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Early-Stage Immunology Subject Matter Expert - Vaccines - Molecular Immunology
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: Early-Stage Immunology Subject Matter Expert - Vaccines - Molecular Immunology
Location: Waltham, MA
About the Job
The Early-Stage Immunology Subject Matter Expert reports directly to the Head of Early-Stage Immunology Laboratory (ESI), Global Immunology (GI), Sanofi Vaccines R&D. This role provides strategic and operational leadership for ESI technology portfolio, designed to evaluate the potential of novel and early-stage vaccine candidates.
As a technology expert, the ESI Subject Matter Expert is accountable for a segment of the technology portfolio across Marcy L’Etoile (France), Waltham and Orlando (US), and manages related transversal early-stage interfaces.
ESI technology portfolio is segmented as follows:
Molecular Immunology: Assay development, cytokines, biomarkers, single cells, transcriptomic, Next Generation Sequencing, data management associated with biological assays
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.
Main Responsibilities
Lead and develop ESI technology portfolio
Manage the existing set of experimental assays and define the assay development roadmap and the innovation strategy for a segment of the technology portfolio, in accordance with ESI and GI strategies
Seek the latest cutting-edge technologies to integrate into their work, remaining closely connected to the global external R&D ecosystem
Lead a transversal community of laboratory resources in developing new methodologies, assays and tools according to the roadmap
Coordinate the deployment of new assays to prevent duplication, leveraging their comprehensive view of all sites
Identify industrialization priorities to scale selected assays and coordinate on digitalization efforts in collaboration with the Automation SME
Ensure efficient reporting of activities to the Head of ESI Laboratory, maintaining consistent communication and adapting priorities as needed
Support and ensure consistent practices across immunology projects
Act as an enabler, providing support for problem-solving in immunology projects
Standardize methodologies, assays and tools across sites, maintaining compliance with Standard Operating Procedures, quality and HSES standards
Foster continuous improvement, regularly refining processes and approaches to enhance efficiency and achieve operational excellence
Oversee the quality control of raw data generated by laboratory teams and propose robust analysis frameworks
Support the interpretation of results with the Team Members, integrating feedback from the Immunology Leads
Escalate issues to the Head of ESI Laboratory and the Global Head of ESI as needed
Contribute to the development of ESI laboratory teams
Conduct comprehensive technical skills assessment for the laboratory teams in close collaboration with ESI Laboratory Directors
Actively participate in the deployment of training plans to ensure continuous competency enhancement
Is consulted as needed to validate the allocation of appropriate resources to support projects, leveraging their knowledge of laboratory teams strengths and development needs
Act as a catalyst in promoting ESI technology expertise
Contribute to ESI internal and external visibility strategies through publishing and active participation in R&D Week, Town Halls and international conferences
Identify and promote key topics related to technology to be communicated to GI and Vaccines R&D, ensuring that the latest advancements and insights are effectively shared
Major challenges
The ESI Subject Matter Expert leads a segment of the technology portfolio with an entrepreneurial mindset, constantly integrating innovation into their work. This role is pivotal in building a culture that promotes Sanofi R&D vision through a positive work environment focused on execution, efficiency, delivery, innovation, and scientific rigor.
The ESI Subject Matter Expert excels in networking, sharing best practices within the Technology communities and across GI and Vaccines R&D.
Through great scientific communication and leadership, the ESI Subject Matter Expert actively promotes ESI technology expertise.
About You
If you are passionate about cutting-edge innovation and committed to expanding technology knowledge and upskilling your teams, we strongly encourage you to apply!
EducationPhD/MSc in Immunology, Microbiology or related Life Sciences with proven experience as a technology expert
Experience5 to 10 years of laboratory experience in Immunology, Microbiology or related Life Sciences with recognized expertise in a specific technology area (ABV Analytical, ABB Analytical, Cellular Immunology, Molecular Immunology)
Technical SkillsState-of-the-art techniques in Immunology (depending on the position and portfolio segment, specific skills can be required)
Soft SkillsLeadership, technology innovation, problem-solving, customer focus, stretch, teaching and mentoring skills, transversal collaboration, scientific communication
LanguagesEnglish, knowledge of French will be reviewed favorably
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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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
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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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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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