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Senior Change Manager

Synthorx

Synthorx

Barcelona, Spain
Posted on Feb 9, 2026

SENIOR CHANGE MANAGER

BUSINESS OPERATIONS

Position Details

  • Locations : Paris and Hub Locations

  • Travel: 30% expected

  • Job type: Permanent, Full time, Hybrid (as per policy)

About the Role

The Senior Change Manager will drive and orchestrate the execution of complex change management initiatives across transformation “flagship” programs resolving significant standardization, simplification and process optimization challenges for Sanofi and impacting large numbers of employees or service users.

This requires communicating and interacting with senior stakeholders, challenging the way we work across various functions and partnering enterprise-wide with COEs, support functions like Digital, P&C, Finance, aligning with GPOs etc.

It is a single contributor role which is expected to work self-responsibly, combining strategic change planning with hands-on execution, supporting Sanofi's mission to deliver best-in-class enterprise services through strong influencing and business partnership skills.

Main Responsibilities

1. Strategy & Framework Development

  • Design, plan and implement comprehensive change management strategies for complex transformation initiatives

  • Develop change management toolkits, templates, and best practices for Business Operations in line with global change management methodology for Sanofi, partnering closely with global team in P&C

2. Transformation Change Management Execution

  • Lead end-to-end change management for strategic transformation programs

  • Conduct comprehensive change impact assessments and stakeholder analysis

  • Develop and execute change management plans to maximize adoption and minimize resistance

  • Integrate change and communication activities into transformation plans

  • Perform proper tracking of deliverables and adjust plans based on organizational needs

  • Collaborate with transformation leaders to ensure seamless integration of change activities

3. Knowledge Sharing & Capability Building

  • Train change managers and other stakeholders on change methodology and best practices

  • Establish and facilitate a community of Change Agents across the organization

  • Promote change management mindset across BO organization

4. Stakeholder Management & Risk Mitigation

  • Assess change readiness across impacted groups and identify potential resistance

  • Develop and implement mitigation strategies for change-related risks

  • Build and maintain strong relationships with stakeholders at all levels, including senior leadership

  • Facilitate effective stakeholder engagement and communication throughout change processes

  • Influence and engage stakeholders to drive successful change outcomes

5. Monitoring & Continuous Improvement

  • Monitor and track project milestones, KPIs, and success metrics

  • Evaluate effectiveness of change management initiatives

  • Drive continuous improvement of change frameworks and toolkits

  • Ensure compliance with established standards and methodologies

  • Report status and progress to leadership

Required Qualifications

Experience

  • 5+ years of transformation experience in GBS industry

  • Proven track record in change management with demonstrated success in transformation projects

  • Strong project management skills with experience leading complex change initiatives

  • Experience advising and delivering complex change programs

  • Track record of incorporating change management practices into strategic projects

  • Ideally also business acumen in one of the areas where we have strategic projects (like global meeting & events, procurement, Finance, Medical

Key Skills

  • Strong stakeholder management capabilities at all levels of the organization, including senior executive stakeholders

  • Excellent written and oral communication and interpersonal skills

  • Strategic thinking with strong analytical and problem-solving abilities

  • Self-starter with strong initiative and ability to work independently under pressure

  • Ability to work effectively in uncertain, constantly changing environments

  • Multi-tasking capabilities with strong prioritization and time management skills

  • Collaborative mindset with ability to work across diverse functional teams

  • Resilient and tenacious with propensity to persevere

  • Ability to develop high-quality documents and presentations

Education & Certifications

  • Bachelor's degree required (Business Administration, Organizational Development, Project Management, or related field)

  • Master's degree preferred

  • Change management certification preferred (e.g., Prosci)

  • Project management certification a plus

  • Knowledge/certification in Continuous Improvement methodologies a plus (e.g., Lean, Six Sigma)

  • Fluent in English, second language is a plus

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