Summer 2026 Intern - mRNA Data and Computational Science - Vaccines

Sanofi • Waltham, MA

2d • 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.

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

• 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.

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