Network Engineering Specialist with French
Employer · BT Group
Budapest
The L3 Network Engineer / Agent is responsible for providing advanced technical support, troubleshooting, maintenance, and engineering expertise across enterprise and operational network infrastructure. The role covers a broad range of technologies, including IP enterprise networks, data centres, Wi-Fi, transmission systems, firewall and security infrastructure, IP OT networks, WAN routing, SD-WAN, DNS/DHCP, network monitoring, and IP telephony.
Tasks
- Provide Level 3 technical support for complex network incidents, service requests, and problems across enterprise and operational network infrastructure.
- Perform advanced troubleshooting, fault isolation, and root cause analysis across LAN, WAN, Wi-Fi, data centre, transmission, security, and IP OT network environments.
- Support the configuration, administration, maintenance, and troubleshooting of network infrastructure, including routers, switches, firewalls, wireless solutions, and associated network services.
- Manage escalated incidents involving routing and switching protocols, including BGP, EIGRP, OSPF, and MPLS, ensuring timely resolution and minimal service disruption.
- Participate in network changes, upgrades, migrations, configuration updates, and technology lifecycle activities in accordance with established change management procedures.
Requirements
- Proven experience in network engineering, network operations, and advanced technical support at Level 3 or an equivalent senior technical support level.
- Strong knowledge of IP networking, including routing, switching, subnetting, VLANs, and network troubleshooting.
- Hands-on experience with enterprise networks, data centre networking, and Wi-Fi infrastructure.
- Strong understanding of Wide Area Network (WAN) technologies and routing protocols, including BGP, EIGRP, OSPF, and MPLS.
- Knowledge of firewall and network security technologies, including rule troubleshooting, access control, and network segmentation.
- Excellent written and verbal communication skills in both French and English.