Our client is looking for a Senior Network & Infrastructure Engineer to be the technical lead for the growing team. If you're a pro who loves coaching as much as troubleshooting, let's talk. The Role Act as the right hand to the manager, mentoring a team of to help them grow whilst being hands-on Own the full stack from Windows/Linux servers and VMware to Aruba networking and Azure cloud. Help the cloent move to a higher maturity by documenting standards, automating with PHP, and keeping them compliant (DORA/NIS2). Handle complex L2/L3 issues and join the 24/7 on-call rotation Your Profile 8+ years in infra with a \"been there, done that\" mindset and the ability to bring structure to a team. You're comfortable jumping between French and Dutch daily, it's a must for the Brussels/Brabant operations. Solid with Windows Server, Networking, and Virtualization; Linux skills (server-side) and scripting are big pluses. You're proactive, organized, and have a valid License B for the occasional site visit (pool car is provided, no company car) Offer A 35-hour work week with flexible hours and a solid package (insurance, meal vouchers, etc.). A permanent contract in a meaningful sector, based within walking distance of Brussels Central Station.