Summer 2026 Intern - mRNA Data and Computational Science - Vaccines

Sanofi • Waltham, MA

1d • Onsite

About The Position

Join the team protecting half a billion lives every year with next-gen science, mRNA innovation, and AI-driven breakthroughs. In Vaccines, you’ll help advance prevention on a global scale - and shape the future of immunization. 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: The Co-op position is based in the Data and Computational Science (DCS) department within the Sanofi mRNA Center of Excellence (mRNA CoE), supporting activities in the CMC data science group. This position will focus on developing machine learning (ML) models for different units, such as In Vitro Transcription (IVT) in drug substance process development. The candidate will have opportunities to learn about mRNA technology and unit operations, and to demonstrate the benefits of ML modeling in a non-GMP lab environment. The successful candidate will work with their supervisor to develop ML models for different unit operations. Activities include investigating how process parameters influence product quality attributes and uncertainty quantification, designing model-based DoE for model structure selection, and parameter optimization.

Requirements

• Currently enrolled and pursuing a bachelor's degree, master's degree, or PhD in Biology, Chemical or Biochemical Engineering, Computer Science, or a related field at an accredited college or university with the expectation that you will complete your current degree by the Spring of 2028
• Must be able to relocate to the office location and work 40hrs/week, Monday-Friday, for the full duration of the co-op/internship
• Must be authorized to work in the US for the duration of the co-op

Nice To Haves

• Basic understanding of mRNA technology.
• Experience in ML, first principle, and hybrid dynamic modeling.
• Familiarity with mathematical software and packages (Python-sklearn, Julia, MATLAB, PYOMO, gPROMS).

Responsibilities

• developing machine learning (ML) models for different units
• investigating how process parameters influence product quality attributes and uncertainty quantification
• designing model-based DoE for model structure selection
• parameter optimization

Benefits

• Bring the miracles of science to life alongside a supportive, future-focused team.
• Discover endless opportunities to grow your talent and drive your career, whether it’s through a promotion or lateral move, at home or internationally.
• Enjoy a thoughtful, well-crafted rewards package that recognizes your contribution and amplifies your impact.
• Take good care of yourself and your family, with a wide range of health and wellbeing benefits including high-quality healthcare, prevention and wellness programs and at least 14 weeks’ gender-neutral parental leave.
• Exposure to cutting-edge technologies and research methodologies.
• Networking opportunities within Sanofi and the broader biotech community.

What This Job Offers

• Job Type: Full-time
• Career Level: Intern