Bilingual Network Administrator

About the role

Advensus is looking for an experienced Network Administrator to support, maintain and enhance the network infrastructure of a large-scale contact center operation. The role is critical to keeping voice and data networks highly available, secure and performing well. The position is fully on-site in a high-availability contact center environment, with availability for after-hours support and on-call rotations.

Key responsibilities

• Design, implement, monitor and maintain the enterprise-wide network infrastructure across multiple contact center locations.
• Manage LAN, WAN, MPLS, SD-WAN, VPN and wireless environments to ensure maximum uptime and performance.
• Configure and troubleshoot Layer 2 and Layer 3 networking, including Cisco routing protocols (BGP, OSPF, EIGRP), VLANs, STP, EtherChannel, HSRP, VRRP and QoS.
• Administer Fortinet FortiGate firewalls, security profiles, NAT, ACLs and IPS solutions.
• Support contact center networks for VoIP, SIP trunks and unified communications, optimising voice quality through QoS.
• Monitor network performance, respond to incidents, perform root cause analysis and keep complete network documentation.

Required profile

• Bachelor's degree in Information Technology, Computer Science, Network Engineering or a related field; equivalent experience may be considered.
• 5+ years of enterprise network administration experience.
• 3+ years supporting Cisco networking environments and 3+ years administering Fortinet firewalls.
• Experience supporting large contact center or call center infrastructures with hands-on knowledge of MPLS, VPN, routing, switching and security.
• Full English fluency (written and verbal) and excellent communication and documentation skills.
• Willingness to work fully on-site, with after-hours support and on-call rotations.

Required skills

• Cisco networking (routing protocols, VLANs, QoS)
• Fortinet FortiGate firewall administration
• MPLS, SD-WAN, VPN, routing and switching
• Preferred certifications: Cisco CCNA, CCNP, CCIE, Fortinet NSE/FortiGate, CompTIA Network+, ITIL Foundation