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.

T his job offer is accessible to all, regardless of gender .

Job title:

• Location: Vitry-sur-Seine

Immunology , you will lead cutting-edge research activities and drive project progression through advanced in vitro approaches. You’ll contribute to innovative preclinical programs by designing and executing experiments using state-of-the-art techniques. Ready to get started?

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 Discovery and Partnerships cluster within the Immunology and Inflammation Research Therapeutic Area bridges internal and external innovation, supporting target validation and preclinical development of therapeutic molecules.

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

Lead from the lab :

• Independently formulate research hypotheses and apply scientific expertise to conceptualize, design, and execute experiments in this full-time lab-based role
• Work collaboratively with multifunctional teams across Sanofi to leverage tools and expertise to advance core research objectives
• Stay at the forefront of scientific innovation and apply insights to ongoing research efforts and to guide experimental priorities with an strategic mindset
• Ensure compliance with corporate standards for laboratory conduct, safety, and material handling
• Take responsibility for laboratory organizational activities
• Support the personal and technical development of junior staff members
• Play a key role in cross-functional project leadership and external collaborations

About you

Education:

• Ph.D in immunology or a related field, with 3+ years of postdoctoral and/or industry research experience

Experience:

• Experience in investigating inflammatory disease pathway biology in both humans and murine models with proven publication track record in top-tier scientific journals
• Proficiency with single-cell technologies (e.g., advanced flow cytometry, single cell sequencing), genomic editing and molecular biology techniques
• Working knowledge of multiparametric data analysis, including integration and interpretation of high-dimensional datasets from flow cytometry and omics methodologies using statistical and computational tools
• Hands-on laboratory experience in cell biology, molecular biology, immunology and mammalian cell culture

Soft skills:

• Strong team player with excellent oral and written communication skills
• Ability to work independently or with minimal supervision and effectively within timelines
• Collaborate in a highly matrixed global environment
• Proactive, creative, and science-driven mindset with a focus on impact
• Strong analytical and problem-solving skills with the ability to multi-task

Languages:

• English (writing and speaking) required. Basic French speaking skills welcome but not mandatory

Why choose us?

• Be part of a pioneering biopharma company that engages patients early in drug discovery 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
• Enjoy opportunities to 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

Pursue 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.