
Vaccines
Where
extraordinary minds
help protect half a billion people
Senior Medical Science Liaison, Vaccines - Western Canada
Who we are
Every day, 2.5 million Sanofi vaccine doses reach patients worldwide - powered by bold ideas, cutting-edge science, and passionate people like you. Across every stage — from discovery to delivery — Sanofians are shaping the future of vaccines. In global R&D hubs, exceptional offices, and state-of-the-art manufacturing sites, we’re reimagining what’s possible. But science alone isn’t enough — it’s the extraordinary minds behind it that truly make the difference.
Reference No. R2794910
Position Title: Senior Medical Science Liaison, Vaccines
Department: Medical Affairs Vaccine Canada
Location: Western Canada (BC/Alberta)
About the Job
We are an innovative global healthcare company that helps the world stay ahead of infectious diseases by delivering more than 500 million vaccine doses a year. Across different countries, our talented teams are exploring new technologies to protect people and promote healthy communities. We chase the miracles of science every single day, pursuing progress to make a real impact on millions of patients around the world.
Senior Medical Science Liaisons (Sr. MSLs) are experienced MSLs with a proven track record in building and maintaining external stakeholder relationships and delivering on projects. Sr. MSLs leverage their scientific expertise to engage with healthcare professionals, institutions, and payers in a non-promotional manner. Sr. MSLs form partnerships with these stakeholders to deliver on the Medical strategy and provide insights to improve patient pathways and outcomes. Sr. MSLs also act as a valuable coach and mentor for the MSL team.
Main Responsibilities:
External Stakeholder Engagement (60%)
Build and develop enduring peer-to-peer relationships with healthcare professionals, institutions and payers through scientific engagement and exchange.
Communicate science and collaborate effectively with stakeholders to positively shape patient care.
Understand KOL perspectives and needs to adapt and be relevant and valued by the stakeholder.
Act as partners to identify areas of mutual collaboration and contribute to the development and implementation of strategic field Medical engagement plans aligned to the CMP.
Communicate in an accurate, fair, and balanced manner, the benefits, risks, appropriate use, and clinical of the Vaccine portfolio.
Generate and share actionable and valuable insights then propose solutions in a timely manner, utilizing appropriate tools available and lead efforts on proposed solutions.
Supply data, facts, and observations and then lead the collation, analysis, and evaluation aspects of the Insights Generation process.
Support the team with data analysis and evaluation, escalating and following up on critical insights.
Operate independently and support the teamto develop healthcare networks and navigate the complex healthcare environments at national, regional, and local levels.
Internal Communication/Collaboration (15%)
Work closely with office and field based Medical teams to shape, develop, and co-execute the CMP.
Lead projects, hold others accountable, and deliver results within timelines while communicating consistently and effectively with internal stakeholders.
Develop and maintain an internal stakeholder network, including leadership teams.
Provide scientific and technical support towards material development for internal and external stakeholders, where applicable and aligned with relevant policies.
Provide scientific support for internal functions such as commercial, market access, regulatory/PV, and R&D regarding scientific trainings and updates.
Operate independently and support the teamto develop healthcare networks and navigate the complex healthcare environments at national, regional, and local levels.
Improve MSL team effectiveness by supporting the CA Medical Head in coaching and mentoring the team through optimized use of the Scientific Engagement Model and supporting onboarding and enduring training.
Initiate, plan, execute, monitor, and complete complex Medical projects in a logical sequence within given time and resource constraints.
Data Generation (10%)
Identify potential data sources and develop partnerships for clinical studies (i.e., real-world evidence, IIS)
Support data generation and identify opportunities for further data collection by:
Engaging with clinical investigators to support company sponsored trials.
Supporting investigator sponsored studies, either clinical or investigator-led, in a compliant manner
Support real-world evidence (RWE) development according to local needs.
Internal Training and Education (5%)
Complete MSL onboarding and certification program
Complete all MSL SOP trainings and all other corporate assigned compliance trainings.
Commit to applying and continued practice of the Scientific Engagement Model and Insights process.
Continue to develop and maintain technical therapy area and soft skills.
Create individual development plan aligned with career aspirations.
About You
Requirements:
Education/Experience/Certification
Basic Qualifications:
Advanced degree in Medical, scientific, or pharmacy field (MD, PhD, PharmD, Masters)
+5 years of customer facing Medical experience.
Strong communication and presentation skills to simplify complex topics, good negotiation and networking skills including familiarity with multi-channel tools and ability to communicate via digital channels from remote environment.
Demonstrated success in project management and experience with mentoring and coaching MSLs.
Preferred Qualifications:
Demonstrated success in project management and experience with mentoring and coaching MSLs.
Competencies that the successful candidate should possess:
Possess in-depth knowledge of the disease state, therapeutic area, relevant products in the Vaccine portfolio and pipeline.
Good knowledge of pharmacovigilance and local regulatory process and its impact on the Vaccine portfolio
Strong business acumen, with experience building strategic Medical plans and successfully implementing Medical initiatives.
Seen as role model, upholding integrity and ethics values and adhering to high standards
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 is now open for applications.
Sanofi is an equal opportunity employer committed to diversity and inclusion. Our goal is to attract, develop and retain highly talented employees from diverse backgrounds, 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.
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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.
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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Why work with us
- We’re problem-solvers and pioneers - united by the belief that everyone deserves a healthier future. We create best-in-class vaccines that prevent disease and protect lives.
- Innovation drives us. From AI and mRNA to next-gen science, we push the boundaries to deliver first- and best-in-class vaccines for infectious diseases worldwide.
- Growth happens here. With bold investments in R&D and world-class facilities, Sanofians across the entire vaccine lifecycle are shaping the future of global health.
- We do what’s right. Sustainability and DE&I drive our positive global impact—because the diverse communities Sanofians represent are the patients we serve.
What does it take to protect the world from disease?
For over a century, we’ve been pioneering breakthroughs that help protect millions from diseases like polio, influenza, RSV, and more. And we’re not stopping there.
Powered by groundbreaking technologies - mRNA platforms, recombinant proteins, and AI-driven insights - we’re pushing the boundaries of science.

"I’m immensely proud of the pace of our innovation – the urgency by which our teams are working to transform the practice of medicine."

Thomas Triomphe
Executive Vice President, Vaccines
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Sanofi’s mRNA Center of Excellence
Step into the future of healthcare with Sanofi’s mRNA Center of Excellence. Discover how a global team is transforming medicine with cutting-edge mRNA technology – and explore the skills, inspirations, and breakthroughs driving this revolution. Ready to shape the future?

About Sanofi Vaccines
Explore our commitment to protecting global health through the power of vaccines. We’re building healthier communities with innovative solutions that save millions of lives each year. Dive into the future of vaccines, discover the diseases we’re tackling, and learn why vaccination is critical at every stage of life.

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