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Site Security Lead

Synthorx

Synthorx

2440 Geel, Belgium
Posted on Mar 26, 2026

Site Security Lead

  • Location: Geel, Belgium
  • Job type: Permanent, Full time

About the job

As Site Security Lead for our Geel site, you'll protect what matters most – our people, products, and patients – while driving security excellence across a state-of-the-art GMP manufacturing facility. 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. Our Belgium site operates 24/7 with over 1,000 employees, and you'll be at the heart of ensuring their safety while managing security operations, driving process improvements, and navigating continuous site evolution.

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:

  • Oversee daily security operations including 24/7 security coverage, visitor management, access control, and coordination with external security service providers to ensure the highest standards of protection.
  • Identify and mitigate emerging threats by conducting regular risk assessments, implementing proactive security measures, and deploying corporate security requirements across the site.
  • Lead security process improvements following internal audit recommendations, maintaining efficiency through regular self-assessments and controls of physical security measures.
  • Manage security implications of site changes by coordinating with stakeholders during ongoing layout modifications and operational evolution, ensuring seamless integration of security protocols.
  • Support crisis management by coordinating incident response, reporting security issues, and implementing corrective measures in collaboration with site leadership and local law enforcement.
  • Build and maintain stakeholder relationships across internal teams, site management, external security partners, and local police to create a collaborative security ecosystem.
  • Champion security culture by delivering training and awareness programs, organizing induction sessions for new employees and contractors, and embedding security mindset across the organization.

About you

  • Relevant security experience in industrial, manufacturing, or regulated environments with proven success in managing security operations and stakeholder relationships.
  • Strong risk assessment mindset with the ability to identify vulnerabilities, conduct security evaluations, and implement practical, effective solutions.
  • Contractor and contract management expertise, ensuring service delivery meets expectations and maintaining quality standards across external security providers.
  • Change management and process improvement skills with a proactive approach to driving continuous enhancement of security processes and systems.
  • Knowledge of security legislation, access control systems, and supply chain security (or demonstrated willingness to develop this expertise with support from our team).
  • Safety-first mentality with commitment to the belief that every incident is preventable through culture, accountability, and organizational excellence.
  • Discretion and integrity to handle sensitive and confidential matters with professionalism, rigor, and sound judgment.
  • Fluent English and Dutch (written and oral) for effective communication, reporting, and collaboration across our international network.

Why choose us?

  • Make a direct impact on patient safety by ensuring life-changing treatments are protected and delivered to those who need them most — from our cutting-edge GMP facility to patients worldwide.
  • Be part of world-first initiatives like our Modulus factory, smart factories, and AI-driven supply chain solutions that are redefining global manufacturing.
  • Grow, thrive, and discover with access to new skills, cross-functional roles, and a workplace that empowers you to bring your best self every day.

#LI-EUR

Pursue progress, discover extraordinary

Better is out there. Better medications, better outcomes, better science. But 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. So, let’s be those people.

At Sanofi, we provide equal opportunities to all regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, ability or gender identity.

Watch our ALL IN video and check out our Diversity Equity and Inclusion actions at sanofi.com!