Our Client based in Walloon Brabant, a Telecom & IT infrastructure company, is looking for an experienced System & Network Administrator to support the IT Manager in managing day-to-day technical and operational activities. This is a client-facing, hands-on role ideal for someone who thrives in a dynamic, field-oriented environment. As a System & Network Administrator, you'll be responsible for the deployment, installation, and operational follow-up of infrastructure projects. You will work closely with clients across Belgium (Flanders, Brussels, Wallonia) and occasionally in France or Germany. The Job End-to-end implementation of infrastructure projects Daily client interactions and on-site presence Coordination and execution of technical tasks Participation in 1-3 client/project meetings per day No fixed office location, mobile & client-focused work environment Your Profile Fluent in Dutch, French, and English Solid experience in LAN/WAN network management Hands-on deployment, installation, and monitoring Proactive and hands-on and strong problem-solving skills Self-driven and able to work independently Comfortable working in the field with clients daily Offer Competitive salary package, company car included Varied and impactful projects at SME's and larger enterprises Flexibility and autonomy - no office duty A collaborative team