Manufacturing and Supply Where the miracles of science are made a reality for patients

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About the job

As Key Expert MSAT Upstream Processing (USP) within our MSAT Recombinant Drug Substance Microbial team, you'll develop, optimize, and transfer upstream bioprocesses for biotechnological manufacturing of peptides and proteins, specifically for our new insulin facility in Beijing. Ready to get started?

Sanofi has decided to invest into new large state-of-the art facilities for the full portfolio for insulin drug substances to ensure future oriented, sustainable, reliable and leading-edge long-term supply for world-wide diabetes patients. The new facilities will be designed as a fully automated, green, modern and state-of-the-art biologics facility considering specific process requirements of all insulins. The localization of those facilities will be in Frankfurt, Germany and Beijing, China.

You'll be part of a global MSAT Recombinant Drug Substance Microbial team spanning Germany and China, working on cutting-edge upstream bioprocessing for our transformative Beijing insulin facility project. 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, while driving innovation in biotechnological manufacturing across cultures and continents.

Main responsibilities:

● Implement and optimize upstream processes including fermentation, microbial cultivation, media preparation, and cell banking in laboratory settings for production facilities as part of interdisciplinary teams

● Optimization of separator technologies, centrifugation processes, and product recovery

● Drive scale-up activities, process characterization, troubleshooting, and manufacturing start-up operations

● Participate in technology transfer activities for upstream processes between different manufacturing sites and generate process transfer documentation

● Develop regulatory submission documents and support process validations across global facilities

● Establish and equip laboratory infrastructure and capabilities for upstream process development

● Provide technical input to regulatory dossiers and respond to authority questions regarding upstream processing

● Represent upstream processing activities in audits and inspections

● Act as the primary MSAT technical liaison, ensuring seamless sharing of expertise across the global teams.

About you

• Education/Experience : PhD or Master's degree in Biology, Biotechnology, Biochemistry, Bioprocess Engineering, Chemical Engineering, or related field; relevant hands-on laboratory experience in upstream processing including fermentation, microbial cultivation, bioreactor operation, media development, and process scale-up, knowledge in separator operation, enzyme kinetics and protein folding beneficial
• Soft and technical skills : Experience with cGMP environments, Design of Experiments (DoE), process modeling, PAT (Process Analytical Technology), and advanced process control systems; Analytics expertise: HPLC, enzyme assays, gel electrophoresis, and microbiological analytical methods; Strong scientific skills with ability to work across cultures and bridge technical, manufacturing, engineering, quality, and regulatory requirements
• Languages/additional : Fluency in English and German (verbal and written); Chinese language skills advantageous; Willingness to travel to China, to support cross-cultural collaboration and on-site implementation activities

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 demonstrated experience, skills, location, and other relevant factors. Employees may be eligible to participate in Company employee benefit programs.

Please note that for Tariff positions in Germany, compensation is based on the federal collective bargaining agreement of the chemical industry.