Workday Data Migration and Conversion Lead

within the Data Governance and Master Data Management (MDM) team — and you will have the mandate, authority, and resources to establish the governance framework, templates, and processes that will define how Sanofi manages data migration globally.

You will lead a team of four Data Migration and Mapping Analysts — all new hires — and work at the intersection of technology, data governance, and business transformation. From M&A integrations to global reorganizations, your work will directly enable Sanofi's operational excellence, AI readiness, and strategic growth agenda.

If you thrive on building new capabilities, driving organizational change, and making a measurable impact on a global scale, this role is for you.

Key Responsibilities

Data Migration Leadership & Governance

• Own all Workday data mapping, migration, and bulk data load execution globally

• Act as the

for all mass data movement in Workday

• Ensure all data loaded into or extracted from Workday adheres to global data standards, governance policies, and quality rules

• Control and govern who can execute mass loads globally, preventing uncontrolled or local loads that bypass governance frameworks

Workday Data Mapping & Integration

• Own source-to-Workday field mapping for all inbound and outbound data flows

• Define and document transformation logic, validation rules, and value conversions

• Maintain a central, controlled mapping repository aligned to the global data model

• Ensure all mapping follows Workday configuration standards and global data governance requirements

Bulk Load Management & Execution

• Lead all Workday bulk loads using Enterprise Interface Builder (EiB) and other approved tools

• Design templates, sequencing, dependencies, and validation checks for all load activities

• Manage test loads, reconciliations, and production loads end-to-end

• Create and maintain migration playbooks, mock loads, and cutover plans to ensure a repeatable, audit-safe migration framework

M&A and Divestiture Excellence

• Lead Workday data migration for all acquisitions, mergers, and divestitures globally

• Assess incoming HR data from acquired entities and map to Sanofi's Workday global structure

• Define the cleansing, transformation, and loading approach for acquired employee populations

• Manage Workday data extraction and separation activities for divestitures

• Ensure

for all employee data in Workday during transactions

• Coordinate with HRIS, IT, Legal, and integration teams throughout the transaction lifecycle

Organizational Change Support

• Lead mass structural and organizational data loads in Workday

• Execute reorganizations, cost center changes, and hierarchy restructuring

• Drive global standardization and harmonization loads across the organization

• Support reporting accuracy and AI readiness through correct and consistent data structures

Data Quality & Compliance

• Enforce data quality standards before any Workday load is executed

• Partner with Data Governance and Data Quality teams on remediation act

• vities

• Reject or escalate non-compliant data to protect system integrity and reporting accuracy

• Maintain a full audit trail of all Workday mass loads and migrations

• Ensure compliance with data security and privacy regulations

• Support internal and external audits with complete documentation

Stakeholder Collaboration

• Serve as the

for all Workday migration and bulk load requests

• Partner with HRIS/Workday technology teams and transformation programmes

• Advise projects on feasibility, sequencing, and risk management

• Collaborate with P&C, Org Design, Tech Strategy, GPO, and People Services teams

• Maintain a controlled library of mapping files, EiB templates, migration playbooks, load runbooks, reconciliation reports, and rollback procedures

Team Leadership

• Build and lead a team of 4 Data Migration and Mapping Analysts from the ground up

• Establish team processes, standards, and best practices for data migration governance

• Provide mentoring, performance management, and professional development for team members

• Foster a culture of quality, accountability, and continuous improvement

What Success Looks Like

• Workday data is fit for global reporting, payroll, and AI use

• Clean M&A and divestiture data transitions with Day 1 readiness achieved

• No uncontrolled mass updates occurring in Workday

• Full mapping transparency and reuse across the organization

• Improved data quality post-load with reduced remediation needs

• Audit-ready Workday data load environment at all times

• All mass loads following approved templates and governance processes

• Teams across the organization adopting centralized templates and playbooks

• Reduced external consulting spend for data migration work

About you

Required Qualifications

• Education & Experience: Bachelor's degree in information systems, Data Management, Computer Science, or a related field

• Overall 10+ years of experience with minimum 5 + years in data management, migration, or related roles.

• Proven experience leading data migration projects in complex, global organizations.

• Demonstrated M&A integration experience with significant data migration components

• Experience building and leading technical teams

Technical Expertise

• Workday EiB (Enterprise Interface Builder) certification — ighly Preferred.

• Workday HCM (Human Capital Management) certification — REQUIRED

• Deep expertise in data mapping, transformation, and migration methodologies

• Strong understanding of data governance principles and practices

• Experience with data quality assessment and remediation

• Knowledge of data privacy and security compliance requirements

Leadership & Interpersonal Skills

• Proven ability to build and lead high-performing teams

• Strong stakeholder management and communication skills across all levels

• Experience working with global, cross-functional teams in a matrixed environment

• Ability to influence and drive change across organizations without direct authority

• Strong analytical and problem-solving capabilities

• Excellent project management skills with the ability to manage multiple priorities

Preferred Qualifications

• Master's degree in a relevant field

• Additional Workday certifications (Integrations, Security, etc.)

• Experience with other HRIS platforms and migration tools

• Knowledge of AI/ML applications in HR data

• Experience in the pharmaceutical or healthcare industry

• Agile/Scrum methodology experience

Why Join Sanofi?

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