Sanofi Hiring Co-op Cell Culture Development

About the Job

Looking to launch your career at the cutting edge of healthcare? Sanofi offers mentoring and guidance from inspirational leaders while you help make an impact on the lives of people worldwide. This is a Spring Co-op role on the Cell Culture Process Development team.

The Commercial Cell Culture Development team at Sanofi is looking for a motivated Co-op student to support upstream bioprocess development. The role offers hands-on experience optimizing mammalian cell culture processes for biopharmaceutical manufacturing, directly supporting Sanofi's goal of delivering life-changing medicines to patients.

You will grow your skills while helping shape the future of healthcare, with support from mentors and collaborative teams.

About Sanofi

Sanofi is an R&D-driven, AI-powered biopharma company focused on improving people's lives. Our deep understanding of the immune system and our innovative pipeline let us develop medicines and vaccines that treat and protect millions of people around the world.

Main Responsibilities

• Design, run, and analyze cell culture experiments to optimize upstream bioprocess parameters, including media, feeds, and process conditions.
• Support development and optimization of perfusion-based cell culture processes, including evaluation of cell retention devices and process control strategies.
• Contribute to the development and qualification of scale-down models that represent manufacturing-scale bioreactors.
• Evaluate and characterize sparger designs and their effect on cell culture performance, including gas transfer, shear stress, and foam formation.
• Collect, analyze, and interpret experimental data, and prepare clear technical summaries and presentations for team review.
• Maintain accurate laboratory notebooks and documentation in line with department policies.
• Work cross-functionally with process engineering, analytical development, and manufacturing teams.
• Take part in team meetings and contribute to scientific discussions.

Technical and Lab Skills

• Foundational knowledge of cell culture techniques, bioreactor operation, and bioprocess principles.
• Experience with aseptic technique, cell viability assays, and basic analytical methods (e.g., glucose/lactate measurement, cell counting).
• Proficiency in data analysis tools such as Excel, JMP, or equivalent.
• Strong written and verbal communication skills, with the ability to present data clearly.

Why Choose Us

• Bring the miracles of science to life alongside a supportive, future-focused team.
• Build your skills through apprenticeships, internships, graduate programs, and international experiences.
• Learn from inspiring mentors while contributing to real projects that shape the future of healthcare.
• Access the latest tools, digital innovation, and continuous learning opportunities.