Fall 2025 Co-op - mRNA Drug Substance Process Development - Vaccine

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.

Our Team:

The drug substance development team at Waltham MA is composed of a group of scientists, engineers, and contractors with diverse backgrounds. We design, develop, and scale-up/down processes for mRNA drug substance from research handoff to commercial launch for up to 7 INDs per year with each IND including 1 – 8 drug substances. We foster a fast-paced but fun and uplifting environment.

Main responsibilities:

• The co-op supports the mRNA Drug Substance Development group in Waltham, MA.

• We are seeking an individual with basic laboratory skills and experience, who will be trained to execute experiments to execute mRNA process development studies.

• Completing small-scale buffer preparation.

• Cleaning, setting up, troubleshooting, and sanitizing small-scale process equipment.

• Documenting experiments in electronic lab notebook in an organized manner.

• Compiling and analyzing data, and presenting results to internal and external teams

• Complying with laboratory safety requirements and standard operating procedures.

• Assisting in maintaining general laboratory functionality, including lab equipment maintenance, and ordering, and receiving of lab supplies

• Limited travels (<5%)

**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 you

Basic Qualifications:

• Currently pursuing a bachelor's or master's degree in chemical engineering, chemistry, Bioengineering or Biochemistry with the expectation that you will complete your current degree by Spring of 2027 

• Must be enrolled in school the semester following your co-op with Sanofi.  

• Must be able to relocate to our Waltham, MA office location and work 40hrs/week for the full duration of the co-op

• Must have permanent US work authorization 

Preferred Qualifications:

• Hands-on experience with filtration, chromatography, and TFF is preferred

• Proficiency in using Microsoft Office programs (Excel, Word, PowerPoint, SmartSheet, SharePoint

• Good written and verbal communication skills in English

• Ability to be flexible and responsive to change, be a results-driven problem solve

• Must be curious, eager, open to learning, and independent.

About your development opportunities:

• Work with industry veterans who are open to mentorship and networking in your career and academic growth.

• Work under the guidance of seasoned professionals and subject matter experts on real multiple cutting-edge projects related to vaccine, genomic medicine, etc.

• Have plenty of opportunities to network through all sorts of fun events such as happy hour, team lunch, games etc. across mRNA CoE of Sanofi.

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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