
Manufacturing and Supply
Where the
miracles of
science are made
a reality for patients
Process Engineering
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.
Process Engineer –Fill Finish
Location: Waterford
Contract Type: Fixed Term
About the Job:
Reporting to the Team Lead, you will play an integral role within the Lyo APU team, ensuring reliable manufacturing and supply of vial products to our patients globally.
We deliver 4.3 billion healthcare solutions to people every year, thanks to the flawless planning and meticulous eye for detail of our Manufacturing & Supply teams. With your talent and ambition, we can do even more to protect people from infectious diseases and bring hope to patients and their families.
Main responsibilities:
Provide process engineering support to the Lyo APU.
Support delivery of continuous improvement projects to existing equipment.
Work closely with various departments, such as MSAT, Technical Development, Quality Assurance, and Supply Chain.
Lead and coordinate elements of an automated inspection project and contribute to process engineering activities related to the development of new and existing manufacturing capacity.
Utilisation of knowledge gained from existing manufacturing technologies to aid in the development of new technologies with the goal of implementing higher output and yield.
Ensure safety compliance, providing technical and engineering support for process and equipment failures, identifying, and implementing process and product improvements, supporting qualification of new products/processes, analysing machine performance data, and managing improvement projects within budget and time constraints
Support new product introductions and capacity expansions, including new vendor selections, maintenance planning, design changes, change controls, OEE improvement, yield improvement, etc.
Lead systematic technical root cause investigations, Customer Complaints, Vendor Complaint, Change Controls and annual PQR Reports
Support all company safety and quality programs and initiatives.
About you
Experience in a highly regulated GMP environment.
Degree in an Engineering discipline.
Strong problem solving and communication skills.
Strong documentation/protocol generation and execution skills.
Background in high volume inspection with demonstrated experience.
Why choose us?
- Bring the miracles of science to life alongside a supportive, future-focused team.
- Discover endless opportunities to grow your talent and drive your career, whether it’s through a promotion or lateral move, at home or internationally.
- Enjoy a thoughtful, well-crafted rewards package that recognizes your contribution and amplifies your impact.
- Drive implementation science, powerful crowdsourcing and open innovation , discovering the ways to bring science to live faster , contributing to a patient first mindset
- Take good care of yourself and your family, with a wide range of health and wellbeing benefits including high-quality healthcare, prevention and wellness programs and at least 14 weeks’ gender-neutral parental leave
Pursue Progress. Discover Extraordinary.
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. You can be one of those people. Chasing change, embracing new ideas and exploring all the opportunities we have to offer. Let’s pursue progress. And let’s 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, or gender identity.
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
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.

"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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