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Manufacturing and Supply

Manufacturing and Supply
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Fall 2025 Co-Op - Recombinant Mammalian MSAT (AST)

Framingham, Massachusetts
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At a glance

Our teams produce and deliver over 4 billion units of medicines and vaccines every year, ensuring every breakthrough gets to the people who need it most.
Our state-of-the-art facilities, AI-powered smart factories, and cutting-edge automation are redefining what’s possible: ensuring treatments reach patients faster, safer, and more sustainably than ever before. This is where your skills, ambition, and passion can shape the future of healthcare.

Job title: Fall 2025 Co-Op - Recombinant Mammalian MSAT (AST)

Location: Framingham, MA

About the job

We deliver 4.3 billion healthcare solutions to people every year, thanks to the flawless planning and meticulous eye for detail of our Manufacturing & Supply teams. With your talent and ambition, we can do even more to protect people from infectious diseases and bring hope to patients and their families. Your job, as Recombinant Mammalian MSAT (AST) within our [Team Name], will be to [summary of opportunity].

We are an innovative global healthcare company with one purpose: to chase the miracles of science to improve people’s lives. We’re also a company where you can flourish and grow your career, with countless opportunities to explore, make connections with people, and stretch the limits of what you thought was possible. Ready to get started?

Overview:

The 2025 Fall Co-Op will work in the downstream process development group of the drug substance function in Recombinant Mammalian Science, Analytics, and Technology (MSAT). The co-op will work in a laboratory setting on a project related to protein purification process characterization and protein drug substance stability.

The drug substance function within Recombinant Mammalian Science, Analytics, and Technology (MSAT) is the owner of Life Cycle Management (LCM) of DS Processes within Sanofi biologics manufacturing network. We deliver innovative, robust, and cost-effective next generation processes and provide commercial manufacturing support. The function is responsible for tech transfer activities including process fit-gap assessment, process validation, prepare dossier sections, & PAI support to enable launch of new and LCM products. Our expansive portfolio covers 17 products, 5 modalities, 3 expression systems within 12 internal and external global sites in US and EU. We will be supporting launch of 20 new products in next 5 years including monoclonal and multi-specific antibodies, fusion proteins, antibody-drug conjugates, synthorins and nanobodies. In recent years we have successfully established second-generation manufacturing process with a continuous process platform. We are pursuing future innovations such as digital labs, factories of future and advanced analytics-based process understanding and control.

**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). **

Responsibilities:

  • Work on an MSAT development project

  • Evaluate and establish automation on Hamilton

  • Establish semi-automation methods for U/HPLCs

  • Establish sample preparation on the Hamilton.

  • Establish sample normalization, and sample clean-up for already established methods.

  • Establish Robustness and Reproducibility

  • Investigate Sample Vial vs Plate capabilities.

  • Collaborate with the MSAT project team; attend regular team meetings and share study progress and results.

Basic Qualifications:

  • Currently pursuing a Bachelor's or Master's degree in Biology, Biological/Biomedical Engineering, Biotechnology, Biochemistry, Chemistry or related field at an accredited college or universitywith the expectation that you will complete yourcurrent degreeby the Spring of 2027

  • Must be enrolled in school the semester following your 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

  • Must have permanent US work authorization

Preferred Qualifications:

  • Basic understanding of general concepts of biochemistry and laboratory procedures

  • Ability to work in Biosafety Level 1 environments and follow lab safety procedures

  • Proficiency in Microsoft Office software (excel, PowerPoint, word).

  • Excellent communication skills, written and verbal; able to effectively communicate with supervisor and team members

  • Highly organized with a keen attention to details

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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  • We’re problem-solvers and pioneers. United by the belief that everyone deserves a healthier future. We create best-in-class vaccines that prevent disease and protect lives.

  • Innovation drives us. From AI and mRNA to next-gen science, we push the boundaries to deliver first- and best-in-class vaccines for infectious diseases worldwide.

  • Growth happens here. With bold investments in R&D and world-class facilities, Sanofians across the entire vaccine lifecycle are shaping the future of global health.

  • We do what’s right. Sustainability and DE&I drive our positive global impact—because the diverse communities Sanofians represent are the patients we serve.

All-in on diversity

At Sanofi, diverse perspectives fuel the best solutions for patients. Hear from Monique Vessey, our Supply Chain Transformation Leader, on how her background shapes her approach to delivering life-changing medicines.

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Executive Vice President of Manufacturing and Supply

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