
Vaccines
Where
extraordinary minds
help protect half a billion people
GCI Ligand Binding Assays Team Lead- Vaccines
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: GCI Ligand Binding Assays Team Lead- Vaccines
Location: Swiftwater, PA
About the Job
The Head of the Ligand Binding Assay (LBA) platform directs multiple laboratories in developing, qualifying, validating, and executing LBAs to support vaccine clinical endpoints from Phase I to Phase IV. Responsibilities include strategizing new immunological ligand binding methodologies, optimizing existing assays, and delivering high quality results in a GCLP regulated environment. Expertise in ELISA, Radio-Immuno Assay (RIA), Luminex, MSD, and Ortho VITROS platforms, is essential. This position reports to the Head of Global Clinical Immunology and is based in Swiftwater, PA.
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 a large team of Bachelors, Masters, and Ph.D. scientists to develop, validate, and execute novel ligand binding bioanalytical methodologies for vaccine clinical endpoints.
Optimize existing methodologies relevant to ELISA, Radio-Immuno Assay (RIA), Luminex, MSD, and Ortho VITROS related platforms delivering high-quality results in a GCLP-regulated environment.
Collaborate closely with global project teams and immunology team leads.
Drive continuous improvement and advancement of techniques and technologies for novel vaccine candidates at Sanofi Vaccines R&D.
Represent the team on project, process, and investigation teams, ensuring appropriate planning, organization, and resource allocation.
Management of Key Interfaces:
Interact and liaise within the other platform leads and GI department heads and scientists to ensure end-to-end GI communication is maintained.
Serve as function representative and SME at key strategic internal/external meetings, conferences/congresses, and key meetings with CROs and with regulatory authorities.
Act transversally (including with global transversal operations, clinical development, global regulatory affairs) to build and optimize novel bioanalytical methods for fast-moving projects to maximize scientific quality and timeliness whilst operating within budget targets.
Act as a contributing author to high-quality publications describing assay development and/or the immunogenicity and efficacy of candidate and approved drugs in technical, medical, or scientific journals.
Essential Attributes
Expertise in ELISA, Radio-Immuno Assay (RIA), Luminex, MSD, and Ortho VITROS platforms in a regulated environment.
Experience managing teams of 10+ individuals.
Experience with quality systems and processes in a regulated environment
Expertise with LIMS systems, reagent characterization and qualification, laboratory equipment and supplies.
Ability to interact effectively with people from diverse cultural backgrounds and skill sets to achieve scientific and operational excellence.
Strong commitment to scientific excellence and innovation.
Excellent interpersonal skills to ensure target completion and foster workplace respect.
Leadership that promotes cross-group collaboration to achieve Sanofi R&D goals, and developing leadership skills in direct reports.
Record of innovation as evidenced by a strong publication record, inventorship on patents/filings and presentations at major conferences.
Proven experience in management of personnel, budget, and projects.
About You
Education and Background
BS degree in life sciences with 15+ years of relevant experience, MS or Ph.D. in immunology, microbiology, virology, biochemistry or related life sciences degree (MS requires 12 + years, Ph.D. 8+ years of relevant experience).
5+ years experience working in a regulated laboratory as a research scientist or laboratory manager preferably in pharma R&D.
Experience in the development of new bioanalytical characterization methods for vaccines.
Familiar with a broad range of functional bioanalytical and LBA instrumentation and techniques.
Strong familiarity with immunogenicity assays.
Understanding of GXP practices and procedures required.
Work experience both in early phase product development and clinical stage.
Laboratory management and/or operations experience preferred.
Familiarity with clinical or sample databases and inventory management required.
Proven leadership and managerial experience in multi-functional and matrixed teams.
Familiarity with laboratory testing regulations.
Proven leadership, verbal and written communication, organizational and team management skills.
Proven ability to develop and implement new procedures/processes.
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.
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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.
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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