About the Mission
We are looking for a network administrator with knowledge of telephony and contact centers or ready to acquire them to strengthen the network and telephony team. The network and telephony team ensures the implementation, management, support and improvement of Confidential’ network and telephony infrastructure. Concretely, you may be responsible for the following tasks: Monitoring, management and monitoring of the network Replacement, addition, monitoring, maintenance of network infrastructure components (switch, router, proxy apliance, wifi appliance,, FW, … Management, installation and maintenance of network security equipment (Firewall, Web application firewall, email secure gateway, etc.) Setting up network links between the different sites Setting up and configuring network equipment according to the plans given by the architecture team network Management, implementation and maintenance of network monitoring tools for capacity management and traffic developments on the network Support for the various ICT teams in the context of incident management (level 2 and 3 support) Proposals for improvements to the network architecture and security Daily management of IP telephony Participation in the deployment of new contact centers to improve the operation of services On an ad hoc and occasional basis, participation in small network cabling On the other hand, and in order to participate in. automation of tasks, you have a good knowledge of automation principles, infrastructure provisioning tools as well as scripting and automation languages The technical skills sought are Ethernet, TCP/IP Wifi: Cisco 5500 and C9800 controllers, Management of Nexus routers from the 9000 range C9200 Switches, etc. Fortigate 70F and 600E firewalls Architecture management with multi-domains. security rules in a Windows environment DNS, VLAN, Proxy, SSL VPN, Cisco UCCM and UCCX, WLC, NAC, HSRP, LACP Small network cabling Knowledge of IP telephony and CISCO contact center is a plus. It is imperative to have a good understanding of the network architecture in its entirety, to be proactive in improving its reliability and resilience. first mission will take place from 05/18/2026 until 08/31/2026 and may be renewed quarterly during the year 2026.
Required Skills
Cisco, DNS, Fortigate, Microsoft Windows, Security Expertise, TCP/IP, VPN
Practical Information
- Location: Bruxelles – Hybrid
- Start Date: 7 May 2026
- End Date: 7 July 2026
- Duration: 2 months
- Contract Type: Freelance / Mission
- Application Deadline: 15 May 2026