
R&D
Where your curiosity drives the
miracles of
science
Clinical Lead, ECET
Vitry-sur-Seine, France
At a glance
Bring your curiosity to a team where deep immunoscience meets cutting-edge innovation. Across oncology, rare diseases, neurology, and vaccines, you’ll work at the intersection of lab science and AI-powered discovery — all while collaborating across boundaries to turn breakthrough ideas into real-world impact. Whether you want to deepen your scientific expertise or grow as a leader, you’ll find the opportunity here.
Le contenu du poste est libellé en anglais car il nécessite de nombreuses interactions avec nos filiales à l’international, l'anglais étant la langue de travail.
This job offer is accessible to all, regardless of gender.
Job title: Clinical Lead, ECET
- Location: Vitry OU Montpellier
About the job
As Clinical Lead within our Translational Medicine Unit (TMU)/Clinical and Patient Sciences (CPS)/Early Clinical and Experimental Therapeutics (ECET) team, you'll drive the translation between preclinical development through early clinical development and beyond, while enjoying opportunities to broaden your experience and hone your skills. Ready to shape the future of medicine?
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. The race is on to speed up drug discovery and development to find answers for patients and their families. Your skills will be critical in helping our teams accelerate progress.
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:
- Participate in designing early development plans and overall ECET strategies, integrating into the overall development strategy across therapeutic areas
- Collaborate effectively with cross-functional teams including research scientists, toxicologists, pharmacokineticists, and clinical operations
- Design safe, rapid and informative First-In-Human studies including First In Patients, natural history, experimental model validation, and streamlined Proof-of-Mechanism/Proof-of-Concept studies providing robust data for early Go/No Go decisions
- Supervise study execution with close medical monitoring and lead Dose Escalation Meetings and document decision-making for First-in-Human studies and timely follow-up
- Review, interpret results, and author clinical documentation including protocols, reports, and regulatory documents
About you
- Education:Advanced degree: M.D. or M.D./Ph.D. with at least 1-5 years of research experience. laboratory research in industry or academia is a plus
- Experience:Solid experience in designing and executing early development clinical trials (phase 1a/b and 2a) and exploratory studies in pharmaceutical industry and/or academic institution/hospital and/or clinical site/CRO. Experience in late phase clinical trials is a plus
- Soft and technical skills:
- Very good communication skills (verbal and written) for interactions across functional areas and with key regulatory agencies
- Open-minded to apply new digital and/or AI-driven solutions
- Demonstrated capability to challenge decisions with a risk-management approach
- Ability to work within a matrix organization
- International/intercultural working skills
- Languages:Fluent in English
Why choose us?
- 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
- Work at the forefront of drug discovery, harnessing cutting-edge AI, data, and digital platforms to push the boundaries of science
- Help improve the lives of millions of people globally by making drug development quicker and more effective
- Collaborate beyond your area of expertise, working with diverse teams across science, clinical, and digital fields to spark new ideas and drive breakthroughs
- Accelerate your professional development with structured career paths designed for both scientific and leadership advancement
- Join a workplace where diversity, equity, and inclusion are at the core, with Employee Resource Groups and leadership programs that celebrate every voice
PursueProgress. 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.
#Immunoscience
#Neuroscience
#early.development
#clinical.trials
#LI-FRA
#LI-Hybrid
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
Find out more about this location

Why work with us
- Expand your horizons. Grow through curiosity, with support to move, learn, and lead in a culture that champions mentorship, mobility, and bold development.
- Accelerate results with technology. Harness the power of AI and automation to push scientific boundaries and reimagine what's possible in drug discovery.
- Impact through inclusive innovation. Help deliver better science and fairer outcomes by driving inclusive research that reaches more people, in more meaningful ways.
- Turn patient needs into breakthrough science. Drive scientific breakthroughs that start with patient needs – and end in treatments that change lives.
Meet Nils Libert, Associate Scientist
Meet Nils Libert, an Associate Scientist in Belgium, where he plays a key role in advancing groundbreaking research. Learn how his work helps drive innovation, uncover new scientific possibilities, and contribute to life-changing treatments that impact patients around the world.

"At Sanofi, we are building an R&D engine powered by the best science, digital innovation, and a commitment to transforming the lives of patients around the world."

Houman Ashrafian
EVP & Head of R&D
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Our R&D focus areas
Discover how we're reshaping the future of medicine through immunoscience – unlocking bold, cross-disease breakthroughs that were unimaginable just a decade ago.

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