Manufacturing and Supply
Where the
miracles of
science are made
a reality for patients
Manufacturing Operations Specialist Intern (Lyo)
At a glance
Our teams produce and deliver over 4 billion units of medicines and vaccines every year, ensuring every breakthrough gets to the people who need it most.
Our state-of-the-art facilities, AI-powered smart factories, and cutting-edge automation are redefining what’s possible: ensuring treatments reach patients faster, safer, and more sustainably than ever before. This is where your skills, ambition, and passion can shape the future of healthcare.
- Location: Waterford
- Start date: Mid-January 2027
- Duration: 6–8 months
- Work Model: On-site
About the job
As a Manufacturing Operations Specialist Intern, you will gain hands-on experience in a pharmaceutical manufacturing environment, supporting daily operations within our Lyophilisation (Lyo) team. You will work alongside experienced colleagues, helping to ensure manufacturing activities are carried out safely, efficiently and in line with quality standards.
You will also have the opportunity to contribute to continuous improvement projects, support manufacturing documentation and develop your problem-solving and technical skills while gaining valuable industry experience.
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.
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
- Support daily manufacturing operations, helping ensure activities are carried out safely and in accordance with Good Manufacturing Practice (GMP) requirements.
- Assist with the preparation, review and updating of manufacturing procedures, batch documentation and training materials.
- Support the team in maintaining accurate records and preparing documentation for quality reviews and audits.
- Help collect, organise and analyse operational data to identify trends and opportunities for improvement.
- Participate in continuous improvement initiatives focused on improving safety, quality and operational efficiency.
- Collaborate with Manufacturing, Quality and other departments to support projects, follow up on issues and contribute to problem-solving activities.
- Attend team meetings, share updates and actively contribute to achieving team goals and project objectives.
About you
To excel in this role, you will need to:
- Be a current university student studying towards a degree in Engineering, Science, Pharmaceutical Science, Mathematics or another relevant technical discipline, with plans to return to university after completing the internship.
- Have a basic knowledge of Microsoft Office, particularly Word, PowerPoint and Excel.
- Have good communication skills and be comfortable contributing during meetings and presenting information to others.
- Be proactive, curious and eager to learn, with an interest in Continuous Improvement and manufacturing.
- Be comfortable working collaboratively as part of a team and supporting different projects and activities.
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.
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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.
Find out more about this location
Why work with us
- We’re problem-solvers and pioneers. United by the belief that everyone deserves a healthier future. We create best-in-class vaccines that prevent disease and protect lives.
- Innovation drives us. From AI and mRNA to next-gen science, we push the boundaries to deliver first- and best-in-class vaccines for infectious diseases worldwide.
- Growth happens here. With bold investments in R&D and world-class facilities, Sanofians across the entire vaccine lifecycle are shaping the future of global health.
- We do what’s right. Sustainability and DE&I drive our positive global impact—because the diverse communities Sanofians represent are the patients we serve.
All-in on diversity
At Sanofi, diverse perspectives fuel the best solutions for patients. Hear from Monique Vessey, our Supply Chain Transformation Leader, on how her background shapes her approach to delivering life-changing medicines.
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