Network Engineer

Location: Brussels, Belgium (Hybrid, 2-3days/week onsite)

Work Regime: Full-time [40 hours/week]

Languages: French & English

Contract duration: 01/01/2026 to 31/12/2026

Job Description:

Client operates in various fields such as:

• Management of IT infrastructures (networks, security, data centers, cloud),
• The development of custom business applications,
• Support for digital projects (functional analysis, UX/UI, project management),
• Cybersecurity and data protection,
• User support and training.
• In a constant effort to innovate, perform, and serve the public, Client regularly collaborates with external partners to strengthen its teams through IT consultancy missions.
• These collaborations are part of an ethical and professional framework focused on the quality and concrete impact of the solutions delivered.
• Client manages, among other things, the network for all its beneficiaries spread across approximately 180 sites.
• Within the Telecom Competence Center, the "network" team ensures the proper physical and logical functioning of the network infrastructure.

Responsibilities:

• The network engineer will be required to integrate into the team and contribute to daily support.
• He will participate in troubleshooting, optimization, improvement, and implementation of Cisco network solutions.
• He will also work on enterprise environments covering routing/switching, WiFi, Catalyst Center, ACI, ISE, etc.

Requirements:

• Routing & Switching: Administration and configuration of Catalyst (VLAN, STP, HSRP, OSPF, BGP)
• Supervision & Troubleshooting: Diagnosis with tools such as Wireshark
• WiFi: Deployment and administration of access points (WLC 9800 controller)
• Cisco
• ACI: Basic management (creation of EPG, Bridge Domains, port configuration, etc.)
• Cisco Catalyst Center: Monitoring, inventory, automation
• ISE: Basic administration of access policies
• MPLS: BGP and VRF routing
• CCNP or CCNA or CCIE certification