Job title: Purification Process Engineer - GMP Manufacturing

• Location: Vitry-sur-Seine, France
• Type de contrat : CDI, temps plein, journée, 100% sur site

About the job

As Purification Process Engineer within our CMC biologics development team, you'll lead critical process transfers and manufacturing operations that bring innovative treatments from lab to patients. Ready to get started?

Join a global network that powers how Sanofi delivers — seamlessly, purposefully, and at scale. In Manufacturing & Supply, you'll help reimagine how life-changing treatments reach people everywhere, faster. Our CMC biologics teams at Vitry-sur-Seine play an essential role in Sanofi's R&D pipeline, taking molecules from selection through to market. You'll be part of the E. Roux GMP pilot facility, working with ~40 dedicated professionals who manufacture clinical batches of therapeutic proteins for studies worldwide.

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 process transfers between PPD Framingham and PPD Vitry, ensuring seamless technology handovers and successful implementation
• Coordinate manufacturing of technical and GMP batches, working closely with quality, process development, and supply chain teams
• Support daily downstream processing operations and step in as team lead when needed
• Drive process improvements to boost productivity and throughput in chromatography, filtration, and viral clearance operations
• Manage cross-functional project activities involving multiple departments to deliver on time and within specifications
• Train and mentor the downstream processing team on new technologies and best practices
• Represent downstream manufacturing in project reviews and act as technical lead for transferred projects

About you

• Experience: Background in pharmaceutical or biotechnology manufacturing with hands-on downstream processing knowledge
• Technical skills: Strong understanding of chromatography, diafiltration, viral filtration, and viral clearance operations; familiarity with process control systems (PCS/SCADA)
• Education: Degree in Pharmacy, Biotechnology, Engineering, or related field
• Regulatory knowledge: Solid grasp of cGMP requirements, process control, and biopharmaceutical manufacturing principles
• Project management: Proven ability to coordinate complex, multi-disciplinary projects and communicate effectively across teams
• Languages: Strong English communication skills for international collaboration
• Leadership: Experience in process transfer, scale-up, and team development

Why choose us?

• Shape the future of medicine delivery with cutting-edge technology, ensuring seamless launches and a resilient global supply
• Power industry-leading performance by leveraging digital, data, and AI-driven innovation – at speed and scale
• Transform lives worldwide by delivering life-changing treatments anywhere, anytime
• Work with AI, robotics, and next-gen automation to redefine global manufacturing and supply
• Join a ~10-person purification team within a collaborative 40-person pilot facility focused on breakthrough biologics
• Develop expertise in state-of-the-art GMP manufacturing while contributing to clinical programs that could change patients' lives
• Grow your career in process development, scale-up, and technology transfer with opportunities across Sanofi's global network

PursueProgress. DiscoverExtraordinary.

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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Toujours Progresser. Découvrir l’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.