US Medical Director, Mainline - Vaccines
Morristown, New Jersey Permanent Posted on Jan. 05, 2026Job Title: US Medical Director, Mainline - Vaccines
Location: Morristown, NJ
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.
The North American Medical Team at Sanofi is a high-performing team of Medical leaders who are a trusted source of scientific and medical information and shared insights; effective and innovative strategic partners to our internal and external stakeholders; and dedicated to public health and empowering lives through immunization. We represent diverse experiences and backgrounds which strengthens our team and mirrors the healthcare communities we engage.
The US Medical Director, Mainline - Vaccines, will contribute to development and execution of the medical and scientific (non-promotional) strategy for the franchise portfolio in the US. This individual will be accountable for the medical plan within their defined franchise and scope including the medical plan, data generation, scientific exchange, and stakeholder engagement.
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:
Strategy (25%)
Act as a cross-functional partner to provide support within the US Medical team and work in close partnership with other departments including brand teams and Public Affairs
Play a leadership role in developing, executing, and contributing to the Country Medical Roadmap (CMR) through close collaboration with the Franchise Medical Head as well as demonstrating active involvement in the annual cross-functional brand planning process
Ensure alignment of the US medical strategy with the Global medical strategy through co-creation within the global medical team
Play a leadership role in shaping medical strategy at global, regional, and local levels, ensuring alignment with US Medical strategic objectives, while monitoring publications outlined in the CMP and determining appropriate dissemination to targeted external stakeholders through collaboration with the Franchise Advisor, External Scientific Exchange, and other key personnel, as well as contributing to congresses, publications, and NITAG engagements.
Act as the country Medical expert for the Integrated Evidence Generation Plan (iEGP), providing strategic guidance and serving as the key liaison between global Medical, the Principal Investigator (PI), and the US Medical Team on Sanofi-sponsored studies, as delegated by the Franchise Medical Head
External Stakeholder Engagement (25%)
Identify, establish, build, grow, and maintain strategic relationships with senior experts, key opinion leaders (KOLs), professional societies, immunization advisory bodies, patient advocacy groups, decision makers and other external stakeholders, acting as SME and fostering scientific engagement to strengthen their understanding of our products and to collaborate on high-priority global studies and scientific initiatives
Provide external scientific education on disease states, epidemiology, and clinical trials of [franchise] product(s), support company positions, and provide guidance on company products and related medical issues
Evaluate Medical educational grant requests stringently in accordance with internal operating procedures and aligned to Country Medical Plan (CMP)
Lead external advisory boards organized to support the medical strategic objectives and/or medical plan
Internal Collaboration/Communication (20%)
Provide significant scientific expertise within and outside the Mainline team
Work with cross-functional internal stakeholders, in particular field medical, to development strategic imperatives and downstream strategies and tactics to support our goals
Provide training to field-based medical team on all current and new publications and related assets in collaboration with NA Training Lead
Provide medical guidance to internal Sanofi customers, including contribution of medical information and clinical trial data for pharmacovigilance (PV) and regulatory reports to the US FDA and other health authorities
Collaborate with marketing teams to link sound evidence to brand strategy
Represent as country medical expert in all product label updates and product Company Core Datasheet (CCDS) updates
Data Generation (15%)
Work with R&D and Clinical Development teams to provide medical input to the design and support the execution of company-sponsored clinical trials (i.e., Ph 4 post-marketing and observational studies) for new products that may join franchise portfolio in accordance with integrated evidence generation plans (iEGP)
Partner with R&D and Clinical Development teams to write, review, edit, and approve key regulatory documents
Engage Key External Leaders (KOLs) to apply for support for ISSs that are aligned with Life Cycle Management and Global Brand Team (GBT) strategies
Liaise with Medical Study Leader to oversee investigator-initiated study (IIS) process from end to end including: reviewing ISS and ESC applications, liaising with the investigators of study applications, presenting studies to the GMT and SRC, following study progress to completion including eventual publication
Medical Operations (10%)
Participate as subject matter expert on multi-disciplinary Review Committee (RC) meetings for medical review and approval of all materials and messaging intended for external use
Contribute to the development and management of specifically owned franchise budget line items by tracking expenditures and executing plans in a cost-effective manner in collaboration with the Franchise Medical Strategy Planner
Scientific Content (5%)
Monitor publications outlined in CMP and determine the appropriate assets to be created aligned with the CMP and targeted external stakeholders in collaboration with Medical Advisor
About You
Basic Qualifications:
Advanced degree (PhD, PharmD, DO, MD) in scientific or healthcare-related field (vaccinology, immunology, microbiology, infectious disease, or related field)
5+ years in Medical Affairs within the pharmaceutical, biotechnology, or related industry
Relevant clinical experience or track record of peer reviewed publications in the US
Ability to travel up to 20% of the time
Knowledge of US health care system, communicable disease control, public health, and immunization practices
Preferred Qualifications:
Prior experience in an external stakeholder facing role (i.e., governmental collaboration)
Recognized by other vaccine experts as being expert in vaccinology or a related discipline
Infectious diseases and/or vaccine experience either from academia/research and/or preferably from the pharma industry with relevant customer knowledge
Competencies that the successful candidate should possess:
Developed business acumen to support compelling and effective Medical strategies that serves to benefit patients, HCPs, and other key external stakeholders
Ability to understand and effectively communicate vaccine clinical studies, both interventional and observational
Knowledge of vaccine study design and interpretation (interventional and observational)
Infectious diseases and/or vaccine experience either from academia/research and/or preferably from the pharma industry with relevant customer knowledge
Ability to successfully manage multiple projects simultaneously; plan, prioritize and implement actions using a self-dependent and structured working style
Excellent interpersonal, communication, influencing and networking skills with an ability to work as part of a cross-functional and multicultural team
Effectively engage with key external stakeholders and build long-term partnerships with medical authorities, hospitals, physicians/specialists, opinion leaders and pharmacists
Ability to analyze information and emerging trends, including social, policy and access-related information, and incorporate them into the medical plans
Develop scientific communication and education initiatives using scientific/medical expertise, customer insights and understanding of launch strategy; train and educate internal and external stakeholders
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.
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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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.
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