
Manufacturing and Supply
Where the
miracles of
science are made
a reality for patients
Qualification & Validation Intern
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.
Job title:Qualification & Validation Intern
- Location: Waterford, Ireland
- Start date: January 2026
- Duration: 6-8 Months
About the job
As a Qualification & Validation Intern, you will experience life inside Sanofi where you will quickly become part of the team. During your placement you will have the opportunity to work on real projects that challenge you and help you develop the skills for a great career. You will experience a unique culture that is cantered on our people, our patients and our community. A work placement that gives you a chance to experience a real work environment before you graduate and to develop skills that you will need throughout your career including teamwork, problem solving and communication skills. By completing your placement here, you will gain valuable work experience. You’ll be able to build your skills and confidence by working alongside experienced specialists in your chosen business area. The work and training you will complete will be no different from any other team member, contributing to a range of projects as part of a highly skilled team.
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:
- The Qualification and Validation Engineer (Intern) plays a key role in ensuring the ongoing qualification and validation of equipment, systems, and processes at Sanofi.
- Is involved in the validation of new equipment, systems, and processes.
- Generates validation documentation (protocols/reports) and provides assistance with the execution of protocols for equipment, systems, and processes.
- Completes validation lifecycle documentation.
- Designs, executes, and reports on PV/Process Performance Qualifications.
- Designs, executes, and reports on validation studies for equipment, systems, and processes.
- Ensures validation studies are managed in accordance with all required Sanofi standards and legal requirements (Health & Safety, cGMP, construction, environmental, etc.).
- Provides technical interpretation and guidance on current US FDA and EU validation requirements for aseptic processing, lyophilisation, sterilisation, and depyrogenation.
- Ensures that the validation status of equipment and systems remains in compliance with cGMP at all times.
- Maintains validation documentation throughout the validation lifecycle.
- Participates in external regulatory inspections.
- Supports the Site Change Control process.
- Ensures projects and associated qualification/validation activities are completed in compliance with all required Sanofi and regulatory requirements (Health & Safety, cGMP, construction, environmental, etc.).
- Ensures that validation studies remain in compliance with cGMP at all times.
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.
About you
To excel in this role you will need to have:
- Degree in progress for Science (e.g. Chemistry, Microbiology or Pharmacy preferred) or Engineering (Chemical / Mechanical / Electrical) discipline
- Ability to execute projects to required timeline
- Good communication skills (written & oral)
- Ability to use MS applications
- Good organizational skills
- Ability to multitask and prioritize workload
- Ability to work as part of a team
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.
- Explore more with personalized development plans, short-term gigs, and internal mobility across functions and countries.
- 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.
#LI-EUR
nullPursue 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
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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
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"Manufacturing and Supply is the bridge between the science that happens in research laboratories and the people and communities we serve."

Brendan O’Callaghan
Executive Vice President of Manufacturing and Supply
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