Job Description

Winter, Spring 2026 Co-op-Intern - mRNA Data and Computational Science

The Co-op position is located in the Data and Computational Science (DCS) department within the Sanofi mRNA Center of Excellence (mRNA CoE), supporting the CMC data science group. This role focuses on developing chemometric models using process analytical technologies (PAT) such as Raman and FTIR and integrating these with first principle and machine learning (ML) models for various units, including In Vitro Transcription (IVT) and T-mixing in drug substance and product process development. The candidate will have the opportunity to learn about mRNA technology and unit operations, and to demonstrate the benefits of PAT technologies alongside first principle and ML modeling in a non-GMP lab environment.

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.

Main Responsibilities

• The successful candidate will collaborate with their supervisor to develop chemometric models and integrate them with first principle and machine learning (ML) models for various unit operations.
• Activities will include investigating data reconciliation and state estimation techniques such as extended Kalman filtering and moving horizon methods.

About You

Must be permanently authorized to work in the U.S. and not require sponsorship of an employment visa (e.g., H-1B or green card) at the time of application or in the future. Students currently on CPT, OPT, or STEM OPT usually require future sponsorship for long term employment and do not meet the requirements for this program unless eligible for an alternative long-term status that does not require company sponsorship

Basic Qualifications

• Currently pursuing bachelor's, master's, or PhD in chemical or biochemical engineering, electrical and computer engineering, or other STEM related field at an accredited college or university
• Must be able to relocate to the office location and work 40hrs/week, Monday-Friday, for the full duration of the co-op/internship

Preferred Qualifications

• Basic understanding of mRNA technology.
• Experience in chemometrics, ML, first principle, and hybrid dynamic modeling and state estimation technique (such as EKF and MHE)
• Familiarity with mathematical software and packages (SIMCA, 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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