• Location: Waterford
• Start date: Mid-January 2027
• Duration: 8 months
• Work Model: on-site

About the job 

As a Manufacturing Sciences Intern, you will join our Manufacturing Sciences team within the laboratory at Sanofi Waterford, gaining hands-on experience in scientific investigations, laboratory testing and biopharmaceutical manufacturing processes.

You will work alongside experienced scientists, supporting projects involving complex biologics, including enzyme replacement therapies and monoclonal antibodies. This is an opportunity to explore new techniques, develop your problem-solving skills and contribute to scientific projects that support the development and improvement of manufacturing processes.

Ready to grow your skills while helping shape the future of healthcare? At Sanofi, you’ll be empowered to learn, ask questions, and bring your ideas to life – all while supported by inspiring mentors and collaborative teams.

Main responsibilities:

• Support day-to-day laboratory operations, including safety checks, chemical inventory management, sample handling and maintaining an organised working environment.
• Gain hands-on experience with laboratory techniques, including lyophilisation (freeze-drying) of biologics and protein characterisation.
• Assist with laboratory testing, scientific investigations and experimental activities under the guidance of experienced scientists.
• Support the planning, execution and documentation of technical studies, helping to analyse findings and explore potential solutions.
• Contribute to projects focused on improving manufacturing processes, introducing new products and supporting existing products throughout their lifecycle.
• Assist with laboratory equipment checks, documentation and maintaining accurate experimental records.
• Collaborate with team members to troubleshoot scientific challenges, share ideas and explore new approaches to laboratory work.

About you  

To excel in this role you will need to have:

• Currently studying in the second or third year of a university degree in Biochemistry, Chemistry, Biology, Pharmaceutical Sciences, Biopharmaceutical Sciences or a related scientific discipline.
• A basic understanding of laboratory practices and scientific principles gained through your studies.
• A genuine interest in science, laboratory experimentation and learning new techniques.
• Strong attention to detail, curiosity and a willingness to approach challenges with a problem-solving mindset.
• Good communication and teamwork skills, with the confidence to ask questions, share ideas and seek guidance when needed.
• A proactive approach to learning, openness to feedback and willingness to take initiative as your knowledge develops.
• Basic proficiency in Microsoft Office applications, including Word, Excel and PowerPoint.

Previous industry experience is not required. We value your enthusiasm, curiosity and willingness to learn, and you will receive training and support throughout your internship.

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.

Why choose us? 

• Stretch your skills through apprenticeships, internships, graduate programs, and international experiences that grow with you. 
• Learn from inspiring mentors and collaborative teams while contributing to real projects that shape the future of healthcare. 
• Build your future with access to the latest tools, digital innovation, and continuous learning that keep you ahead of the curve. 
• Grow in a purpose-driven company where your voice matters and your work helps improve millions of lives. 
• Thrive in inclusive, flexible workplaces that support your personal and professional well-being. 
• Launch your career with a company that invests in you — and empowers you to reimagine what’s possible.

We reserve the right to close this vacancy earlier than the advertised closing date should we receive a sufficient number of applications.

#LI-EUR #LI-Onsite #LI-Hybrid

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!