Job title: Reliability Engineering Intern

• Location: Waterford, Ireland

• Start date: January 2026

• Duration: 6-9 months

About the job 

As a Reliability Engineering Intern with Sanofi you will provide Technical support to the Production Department on reliability improvement elements, as directed by the site’s Reliability Excellence  Program, including the management of the production Predictive Maintenance system, building of Bill of Materials (BOMs) for Critical Fill Finish Equipment, progressing the build of critical spare parts, facilitating Failure Modes, Effects & Criticality Analysis (FMECA) Events within Fill Finish, and generating/providing key data for Equipment Performance Reviews on Critical production Equipment.

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:

• Ensure safe execution of all activities in compliance with cGMP, regulatory, and corporate standards

• Support predictive maintenance and performance reviews for critical production equipment

• Build and maintain Bills of Materials (BOMs) and manage critical spare parts with vendors

• Collaborate with SMEs and the Reliability Excellence Team during FMECA events and ensure timely processing of outputs

• Organize and manage technical documentation related to equipment performance and maintenance

• Contribute to the site’s Unplanned Downtime Governance process by collecting and sharing key data

• Participate in production-related initiatives and support leadership activities including coaching and team development

• Support Equipment Validation & Periodic re-Qualification Team in execution of protocols

About you  

To excel in this role, you will need to:

• Be in the penultimate year of your undergraduate or postgraduate (Master’s) studies, with an expected graduation date in 2027

• Be pursuing a degree in a STEM field, preferably in Electrical, Mechanical, Biomedical, or Digital Engineering (Honours)

• Demonstrate excellent communication and interpersonal skills

• Show strong analytical and problem-solving abilities

• Be a self-starter who is highly motivated and eager to learn

• Have a professional and open communication style

• Work effectively as a team player in a collaborative environment

• Be organized, resourceful, and innovative in your approach

• Embrace continuous learning and improvement

• Value diversity, integrity, and inclusion in the workplace

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

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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.

Watch 'One day at Sanofi' and check out our Diversity Equity and Inclusion initiatives at sanofi.com