Waltham MA Spring 2027 Molecular Biology Co-op

About the Job

Looking to launch your career at the cutting edge of healthcare? Join Sanofi to develop with mentoring and guidance from inspiring leaders while helping make an impact on the lives of people worldwide. Sanofi is seeking a motivated Spring Co-op to join the 2027 Winter, Spring - Co-op - Molecular Biology team.

The co-op lasts 6 months and is based in Waltham, MA. Student hires work side by side with biopharmaceutical professionals in a fast-paced, collaborative environment.

The Team

The Biochemistry Group within the Global Antigen Design (GAD) Department helps develop vaccine candidates, from early prototype optimization through IND-enabling activities. As a co-op on the Biochemistry platform focused on molecular biology, you will help develop next generation vaccines targeting respiratory pathogens (which may include seasonal influenza, pandemic influenza, RSV, hMPV and/or COVID). Your main focus will be vaccine candidate characterization, working closely with experienced experts.

You will learn and apply molecular techniques such as DNA assembly and purification, electrophoresis, RE digestion, Gibson, Golden Gate and HiFi DNA assembly, PCR, transformation, DNA/RNA extraction, UV/Vis spectrophotometry, sequencing, RT-PCR and functional activity assays. You will also learn Sanofi's automation system used to produce expression plasmids and proteins.

About Sanofi

Sanofi is an R&D-driven, AI-powered biopharma company dedicated to improving people's lives. Its deep understanding of the immune system and innovative pipeline supports medicines and vaccines that treat and protect millions of people worldwide.

Main Responsibilities

• Complete specific laboratory research tasks under supervision, with high productivity, consistency and high-quality data.
• Learn molecular biology by reading scientific literature and working with your supervisor and team.
• Maintain and update experiment notebooks according to QA requirements.
• Take part in lab and equipment maintenance and restocking lab supplies.
• Attend group meetings and present data.

Preferred Qualifications

• Preferably some R&D experience from lab courses or other work in molecular cloning, cell culture, aseptic technique or lab automated systems.
• Scripting (Java, C++, Python), data visualization (Tableau, SpotFire) and automation experience.
• Strong knowledge of MS Office including Excel, PowerPoint and Word.
• Nice to have: DNA/RNA techniques, PCR, bacterial expression, molecular cloning, lab skills and automation.
• Good interpersonal and communication skills, with the ability to work independently and on a team under supervision.
• Able to perform experiments from verbal or written instructions while learning new concepts and procedures.

Why Choose Us

• Bring the miracles of science to life alongside a supportive, future-focused team.
• Grow your skills through apprenticeships, internships, graduate programs and international experiences.
• Learn from mentors and collaborative teams while contributing to real projects that shape healthcare.
• Access the latest tools, digital innovation and continuous learning.