Reference number: R2875638

Position Title: Medical Science Liaison - Vaccines

Department: Canada Field Medical Vaccines

Location: Field Position (Ontario & Atlantic Canada)

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 cutting-edge 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.

About The Job
Join the team protecting half a billion lives every year with next‑gen science, mRNA innovation, and AI-driven breakthroughs. In Vaccines, you’ll help advance prevention on a global scale - and shape the future of immunization.

As Medical Science Liaison, Vaccines, within our Medical Affairs team, you will serve as a trusted scientific partner in the field for external experts and decision‑makers, engaging in mutual scientific exchanges to accelerate data dissemination. This is a 1-year, temporary contract position supporting field medical coverage for the vaccines portfolio across Ontario and Atlantic Canada (New Brunswick, Nova Scotia, Prince Edward Island, and Newfoundland & Labrador), ensuring continuity of scientific engagement across these territories.

The MSL conducts timely, appropriate, and frequent scientific exchanges with key external experts; executes stakeholder engagement plans to gather data and develop medical insights; and keeps abreast of developments in vaccinology and infectious disease prevention to identify and assess research opportunities — while ensuring full compliance with company, industry, legal, and regulatory requirements.

Main Responsibilities

Engage external stakeholders (KOLs, HCPs, public health officials, payers) on medical/scientific exchange for vaccines and vaccine‑preventable diseases

Build and maintain peer relationships with Key Opinion Leaders and stakeholder partners across the territory

Plan and execute territory engagement strategies aligned with the Field‑Based Medical Activity Plan

Represent Sanofi Medical at relevant scientific congresses/symposia; support speaker training and local advisory boards as needed

Gather, record, and report insights from stakeholder interactions to inform Sanofi's scientific messages and strategy

Collaborate with internal stakeholders (Medical Affairs,



Medical Information, Commercial Operations, Regulatory Affairs)

Support evidence‑generation activities, monitor disease epidemiology, and support investigator‑sponsored study inquiries

Manage a defined stakeholder base across Ontario and Atlantic Canada, maintaining an engagement tracking database

Ensure proper documentation and handover of stakeholder relationships at the end of the contract term

About You
Required Qualifications

Master's degree in a scientific, health, or medical field (MSc, PharmD, PhD, MD, or equivalent)

Valid driver's license, clean driving record, ability to pass background check

2+ years in pharmaceutical, clinical, or medical affairs industry preferred; MSL/field‑based scientific engagement experience preferred

Strong scientific data interpretation and communication/presentation skills

Ideally resides in Ontario (Atlantic Canada candidates considered)

French language proficiency preferred in addition to English fluency, given bilingual territory coverage (notably New Brunswick)

Preferred Qualifications

Strong stakeholder communication, diplomacy, and relationship‑building skills

Knowledge of Canadian pharmaceutical/vaccines regulations and codes of practice, particularly non‑promotional activity requirements

Strong scientific/therapeutic expertise and ability to translate stakeholder feedback into actionable insights

Familiarity with Canada's public health, immunization, and regulatory/payer landscape

Digital tool proficiency

Why Choose Us?

Bring the miracles of science to life alongside a supportive, future‑focused team.

Discover endless opportunities to grow your talent and drive your career, whether it’s through a promotion or lateral move, at home or internationally.

Enjoy a thoughtful, well‑crafted rewards package that recognizes your contribution and amplifies your impact.

Take good care of yourself and your family, with a wide range of health and wellbeing benefits including high‑quality healthcare, prevention and wellness programs





This position is for a new vacant role that we are actively hiring for.

Applications received after the official close date will be reviewed on an individual basis.

AI Usage
“Artificial Intelligence” refers to any systems that use automated processes, including algorithms and machine learning, to analyze data and make predictions, inferences, decisions, or recommendations without direct human involvement. These systems may process personal information toidentifypatterns, improve services, or support decision‑making. The Company may use Artificial Intelligence for purposes including, but not limited to, resume screening and hiring, scheduling interviews or meetings, conducting surveys, matching skills with potential job openings, interview scoring, ensuring compliance with regulations applicable to our industry, and activities related to performance evaluation. Information collected and processed by the Company’s Artificial Intelligence systems may include the personal information detailed above and calendar availability. It excludes the information collected and processed for monitoring purposes. You should contact Human Resources if you have a question or concernregardingyour personal information. You can also contact Canada’s Privacy Officer via Sanofi’s datasubject request portal,Data Subject Rights Webform.TheData Subject Rights Webformcan also be used torequest access or correction of your personal information and file a complaint.

Sanofi is an equal opportunity employer committed to culture, inclusion, and experience. Our goal is to attract, develop and retain highly talented employees, allowing us to benefit from a wide variety of experiences and perspectives. We welcome and encourage applications from all qualified applicants. Accommodations for persons with disabilities required during the recruitment process are available upon request.

#GD-SP
All compensation will be determined commensurate with demonstrated experience. Employees may be eligible to participate in Company employee benefit programs, and additional benefits information can be found here.

Toute compensation sera déterminée en fonction de l'expérience démontrée. Les employés peuvent être admissibles à participer aux programmes d'avantages sociaux de l'entreprise. Des informations supplémentaires sur les avantages sociaux peuvent être trouvées ici.

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