Manufacturing and Supply
Where the
miracles of
science are made
a reality for patients
Head of Site 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.
About the job
As Head of Site Engineering & Maintenance within our Manufacturing & Supply team, you'll be responsible for operating the technical infrastructure and lead the maintenance operations that keep our pharmaceutical manufacturing site running seamlessly and safely. Ready to get started?
Join a global network that powers how Sanofi delivers — seamlessly, purposefully, and at scale. In Manufacturing & Supply, you'll help reimagine how life-changing treatments reach people everywhere, faster, while ensuring the highest standards of quality and efficiency at our Csanyikvölgy pharmaceutical manufacturing facility.
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 reliable operation on competitive cost level including line maintenance, utility management, automisation, managing all technical aspects on the site
- Lead capital project initiation, funding decisions, and full lifecycle delivery
- Optimize manufacturing output through reliability engineering and maintenance cost management
- Allocate engineering & maintenance budget across projects and operational needs
- Ensure compliance with GMP, industry and engineering regulations
- Drive process improvements for efficiency, safety, and quality
- Manage external contractors and vendor relationships
- Build and develop Engineering & Project teams
About you:
- Experience: Proven experience in managing complex technical team and project management
- Strong knowledge of pharmaceutical manufacturing
- Strong knowledge in GMP
- Experience in budget management and financial control
- Education: MsC level graduation in Technical Engineering, ideally mechanical engineering
- Excellent analytical and problem-solving skills
- Ability to lead with courage, act as a role model, and create an environment where team members feel empowered to take ownership and grow
- Languages: Hungarian and English (fluent)
What We Offer
- Meaningful Impact: Lead critical operations that enable life-changing treatments to reach patients worldwide
- Career Development: Access to continuous learning, leadership programs, and clear progression pathways within Sanofi's global network
- Competitive Package: Attractive salary, bonus and benefit package
- Inclusive Culture: Join a diverse team that values bold thinking, innovation, and collaboration aligned with our "Take the Lead" philosophy
#LI-EUR
PursueProgress. 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, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, protected veteran status or other characteristics protected by law.
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
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.
"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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