Skip to main content
Early Careers

Early Careers
Shape the future with us. This is how we Sanofi.

Genomic Medicine Unit (GMU) Drug Product Development 2026 Summer-Fall Co-op

Waltham, Massachusetts
Apply now

At a glance

Early Careers at Sanofi aren’t just about landing a role – they’re about starting a journey that stretches you from day one. You’ll dive into projects that matter, surrounded by people who challenge, mentor, and inspire you to explore more every step of the way.

Here, you can navigate paths across science, digital, manufacturing, and business – following your curiosity, growing your expertise, and building skills for tomorrow. With AI-powered tools, world-class learning, and a culture rooted in collaboration, we give you the opportunity to develop your expertise and transform our future.

Job title: Genomic Medicine Unit (GMU) Drug Product Development 2026 Summer-Fall Co-op

Location: Waltham, MA

About the Job

Join the engine of Sanofi’s mission — where deep immunoscience meets bold, AI-powered research. In R&D, you’ll drive breakthroughs that could turn the impossible into possible for millions. 

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 be a part of the Biologics Drug Product Development team in support of Gene Therapy programs in the Genomic Medicine Unit. The incumbent will have the opportunity to work on different facets of drug delivery and product development for modalities such as Lipid Nanoparticles (LNPs) and Adeno-associated virus (AAV). This position is a 6-month fixed term Co-op opportunity. Candidates must be available 40 hours per week, Monday-Friday, at Waltham MA.

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?

About Sanofi:

We’re an R&D-driven, AI-powered biopharma company committed to improving people’s lives and delivering compelling growth. Our deep understanding of the immune system – and innovative pipeline – enables us to invent medicines and vaccines that treat and protect millions of people around the world. Together, we chase the miracles of science to improve people’s lives. 

Main Responsibilities:

  • Execution of formulation, process development and stability studies for gene therapy programs

  • 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 pursuing a bachelor's degree, master's degree, or PhD in Pharmaceutical Sciences, Chemical Engineering, Biomedical Engineering, Biochemistry, or a related discipline at an accredited college or university

  • Must be enrolled in an accreditedcollege or university throughout the duration of the co-op/internship

  • 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

  • Must have 1+ years of relevant laboratory experience

Preferred Qualifications:

  • 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

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

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

  • Advance knowledge and experience in using chromatographic and biophysical techniques is an added benefit

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. 

  • Exposure to cutting-edge technologies and research methodologies. 

  • Networking opportunities within Sanofi and the broader biotech community. 

The salary range for this position is $27-$60 hourly. All compensation will be determined commensurate with demonstrated experience

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. 

#GD-SA
#LI-SA​

#LI-Onsite

#vhd

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

Apply now
Illustration of map pins on globe

Find out more about this location

People sitting on tiered wooden steps with colorful cushions, talking and holding coffee.

Why work with us

  • Shape your own journey. At Sanofi, diverse perspectives fuel bold thinking – and your path is yours to define. Whether through internships or graduate programs, you’ll explore more and build the future-ready skills that take your potential to the next level.

  • Grow with the best. You’ll learn from experts across science, tech, manufacturing, and business – collaborating as one team on challenging projects that stretch you.

  • Be empowered by innovation. With AI-powered tools, fresh ideas, and the freedom to be curious, you’ll partner with colleagues who turn challenges into breakthroughs – and help reimagine what’s possible.

  • Make an impact from day one. Your work matters. You’ll shape solutions, contribute to an inclusive, sustainable future, and experience what it means to say: This is how we Sanofi.

This is how we Sanofi

Building international networks, empowering career growth, and innovating through smart risks. This is how we innovate. This is how we transform healthcare. This is how we Sanofi.

icon of a speech bubble
"We’re transforming Early Careers at Sanofi — with a clear mission to empower the next generation of healthcare leaders with the skills of tomorrow. Here, you’ll find bold and meaningful experiences that fuel your growth, ignite your potential, and enable you to make an impact from day one."

Andrew Sharp

Global Head of Early Careers

Discover more

Person wearing a lanyard seated near a large screen in an office.

Meet Matthew, Associate Brand Manager Flu & Travel, UK & Ireland

Matthew is one of Sanofi’s Emerging Talent Graduate Scheme participants. Through hands-on rotations across different business units, he’s developed a diverse skill set – from tender management to marketing – while gaining real ownership and accountability. Discover how his experience is shaping a dynamic and purposeful career built on continuous learning and growth.

Find out more

Person working on a laptop in an office setting.

Meet Douglas, Sustainability Apprentice, UK & Ireland

Douglas is a Corporate Responsibility and Sustainability Apprentice with a passion for the environment. Through his apprenticeship at Sanofi, Douglas is gaining valuable knowledge and contributing to meaningful, purpose-driven work. Learn how his journey is helping him build a strong foundation for a future career that makes a positive impact.

Find out more

Join our
talent community

What could we achieve together? Every Sanofian works on projects that truly make a difference to people’s lives.

Sign up today and discover our latest opportunities as soon as they’re available.