Vaccines
Where
extraordinary minds
help protect  half a billion people

About the job

MSLs are the extension of the medical function in the field. They build and develop enduring ‘win-win' relationships with healthcare professionals and institutions, creating constructive partnerships with internal and external stakeholders to disseminate scientific information and generate insights. MSLs provide field or hybrid medical support that is aligned and integrated to the overall medical strategy within the BU.

About Sanofi:

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.

Main responsibilities:

• Engage proactively and reactively with healthcare professionals and institutions.
• Strategic territory planning: Ability to develop and implement regional engagement strategies.
• CRM expertise: Proficient in using relationship management platforms to document interactions and generate insights.
• Cross-functional teamwork: Proven track record collaborating with Medical, Commercial, Market Access, and Regulatory teams.
• Engages external stakeholders on medical and scientific information exchange for the vaccines area during one-to-one interactions and group settings.
• Organizes and engages KOLs (Key Opinion Leader) & HCPs (Healthcare Professional) during local group scientific meetings (hospital staff meetings, webinars, etc.) according to the Stakeholder Engagement plan, aligned with Country & regional medical plan.
• Develops and maintain trusted partnerships, through scientific engagement and exchange, with healthcare professionals and institutions in a rapidly evolving healthcare environment.
• Communicates the clinical value of the TA products “Vaccine prevention strategy” to population-health/formulary decision makers (outcomes Liaisons, as applicable).
• Provides high-quality, accurate, balanced and directed information to key customers and stakeholders in response to unsolicited requests for information, supports investigators in clinical studies submissions, management of regional advisory boards or scientific societies.
• Develops and executes the individual stakeholder engagement plans, aligned with the Medical Plan.
• Generates high-value, actionable insights and proposes solutions.
• Collaborates effectively with relevant internal stakeholders while maintaining full compliance with company, industry, legal and regulatory requirements.
• Contributes to evidence-generation activities, supporting both internal evidence-generation projects and clinical studies.

About you

• You hold an MD, Pharmacy degree, or other relevant science degree and have proven experience in MSL or Medical Affairs roles.
• You excel at stakeholder strategy development and planning, turning complex relationships into powerful partnerships that drive results.
• Scientific Excellence – Proven ability to deliver impactful medical communications.
• Public health engagement: Experience interacting with regional health authorities and healthcare system stakeholders (preferred).
• Experience maximizing engagement across multiple channels and formats.
• Hands-on experience with CRM platforms and relationship management tools.
• English – Intermediate to high-level business proficiency (spoken & written) your gateway to impactful scientific communication.

Why choose us?

• Make your work count by supporting a company that brings life-changing treatments to millions — and is committed to doing right by patients, communities, and the planet.
• Drive progress from within by helping simplify, scale, and modernize how a global biopharma business delivers smarter, faster, and more sustainably.
• Support teams across science, medicine, and operations by building better systems, shaping bold strategies, and enabling innovation at speed.
• Make an impact across borders and functions, collaborating with leaders to turn complex challenges into real-world solutions.

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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.

Watch 'One day at Sanofi' and check out our Diversity Equity and Inclusion initiatives at sanofi.com