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Principal Scientist In vivo Immunology

Vitry-sur-Seine, France
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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.

Job title: Principal Scientist In vivo Immunology

  • Location: Vitry-sur-Seine (France)

About the job

The Immunology and Inflammation Research Therapeutic Area in Sanofi is building a center of excellence on Immune Regulation and Autoimmune Diseases (AID) at the Vitry site and is seeking a Principal Scientist with expertise in Immunology and in vivo pharmacology to lead the in vivo pharmacology research activities within Immune tolerance and Autoimmunity cluster.

His/her activities will concentrate on supporting and validating novel therapeutic concepts in immune regulation and tolerance with the potential to lead to transformative treatments of autoimmune diseases and contribute to multiple preclinical innovative projects. The team will also be responsible for the development of animal models to assess innovative therapeutic modalities supporting transformative therapeutic development.

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:

  • Manage the in vivo pharmacology activities of multiple projects within discovery and development
  • Provide in vivo physiology and pharmacology expertise and serve as in vivo pharmacology lead for research programs within the cluster
  • Develop and implement new animal models of autoimmune and inflammatory diseases to evaluate the pharmacodynamic effect and efficacy of innovative therapeutic agents to support portfolio progression
  • Identify and develop clinically relevant mouse models of target inflammation/autoimmune indications
  • Use detailed knowledge of state-of-the-art tools and approaches to enhance in vivo evaluation of novel therapeutics mechanism of action and/or identify new targets
  • Identify and develop ex vivo analytical tools that can be used to maximize the read-outs from in vivo studies
  • Present research findings and data to project teams
  • Lead external collaborations and outsourced studies
  • Maintain records (including study protocols, procedures, data reports, and related documentation)
  • Ensure compliance with company established practices and maintain the highest standards of animal welfare and ethical compliance and data integrity
  • Enable productivity, execution with a sense of urgency, teamwork, accountability, scientific rigor, and excellence
  • Supervise in vivo scientists and technicians

About you

Education:

  • Ph.D. in Immunology, Pharmacology, or related discipline with strong expertise in in vivo pharmacology applied to immunology in academic facility or biotech or pharmaceutical industry
  • License holder of an Animal Experimentation Designer Level valid in France (mandatory)

Experience:

  • Deep knowledge of immunology, mechanistic understanding of autoimmune or inflammatory pathologies
  • Proficiency in establishing in vivo PK/PD and efficacy models of immunology/autoimmune diseases
  • Extensive in vivo pharmacology expertise in working with rodent inflammatory models and in molecular, cellular biology and immunological assays (e.g., Flow cytometry, cytokine measurement) required
  • Well-established hand-on experience with in vivo dosing, bleeding, and handling techniques and proficiency on basic surgical techniques

Soft skills:

  • Excellent interpersonal and communication skills: impactful oral and written communication
  • Demonstrate a high level of autonomy and initiative to troubleshoot and accurately perform data analysis on in vivo studies
  • Self-motivated team player and fast learner with the ability to adapt in a fast-paced, dynamic and multi-disciplinary environment

Technical skills:

  • Proficiency and hands-on experience in technical skills to conduct efficacy, pharmacodynamic, pharmacokinetic and biodistribution studies in rodent models of autoimmunity and inflammation
  • Experience working with cross-functional teams
  • History of moving product candidates through preclinical studies to IND is desirable

Languages:

  • English (French desirable)

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. 

#LI-FRA

#LI-Hybrid

#Immunology #In-vivo Pharmacology

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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

Apply now
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