
Vaccines
Where
extraordinary minds
help protect half a billion people
Continuous Flow Process Engineer
At a glance
Our teams produce and deliver over 4 billion units of medicines and vaccines every year, ensuring every breakthrough gets to the people who need it most.
Our state-of-the-art facilities, AI-powered smart factories, and cutting-edge automation are redefining what’s possible: ensuring treatments reach patients faster, safer, and more sustainably than ever before. This is where your skills, ambition, and passion can shape the future of healthcare.
This job offer is accessible to all, regardless of gender.
Job title: Continuous Flow Process Engineer
Location: France, Aramon
Job type: Permanent, Full time
About the job
Sanofi’s Drug Substance MSAT (Manufacturing Science & Technology) team is building a Chemistry Excellence Center, driving innovation in API process design and green technologies. We are assembling an agile, world-class team focused on flow chemistry, lab automation, and process digitalization to enhance API manufacturing. This role will collaborate closely with synthetic process chemists to develop and industrialize next-generation manufacturing processes.
As a Continuous Flow Process Engineer, you will play a pivotal role in designing, optimizing, and implementing intensified, scalable, and sustainable chemical processes using flow chemistry, automation, and digital modeling tools. This role involves data-driven experimentation, advanced process modeling, and digital twin development to accelerate process innovation and industrialization.
Main responsibilities
Develop and optimize continuous flow processes, designing experimental rigs with automated data-logging and process control systems.
Assess mass and heat transfer limitations in reactive and separative processes, executing experimental designs to enhance efficiency.
Utilize process modeling tools (e.g., Dynochem, MATLAB, gProms, ASPEN, Prosim) to build predictive models and real-time control loops.
Conduct experiments leveraging pre-characterized equipment to generate kinetic, thermodynamic, and transport data for model validation.
Implement sensor-based monitoring systems (optical and electronic), integrating data acquisition with process control algorithms for automation.
Analyze experimental and production data, proposing innovative solutions for enhanced efficiency and sustainability.
Collaborate with synthetic process chemists, data scientists, and engineering teams to drive process innovation and technology transfer.
Publish findings in patents, papers, and internal reports, while training and mentoring colleagues on advanced process technologies.
About you
Education:
BSc in Chemistry, Chemical Engineering, or a related field with relevant experience.
BSc, MSc with 5+ years or PhD with 3+ years in flow chemistry, process intensification, or chemical process engineering.
Technical Skills:
Strong expertise in flow chemistry and process engineering.
Hands-on experience with lab-scale pumps, flow reactors, and automated lab management systems.
Proficiency in process modeling and control using tools such as Dynochem, MATLAB, gProms, ASPEN, or Prosim.
Understanding of sensor integration, including optical and electronic monitoring systems.
Experience in designing and implementing process control loops; programming automation algorithms is a plus.
Familiarity with lab automation, high-throughput experimentation, and data-driven process development.
Soft Skills:
Strong project management skills, with experience in collaborative projects.
Excellent problem-solving, communication, and technical writing skills.
Passion for innovation, technology transfer, and scientific publishing.
Why choose us?
Be part of a global organization leading the future of pharmaceutical manufacturing.
Work on groundbreaking projects integrating digital, automation, and process intensification technologies.
Collaborate with world-class experts in flow chemistry, process modeling, and data science.
Competitive salary, benefits, and opportunities for professional growth and leadership.
Access to cutting-edge research facilities and advanced analytical tools.
Commitment to sustainability and green chemistry principles in API manufacturing.
"This is an exciting opportunity to work at the intersection of chemistry, automation, and digitalization, revolutionizing API manufacturing with innovative continuous flow processes."
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Why work with us
- We’re problem-solvers and pioneers - united by the belief that everyone deserves a healthier future. We create best-in-class vaccines that prevent disease and protect lives.
- Innovation drives us. From AI and mRNA to next-gen science, we push the boundaries to deliver first- and best-in-class vaccines for infectious diseases worldwide.
- Growth happens here. With bold investments in R&D and world-class facilities, Sanofians across the entire vaccine lifecycle are shaping the future of global health.
- We do what’s right. Sustainability and DE&I drive our positive global impact—because the diverse communities Sanofians represent are the patients we serve.
What does it take to protect the world from disease?
For over a century, we’ve been pioneering breakthroughs that help protect millions from diseases like polio, influenza, RSV, and more. And we’re not stopping there.
Powered by groundbreaking technologies - mRNA platforms, recombinant proteins, and AI-driven insights - we’re pushing the boundaries of science.

"I’m immensely proud of the pace of our innovation – the urgency by which our teams are working to transform the practice of medicine."

Thomas Triomphe
Executive Vice President, Vaccines
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Sanofi’s mRNA Center of Excellence
Step into the future of healthcare with Sanofi’s mRNA Center of Excellence. Discover how a global team is transforming medicine with cutting-edge mRNA technology – and explore the skills, inspirations, and breakthroughs driving this revolution. Ready to shape the future?

About Sanofi Vaccines
Explore our commitment to protecting global health through the power of vaccines. We’re building healthier communities with innovative solutions that save millions of lives each year. Dive into the future of vaccines, discover the diseases we’re tackling, and learn why vaccination is critical at every stage of life.

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