System Engineer Network & Security

Are you an experienced Network & Security System Administrator who thrives in complex network and security environments? At Jan De Nul Group, headquartered in Aalst (Belgium), you will take responsibility for helping design, manage, and maintain a global IT network supporting our offices, construction sites, and vessels worldwide. In this role, you combine deep expertise in routing, switching, firewalls, and cybersecurity with an international project environment where stability, performance, and security are key priorities.