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Sanofi S.A. · Life sciences

Biomolecule Engineer Novel RNA Modalities VIE Contract

Sanofi S.A. Waltham, MA Posted Aug 27, 2026
Location
Waltham, MA
Workplace
On-site / per employer
Posted
Aug 27, 2026

About this role

Biomolecule Engineer - Novel RNA Modalities - VIE Contract Location: United States of America, Waltham Target start date: 01/01/2027 iMove, the Sanofi VIE Program, is available to citizens of the European Economic Area (EU + Norway, Liechtenstein and Iceland) aged between 18 and 28. PLEASE NOTE that since this program is primarily an international development program, candidates cannot apply to a VIE assignment in their own country of citizenship. PLEASE NOTE that applications that are only submitted in French cannot be considered by our non-French speaking partners at Sanofi worldwide.

Therefore, only applications that are submitted in English will be considered. Please make sure to apply with your personal email address. About the job As Biomolecule Engineer - Novel RNA Modalities VIE within our Discovery and Translational Sciences team, you’ll support developing breakthrough ribonucleic acid (RNA) technologies that will shape the future of Sanofi's research & development (R&D) pipeline.

Join Sanofi's cutting-edge Biomolecule Engineering team as a VIE to accelerate the development of novel RNA therapeutic modalities. This role offers an exceptional opportunity to contribute to breakthrough RNA technologies that will shape the future of medicine and improve patients' lives worldwide. Join the team protecting half a billion lives every year with next-gen science, mRNA innovation, and AI-driven breakthroughs.

In Vaccines, you’ll help advance prevention on a global scale - and shape the future of immunization. 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: Design and engineer novel RNA molecules (mRNA, saRNA, circRNA,siRNA, antisense oligonucleotides, aptamers).

Optimize RNA sequences for stability, efficacy, and reduced immunogenicity. Develop structure-activity relationships for RNA therapeutic candidates. Execute RNA synthesis and purification protocols.

Perform in vitro and cell-based assays to evaluate RNA functionality. Analyze experimental data using statistical and bioinformatics tools. Maintain detailed laboratory notebooks and electronic records.

Work closely with data science, RNA analytics, high throughput screening (HTS), formulation and immunology teams. About you Experience: 0-2 years of relevant experience in RNA research or biotechnology. Strong academic background in molecular biology and biochemistry.

Experience with RNA design, synthesis, and characterization. Experience with statistical analysis software (R, Python, or similar). Soft and technical skills: Knowledge of analytical methods (HPLC, mass spectrometry, gel electrophoresis).

Familiarity with bioinformatics tools and sequence analysis software. Strong problem-solving and analytical thinking abilities. Excellent attention to detail and organizational skills.

Ability to work independently and in team environments. Adaptability and eagerness to learn new technologies. Education: Master's degree in Biochemistry, Molecular Biology, Bioengineering, Chemical Engineering, or related field.

Languages: Fluent English (verbal and written). Why choose us? Be part of a pioneering biopharma company where patient insights shape drug development.

Work at the forefront of AI-powered science that accelerates discovery and improves outcomes. Collaborate beyond your expertise, sparking new ideas with diverse, multidisciplinary teams. Share knowledge with leading scientists, engineers, and experts in a purpose-driven community dedicated to protecting millions worldwide.

Be part of a company that believes in the future with significant investment annually in manufacturing innovation. Help create sustainable vaccine solutions, from reducing carbon emissions in production to increasing global access to life-saving immunizations. Gain hands-on experience in state-of-the-art digital and AI-powered manufacturing facilities, where you can be part of industry-leading advancements. iMove is a unique program tailored for European youth interested in challenging themselves with meaningful assignments across the globe.

At Sanofi we have a strong ambition to invest in young talents who will drive the success of Sanofi tomorrow. Sanofi’s Work Abroad Program, iMove, offers jobs-assignments with actual responsibilities and a perspective to grow. We provide those opportunities in various functions such as: marketing, finance, regulatory, supply chain, clinical trials, production, etc. and in more than 40 countries.

Sanofi unites people who are passionate about solving healthcare needs across the world. Joining our iMove Work Abroad Program is a unique opportunity to make a difference through your work. #LI-EUR Pursue progress , discover extraordinary Better is out there. Better medications, better outcomes, better science.

But progress doesn’t happen without people – people from different backgrounds, in different locations, doing different roles, all united by one thing: a desire to make miracles happen. So, let’s be those people. At Sanofi, we provide equal opportunities to all regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, ability or gender identity.

Watch our ALL IN video and check out our Diversity Equity and Inclusion actions at sanofi.com ! US and Puerto Rico Residents Only Sanofi Inc. and its U.S. affiliates are Equal Opportunity employers committed to a culturally inclusive 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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