Medical Science Liaison - Vaccines (Maternity Leave)

Sanofi; Atlantic Canada; On-site; CAD 90,000 - 130,000; Full time

Job summary

Sanofi is seeking a Medical Science Liaison for Vaccines to support field medical engagement across Ontario and Atlantic Canada. You will act as a scientific partner, exchanging data with external experts and decision-makers to accelerate vaccine-related insights and dissemination.

The role is a 1-year contract, requiring strong data interpretation, excellent communication, and bilingual capabilities in English and French. Residence in Ontario or NB is advantageous.

Qualifications

• Master's degree in a scientific, health, or medical field (MSc, PharmD, PhD, MD, or equivalent).
• 2+ years in pharmaceutical, clinical, or medical affairs industry preferred; MSL/field-based engagement experience preferred.
• French language proficiency preferred in addition to English; bilingual territory coverage (NB).
• Valid driver's license and ability to pass background check.

Responsibilities

• Engage external stakeholders (KOLs, HCPs, public health officials, payers) on medical/scientific exchange for vaccines.
• Build and maintain peer relationships with Key Opinion Leaders across the territory.
• Plan and execute territory engagement strategies aligned with the Field-Based Medical Activity Plan.
• Represent Sanofi Medical at scientific congresses and support speaker training as needed.
• Gather, record, and report insights from stakeholder interactions to inform Sanofi's scientific messages.
• Collaborate with internal stakeholders (Medical Affairs, Medical Information, Commercial Operations, Regulatory Affairs).
• Support evidence-generation activities, monitor disease epidemiology, and assist investigator-sponsored study inquiries.

Skills

French language proficiency

Strong scientific data interpretation

Excellent communication/presentation

Driver's license

Education

Master's degree in a scientific, health, or medical field

Job description

Medical Science Liaison - Vaccines (Maternity Leave)# Sanofi Careers## Medical Science Liaison - Vaccines (Maternity Leave)Apply: Toronto, ON: Halifax, NS: Full time: Posted Today: End Date: November 13, 2026 (13 days left to apply): R2875638**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 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. **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 to identify patterns, 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 concern regarding your personal information. You can also contact Canada’s Privacy Officer via Sanofi’s data subject request portal, Data Subject Rights Webform. The Data Subject Rights Webform can also be used to request 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.