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). You act as the primary contact for infrastructure incidents and projects in Puurs, and when needed, other Belgian sites,You install, configure, and maintain servers, networks, storage, firewalls, Wi-Fi, backups, and IT facility components (UPS, racks, cabling, cooling),You design infrastructure solutions aligned with enterprise standards and liaise with Automation teams on OT-related infrastructure,You work with the HUB-based Senior System Administrator to maintain high availability, disaster recovery, and business continuity,You lead infrastructure projects (network upgrades, datacenter modernization, hybrid cloud) and coordinate vendor activities with minimal downtime,You contribute to long-term IT strategy, define multi-year roadmaps and budgets, and support datacenter modernization and consolidation,You collaborate with Cyber Security, SecOps, and business managers to align on security, compliance, and trusted IT support. You have a Bachelor's or Master's degree in computer science, IT Infrastructure, or equivalent by experience,You have > 10 years of professionalexperience in IT infrastructure management,An experience in industrial/OT-heavy environments (chemicals, pharma, manufacturing) is a strong plus,You have senior-level expertise in Cisco networking, VMware, enterprise storage, backup, and virtualization,You 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 are able to operate both as a hands-on engineer and trusted advisor for Belgian/European infra strategy,Fluency in Dutch and English is required; knowledge of French is a strong advantage.