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Senior Medical Science Liaison - Vaccines - New England



Boston, MA, USA
Posted on Friday, May 12, 2023

Senior Medical Science Liaison - Vaccines - New England

Boston, Massachusetts, Remote


From Research and Development to Sales and Marketing, Sanofi offers a wide range of possibilities. Discover our open positions and become a health journey partner.

Success Profile

Do you have what it takes for a successful career with Sanofi?

  • Courageous
  • Results-driven
  • Proactive
  • Problem-Solver
  • Leadership
  • Team player

Culture: Play to Win

  • Growth

  • Innovation

  • Efficiency

  • Collaboration


  • Health & Wellness

    Comprehensive coverage including medical, dental, vision, and health and wellness programs.

  • Financial

    Sanofi wants to ensure employees are equipped for financial health, Sanofi provides a competitive 401K Match program and Financial Wel-Being Tools and Programs.

  • Culture

    At Sanofi, we demonstrate our commitment to inclusion and diversity through Culture groups and programs. There are many ways to make a difference and connect with other Sanofi employees: including ERG groups and 2 PAID days off to Volunteer.

  • Work/Life Balance

    Sanofi provides significant Work/Life benefits to help you excel beyond the workday. Including Workplace Flexibility through part‑time, remote work, flex‑time and job share options.


"At Sanofi, We are guided by a deep appreciation and understanding of what it means to live with a rare blood disorder, and we learn by listening to the community – patients, caregivers physicians, and other healthcare professionals."

Shannon Resetich US Head Rare Diseases & Blood Disorders

"Patients are at the center of all that we do at Sanofi. Our teams are focused on advancing transformational therapies that can address serious unmet needs for people living with rare blood disorders, and expanding global patient access to our medicines."

Mouhamed Gueye US Head Medical Rare Blood Disorders


Position Overview

Medical Science Liaisons (MSLs) engage with healthcare professionals, institutions and payers, in a non-promotional manner, to identify and address their needs. MSLs use their scientific expertise to communicate and form partnerships to deliver the medical strategy, capture actionable insights and ultimately improve patient pathways and outcomes.

NOTE: Territory includes MA, CT, VT, NH, RI, ME. The successful candidate will live in the territory or be willing to relocate at their own cost. Target candidate preferred location will be in Boston, MA.

MSL Role

  • To build and develop enduring value-based trusted partnerships, through scientific engagement and exchange, with healthcare professionals and institutions in a rapidly evolving healthcare environment.

  • To engage proactively and reactively with healthcare professionals, payers and institutions.

  • To execute the Country Medical Plan.

  • To generate actionable and valuable insights and propose solutions.

  • To create cross functional partnerships and collaborate with internal stakeholders.

  • All MSLs comply with the local and corporate compliance frameworks for external and internal interactions and complete all global/local mandatory trainings.

Key Accountabilities

Scientific Engagement and Exchange

Through scientific engagement and exchange, MSLs build and develop enduring needs-based peer-to-peer relationships with healthcare professionals, institutions and payers.

  • MSLs understand external stakeholder perspectives and needs to adapt and be relevant and valued.

  • Acting as partners, MSLs identify areas of mutual collaboration, developing and implementing strategic medical action plans aligned to the Country Medical Plan.

  • MSLs communicate in an accurate, fair and balanced manner, the benefits, risks, appropriate use and clinical value of our products and solutions.

  • MSLs operate independently (with minimal supervision) and develops healthcare networks to navigate the complex local health care environments at national, regional and local level.

Insight Generation

  • MSLs generate and share actionable and valuable insights and propose solutions/actions in a timely manner, utilizing appropriate tools available.

  • MSLs gather data, facts and observations on the external healthcare environment towards generating internal insights.

Internal Collaboration

  • MSLs work closely with their office based medical counterpart to shape, develop and co-execute the Country Medical Plan.

  • MSLs develop and maintain an internal stakeholder network.

  • MSLs provide scientific and technical support towards material development (aligned with relevant policies) for internal and external stakeholders, where applicable.

  • MSLs provide scientific support for internal functions such as commercial, market access, regulatory/PV and R&D regarding scientific trainings and updates.

Supporting Evidence Generation

  • MSLs support development and execution of clinical trials.

  • MSLs identify potential data sources and develop partnerships for RWE.

Training / Compliance

  • Complete all MSL SOP trainings and all other corporate assigned compliance trainings.

  • Complete the MSL onboarding (and certification) program.

  • Commits 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.

Required Education, Experience and Training

  • Medical, pharmacy or terminal level science degree.

  • Previous MSL experience is required.

  • An in-depth knowledge of the vaccines, infectious diseases, vaccine policy, and the relevant products in the vaccine portfolio and in the pipeline (highly preferred)

  • Strong communication and presentation skills to simplify complex topics, good negotiation and networking skills

  • Familiarity with omnichannel tools and being able to communicate via digital channels from remote (non-office based) environment.

  • A good understanding of (or prior experience in) clinical development and clinical research. The ability to critically evaluate clinical study protocols, reports and publications.

  • Good knowledge of pharmacovigilance and local regulatory process and its impact on the product portfolio.

  • Strong business acumen, understanding importance of and being able to build strategic plans and implement medical initiatives.

  • Role modeling, upholding integrity and ethics values and adhering to high standards.

  • Valid driver’s license with a clean driving record and ability to pass a complete background check.

  • Driving a company car in a safe manner to daily meetings and appointments is required.

  • Responsible for operating the motor vehicle using safe driving practices, knowledge of and compliance with all company policies, and obeying all traffic laws.

  • An effective Senior MSL will be able to encompass the MSL role successfully and also be able to contribute to the team in other elevated ways.

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.

Candidates must complete all fleet safety training and must maintain an acceptable driving record regarding accidents and incidents.



At Sanofi diversity and inclusion is foundational to how we operate and embedded in our Core Values. We recognize to truly tap into the richness diversity brings we must lead with inclusion and have a workplace where those differences can thrive and be leveraged to empower the lives of our colleagues, patients and customers. We respect and celebrate the diversity of our people, their backgrounds and experiences and provide equal opportunity for all.


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