Third-Line System Support Engineer – Telecommunications Sector Location: Brussels, Belgium (Hybrid – 2 days onsite, flexible remote)Experience: 7+ years in IT support & infrastructurePosition: Third-Line System Support EngineerAbout the CompanyJoin a leading Belgian telecom provider delivering cutting-edge voice, data, and media services nationwide. As part of their commitment to reliability and innovation, they are seeking a seasoned engineer to join their third-line support team the critical escalation point for complex system issues impacting key services.Your RoleProvide expert third-line support for complex incidents affecting telecom systems.Act as escalation point for first- and second-line support teams, driving issue resolution and root-cause analysis.Monitor and maintain both cloud and on-prem telecom infrastructure.Collaborate with network, platform, and development teams to ensure high service availability.Automate system processes and optimize service recovery workflows.Influence system architecture for scalability, resilience, and continuous improvement.What We’re Looking ForExperienced & solution-oriented: 10+ years in IT support and infrastructure, preferably telecom.Technically strong: Deep knowledge of Windows Server, Microsoft 365, networking, firewalls, NAS, virtualization, security, and telecom platforms like 3CX.Analytical & strategic: Able to see the bigger picture and align IT solutions with business goals.Mentor & leader: Committed to developing junior engineers and raising team capabilities.Proactive & ownership-driven: Prevents problems before they occur, doesn’t just react.Excellent communicator: Translates technical issues into clear solutions for teams and clients.What’s On OfferCompetitive salary (€3000–€5000 gross/month, depending on experience)Hybrid work (2+ days onsite)Company car, health & group insurance, net allowancesCareer progression in a forward-thinking telecom environmentCollaborative and innovative work culture Interested? Reach out on LinkedIn or contact me directly: +32 23 20 14 00 Max.Howells-Knight@vividresourcing.com