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Vaccines

Vaccines
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extraordinary minds
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half a billion people

Medical Science Liaison - Vaccines- Ohio & Western PA

Remote, USA Salary Range   USD 146,250.00 - 211,250.00
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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.

Job Title: Medical Science Liaison - Vaccines- Ohio & Western PA

  • Location: Remote

About the Job

The Mission of Sanofi’s MSL Team and the  Medical Science Liaison is to be the trusted scientific partners in the field for external experts and decision-makers engaging in mutual scientific exchanges to accelerate data dissemination.  Sanofi’s Medical Field base teams enhance the understanding of the scientific and medical value of our products in the therapeutic area and gather new insights by bringing cutting edge scientific exchange today that accelerates medical innovation tomorrow.

Join the engine of Sanofi’s mission — where deep immunoscience meets bold, AI-powered research. In R&D, you’ll drive breakthroughs that could turn the impossible into possible for millions.

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:

The Medical Science Liaison (MSL) is field-facing role whose main objectives are to:

  • Exhibits strong knowledge of relevant diseases, vaccine, healthcare environment, competitors; can articulate the medical and scientific value of our vaccines.

  • Be the trusted scientific partner to key external experts by conducting timely, appropriate and frequent scientific exchanges to enhance the understanding of the scientific and medical value of our products.

  • Execute on stakeholder engagement plans to gather data, develop and share medical insights that contribute to enhancement of Sanofi’s key medical messages, plans and future research.

  • Keep abreast of medical and scientific developments in the therapeutic field to help identify and critically assess research opportunities and to play a supportive role in the execution of evidence generation plans to enhance the value of our products in a real-world setting.

  • Recognize, record and share insights that deepen our understanding of the needs of patients, consumers, regulators, payers, and healthcare providers and proactively contributes towards identifying unmet needs.

  • Maintain effective and appropriate communication among internal stakeholders (Medical Affairs colleagues, Medical Information and Commercial Operations) while maintaining full compliance with relevant company, industry, legal and regulatory requirements.

  • Demonstrate operational understanding and risk management by ensuring excellence in execution of all governance processes.

About You

Basic Qualifications:

  • Advanced degree in a technical, scientific or medical field (MD, PhD, Pharm D).

  • Previous experience in vaccines or infectious diseases is an asset

  • Previous pharmaceutical industry experience preferred.

  • Clear understanding of medical practice, clinical decision making and healthcare systems related  to patient care.

  • Ability to interpret key scientific data and translate this information to meet educational and research needs.

  • Demonstrated ability to address educational and research needs through delivery of cutting edge scientific/evidenced based data.

  • Understand the design and execution of research studies.

  • Exemplary communication and presentation skills.

  • Experience in working on multi-disciplinary teams and managing significant volume of projects.

  • Experience in the use of digital software and platforms.

Preferred Qualifications:

  • Actively listens to others and is adept at confidently stating expert opinion while respecting the positions of others - can exert diplomacy while standing firm on a position.

  • Utilizes effective, professional communications to cultivate strong working relationships with internal and external colleagues, flexible in own approach to people and situations.

  • Skilfully plans, prioritizes, and executes multiple responsibilities and projects.

  • Demonstrates effective leadership skills (by example and through accomplishments), steps forward to handle challenges within scope of authority.

  • Deep understanding and knowledge of local regulations and codes of practice for pharmaceutical industry, in particular as they apply to the non-promotional activities of this role.

  • Demonstrates scientific expertise - stays abreast of data, treatment trends, and new information in the profession and ability to articulate therapeutic knowledge and translate expert feedback into appropriate insights.

  • Knowledge of relevant healthcare systems, the evolving medical landscape, regulatory and payer environment, public health and industry trends.

  • Proficiency in digital tools.

  • The MSL will work in the following areas of the country: Ohio and Western PA.

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 and at least 14 weeks’ gender-neutral parental leave.

  • Be part of a pioneering biopharma company that engages patients early in drug development and uses their insights to design studies that reflect real-world needs.

  • Help improve the lives of millions of people globally by making drug development quicker and more effective.

  • Work at the forefront of drug discovery, harnessing cutting-edge AI, data, and digital platforms to push the boundaries of science.


Sanofi Inc. and its U.S. affiliates are Equal Opportunity and Affirmative Action employers committed to a culturally diverse workforce. All qualified applicants will receive consideration for employment without regard to race; color; creed; religion; national origin; age; ancestry; nationality; marital, domestic partnership or civil union status; sex, gender, gender identity or expression; affectional or sexual orientation; disability; veteran or military status or liability for military status; domestic violence victim status; atypical cellular or blood trait; genetic information (including the refusal to submit to genetic testing) or any other characteristic protected by law.

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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.

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

Final compensation will be determined based on demonstrated experience, skills, location, and other relevant factors. Employees may be eligible to participate in Company employee benefit programs.

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Join us in locations throughout the
United States.

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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.

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"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

Discover more

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Sanofi’s mRNA Center of Excellence

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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.

Learn more

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