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Early Careers

Early Careers
Shape the future with us. This is how we Sanofi.

Alternance 24 mois – Chimie organique et procédés

Montpellier, France
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At a glance

Early Careers at Sanofi aren’t just about landing a role – they’re about starting a journey that stretches you from day one. You’ll dive into projects that matter, surrounded by people who challenge, mentor, and inspire you to explore more every step of the way.

Here, you can navigate paths across science, digital, manufacturing, and business – following your curiosity, growing your expertise, and building skills for tomorrow. With AI-powered tools, world-class learning, and a culture rooted in collaboration, we give you the opportunity to develop your expertise and transform our future.

Intitulé du poste : Alternance 24 mois – Chimie organique et procédés

  • Lieu : Montpellier
  • A partir de : septembre 2026


À propos du poste

En tant qu’alternant chimique organique et procédés au sein de notre équipe vous interviendrez sur les activités de synthèses chimiques. Prêt à commencer ?

Prêt(e) à développer tes compétences tout en participant à l’avenir de la santé ? Chez Sanofi, tu auras la liberté d’apprendre, de poser des questions et de donner vie à tes idées, le tout soutenu par des mentors inspirants et des équipes collaboratives.

À propos de Sanofi :

Sanofi est une entreprise biopharmaceutique qui innove en R&D et exploite l'IA à grande échelle pour améliorer la vie des gens et créer de la croissance à long terme. Notre compréhension approfondie du système immunitaire – et notre pipeline innovant – nous permet d’inventer des médicaments et des vaccins qui traitent et protègent des millions de personnes dans le monde entier. Ensemble, nous poursuivons les miracles de la science pour améliorer la vie des gens.

Principales responsabilités :

  • Participer au développement et à l’optimisation des méthodologies de synthèses chimiques
  • Contribuer à l’évaluation et l’intégration des nouvelles technologiques d’analyses (automatisation, flux chimiques)
  • Apporter votre support concernant les réglages liés aux technologies de synthèses
  • Prendre part à la conduite d’expériences en laboratoire et à l’analyse des résultats obtenus
  • Participer à l’élaboration de rapports techniques et les présenter aux équipes internes
  • Prendre part à l’analyse des données expérimentales et à leur valorisation

À propos de vous

  • Compétences techniques et relationnelles : Rigueur, esprit d’équipe et de synthèse. Connaissances en synthèse organique et en technique d’analyses chimiques (chromatographie, spectroscopie).
  • Éducation : Bac +5 en chimie ou école d’ingénieur
  • Langues : anglais courant 

Pourquoi nous choisir ?

  • Lance ta carrière dans une entreprise qui investit en toi, et te donne les moyens de réinventer ce qui est possible.
  • Construis ton avenir avec les outils les plus récents, l’innovation digitale et un apprentissage continu pour toujours garder une longueur d’avance.
  • Évolue dans une entreprise engagée où ta voix compte et où ton travail améliore la vie de millions de personnes.
  • Épanouis-toi dans des environnements inclusifs et flexibles qui soutiennent ton bien-être personnel et professionnel.
  • Profitez d’une rémunération attractive et l’accès à un grand nombre d’avantages (Intéressement et participation, Plan Actionnariat Salarié, Activités sociales CSE)
  • Bénéficiez de 31 jours de congés par an et jusqu’à 5 jours d'absence "préparation examen" rémunérés, en fonction de votre contrat d’alternance (apprentissage, professionnalisation). 
  • Notre processus de recrutement a été pensé pour être rapide et efficace. Si votre candidature est retenue, vous recevrez un appel de notre recruteur.se pour un premier échange téléphonique puis pour rencontrer rapidement le ou la manager.

ToujoursProgresser. Découvrirl’Extraordinaire.

Rejoignez Sanofi et entrez dans une nouvelle ère de la science – où votre parcours peut être aussi transformateur que le travail que nous accomplissons. Nous investissons en vous pour que vous alliez plus loin, accélériez votre réflexion et accomplissiez ce qui n’a jamais été fait auparavant. Vous contribuerez à repousser les limites, à bousculer les conventions et à concevoir des solutions plus intelligentes pour les communautés que nous servons. Prêt·e à poursuivre les miracles de la science et à améliorer la vie des gens ? Poursuivons le progrès et découvrons l’extraordinaire – ensemble.

Chez Sanofi, nous croyons dans l’égalité des chances, sans distinction de race, de couleur, d’ascendance, de religion, de sexe, d’origine, d’orientation sexuelle, d’âge, de citoyenneté, d’état civil, de handicap, d’identité de genre ou de tout autre critère protégé par la loi.

Job title: Apprenticeship 24 months – Organic and process chemistry

  • Location: Montpellier
  • Starting Date: September 2026


About the job

As an apprenticeship in organic and process chemistry within our team, you’ll actively contribute to the activities of the Synthetic Enabling Technologies team. Ready to get started?

Ready to grow your skills while helping shape the future of healthcare? At Sanofi, you’ll be empowered to learn, ask questions, and bring your ideas to life – all while supported by inspiring mentors and collaborative teams.

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 to develop and optimize chemical synthesis methodologies
  • Contribute to the evaluation and integration of new analytical technologies (automation, chemical flow systems)
  • Provide support with adjustments to synthesis technologies 
  • Take part in conducting laboratory experiments and analyzing the results obtained
  • Help draft technical reports and present them to internal teams
  • Take part in analyzing experimental data and use the findings

About you

  • Soft and technical skills: Team spirit, Rigour and synthesis spirit
  • Education: Bac+5 in chemistry or engineering school
  • Languages: English fluent

Why choose us?


  • Launch your career with a company that invests in you — and empowers you to reimagine what’s possible.
  • Build your future with access to the latest tools, digital innovation, and continuous learning that keep you ahead of the curve.
  • Grow in a purpose-driven company where your voice matters and your work helps improve millions of lives.
  • Thrive in inclusive, flexible workplaces that support your personal and professional well-being.
  • Enjoy attractive remuneration and access to a wide range of benefits (profit-sharing, Employee Share Ownership Plan, CSE social activities). 
  • Benefit from 31 days of vacation per year and 5 paid "exam preparation" days, depending on your apprenticeship contract.  
  • Our recruitment process is designed to be fast and efficient. If your application is accepted, you will receive a call from our recruiter for an initial telephone interview, followed by a quick meeting with the manager.  

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. 

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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

Final compensation will be determined based on factors such as experience, skills, expertise, location, and others. Employees may be eligible to participate in company employee benefit programs.

Apply now
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Why work with us

  • Shape your own journey. At Sanofi, diverse perspectives fuel bold thinking – and your path is yours to define. Whether through internships or graduate programs, you’ll explore more and build the future-ready skills that take your potential to the next level.

  • Grow with the best. You’ll learn from experts across science, tech, manufacturing, and business – collaborating as one team on challenging projects that stretch you.

  • Be empowered by innovation. With AI-powered tools, fresh ideas, and the freedom to be curious, you’ll partner with colleagues who turn challenges into breakthroughs – and help reimagine what’s possible.

  • Make an impact from day one. Your work matters. You’ll shape solutions, contribute to an inclusive, sustainable future, and experience what it means to say: This is how we Sanofi.

This is how we Sanofi

Building international networks, empowering career growth, and innovating through smart risks. This is how we innovate. This is how we transform healthcare. This is how we Sanofi.

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"We’re transforming Early Careers at Sanofi — with a clear mission to empower the next generation of healthcare leaders with the skills of tomorrow. Here, you’ll find bold and meaningful experiences that fuel your growth, ignite your potential, and enable you to make an impact from day one."

Andrew Sharp

Global Head of Early Careers

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