Fall 2025 Co-op - Process and CMC Data Science- Vaccines
Sanofi

Job Info

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Job Title: Fall 2025 Co-op - Process and CMC Data Science- Vaccines

Duration: 07.07.2025 - 12.19.2025

Location: Waltham, MA

**At this time, Sanofi will not sponsor a new applicant for employment authorization or offer any immigration related support for this position (i.e. H1B, F-1 OPT, F-1 STEM OPT, F-1 CPT, J-1, TN, or another type of work authorization).**

About the Job

We are an innovative global healthcare company that helps the world stay ahead of infectious diseases by delivering more than 500 million vaccine doses a year. Across different countries, our talented teams are exploring new technologies to protect people and promote healthy communities. We chase the miracles of science every single day, pursuing progress to make a real impact on millions of patients around the world.

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 first principle and machine learning (ML) models for different units, such as Tangential Flow Filtration (TFF) in drug product process development. The candidate will have opportunities to learn about mRNA technology and unit operations, and to demonstrate the benefits of first principle and ML modeling in a non-GMP lab environment.

Main Responsibilities:

• 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.
  

About You

Basic Qualifications:

• Currently pursuing bachelor's, master's, or PhD in biology, chemical or biochemical engineering, computer science, or other STEM related field at an accredited college or university
  
• Must be enrolled in school the semester following your internship/co-op with Sanofi
  
• 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 have permanent US work authorization
  

Preferred Qualifications:

• 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).
  

Why Choose Us?

• 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.
  

Sanofi Inc. and its U.S. affiliates are Equal Opportunity and Affirmative Action employers committed to a culturally diverse workforce. All qualified applicants will receive consideration for employment without regard to race; color; creed; religion; national origin; age; ancestry; nationality; marital, domestic partnership or civil union status; sex, gender, gender identity or expression; affectional or sexual orientation; disability; veteran or military status or liability for military status; domestic violence victim status; atypical cellular or blood trait; genetic information (including the refusal to submit to genetic testing) or any other characteristic protected by law.

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