the ability to convey complex technical concepts to diverse audiences. + Experience in leading change management initiatives related to data management is a plus. + Bachelor’s degree in Data Management, Information Technology, Human Resources, or a related field. + Advanced degree or relevant certifications are preferred. + Business level English is required **_Why choose us?_** + Be part of a pioneering biopharma company where patient insights shape drug development. + Work at the forefront of AI-powered science that accelerates discovery and improves outcomes. + Collaborate beyond your expertise, sparking new ideas with diverse, multidisciplinary teams. + Explore bold career paths – with opportunities to grow through scientific, leadership, and cross-functional moves. + Care for yourself and your loved ones with generous health and well-being benefits, including top-tier healthcare and 14 weeks’ gender-neutral parental leave. **Pursue** **_Progress_** **.** **Discover** **_Extraordinary_** **.** Join Sanofi and step into a new era of science - where your growth can be just as transformative as the work we do. We invest in you to reach further, think faster, and do what’s never-been-done-before. You’ll help push boundaries, challenge convention, and build smarter solutions that reach the communities we serve. Ready to chase the miracles of science and improve people’s lives? Let’s Pursue _Progress_ and Discover _Extraordinary_ – together. At Sanofi, we provide equal opportunities to all regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, protected veteran status or other characteristics protected by law. **Pursue** **_progress_** **, discover** **_extraordinary_** Better is out there. Better medications, better outcomes, better science. But progress doesn’t happen without people – people from different backgrounds, in different locations, doing different roles, all united by one thing: a desire to make miracles happen. So, let’s be those people. At Sanofi, we provide equal opportunities to all regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, ability or gender identity. Watch our ALL IN video (https://www.youtube.com/watch?v=SkpDBZ-CJKw&t=67s) and check out our Diversity Equity and Inclusion actions at sanofi.com (https://www.sanofi.com/en/our-responsibility/equality-and-inclusiveness) ! Global Terms & Conditions and Data Privacy Statement (https://www.sanofi.com/en/careers/global-terms-and-conditions/) Sanofi is dedicated to supporting people through their health challenges. We are a global biopharmaceutical company focused on human health. We prevent illness with vaccines, provide innovative treatments to fight pain and ease suffering. We stand by the few who suffer from rare diseases and the millions with long-term chronic conditions. With more than 100,000 people in 100 countries, Sanofi is transforming scientific innovation into healthcare solutions around the globe. Discover more about us visiting www.sanofi.com or via our movie We are Sanofi (https://youtu.be/96EwNjb1TLo) As an organization, we change the practice of medicine; reinvent the way we work; and enable people to be their best versions in career and life. We are constantly moving and growing, making sure our people grow with us. Our working environment helps us build a dynamic and inclusive workplace operating on trust and respect and allows employees to live the life they want to live. All in for Diversity, Equity and Inclusion at Sanofi - YouTube (http://www.youtube.com/watch?v=SkpDBZ-CJKw&t=2s)