D-Network is looking for a Lead Infrastructure Engineer for a big industrial actor based in Puurs/Antwerpen. Permanent recruitment, CDI contract, internal function - no freelancer for this role.Dutch speaker + fluent in english (french is a plus).Your responsibilitiesYou act as the primary contact for infrastructure incidents and projects in Puurs, and when needed, other Belgian sitesYou install, configure, and maintain servers, networks, Storage, Firewalls, Wi-Fi, backups, and IT facility components (UPS, racks, cabling, cooling)You monitor infrastructure performance daily, conduct risk assessments, and define mitigation strategies to ensure stabilityYou design infrastructure solutions aligned with enterprise standards and liaise with Automation teams on OT-related infrastructureYou work with the Hub-based Senior System Administrator to maintain high availability, disaster recovery, and business continuityYou lead infrastructure projects (network upgrades, DataCenter modernization, hybrid cloud) and coordinate vendor activities with minimal downtimeYou maintain accurate technical documentation, disaster recovery plans, and support compliance efforts, including NIS2 requirementsYou contribute to long-term IT strategy, define multi-year roadmaps and budgets, and support DataCenter modernization and consolidationYou collaborate with Cyber Security, SecOps, and business managers to align on security, compliance, and trusted IT supportProfileYou have a Bachelor's or Master's degree in computer science, IT Infrastructure, or equivalent by experienceYou have >10 years of professional experience in IT infrastructure managementAn experience in industrial/OT-heavy environments (chemicals, pharma, manufacturing) is a strong plusYou have senior-level expertise in Cisco networking, VMware, enterprise Storage, backup, and VirtualizationYou manage disaster recovery, high availability, OT infrastructure, and IT facilities (UPS, racks, cabling, DataCenter operations)You are capable of leading and executing infra projects independently,You have a strong troubleshooting and preventive mindsetYou are skilled at working across technical, business, and vendor interfacesYou are able to operate both as a hands-on engineer and trusted advisor for Belgian/European infra strategyCertifications such as Cisco, VMware, Microsoft Azure, or equivalent infrastructure certification are an assetFluency in Dutch and English is required; knowledge of French is a strong advantage