R&D
Where your curiosity drives the
miracles of
science

Job Title: Winter-Spring 2026 Co-Op-Intern - GMU Drug Product Development

Location: Waltham, MA

About the Job

Are you ready to shape the future of medicine? The race is on to speed up drug discovery and development to find answers for patients and their families. Your skills could be critical in helping our teams accelerate progress. 

We are seeking for a highly motivated individual to be a part of the multi-disciplinary and multi-modality Global Drug Product Development & Manufacturing group. The candidate will primarily support Biopharmaceutical Drug Product development projects for Gene Therapy (in support of the Genomic Medicine Unit) and Protein therapeutic programs. The incumbent will have the opportunity to work on different facets of drug delivery and product development for different modalities such as Lipid Nanoparticles (LNPs), gene therapy capsids (recombinant AAV capsids), Cell Therapy and Protein/Enzyme therapeutics

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?

Main Responsibilities:

• Execution of formulation, process development, characterization and stability studies for gene therapy programs (AAV and LNPs)

• Work with internal and external partners to address formulation, stability and compatibility aspects using established assays efficiently and comprehensively, across a variety of technological platforms and disciplines

• Maintain a strong work ethic and good documentation practices including electronic laboratory notebook maintenance and writing of technical reports and SOPs

• Analyze, compile and present results to internal and cross functional teams comprised of members from multiple groups and stakeholders.

About You

Basic Qualifications:

• Currently enrolled and pursuinga master's degree or Ph.D. in Pharmaceutical Sciences, Chemical Engineering, Biomedical Engineering, Biochemistry, or a related discipline at an accredited college or university with the expectation that you will complete your current degree by the Spring of 2027

• 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 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

Preferred Qualifications:

• 1+ years of relevant laboratory experience.

• The ability to collaborate effectively with peers across a spectrum of disciplines is required.

• Excellent communication skills.

• Ability to multi-task and learn new skills and possess flexibility and adaptability that is needed in a fast-paced team environment

• Excellent teamwork and collaboration skills.

• Experience in gene therapy, particularly formulation and manufacturing of lipid nanoparticles and viral capsids-based drug product is a significant plus

• Excellent teamwork and collaboration skills.

null

Pursue Progress. Discover Extraordinary.

Join Sanofi and step into a new era of science - where your growth can be just as transformative as the work we do. We invest in you to reach further, think faster, and do what’s never-been-done-before. You’ll help push boundaries, challenge convention, and build smarter solutions that reach the communities we serve. Ready to chase the miracles of science and improve people’s lives? Let’s Pursue Progress and Discover Extraordinary – together.

At Sanofi, we provide equal opportunities to all regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, protected veteran status or other characteristics protected by law.

Watch 'One day at Sanofi' and check out our Diversity Equity and Inclusion initiatives at sanofi.com