Network Administrator

About the role

The Network Administrator is responsible for the administration, support and maintenance of Centellic's global network infrastructure. The role supports Azure networking, Cisco Meraki, SD‑WAN, office connectivity, WAN/LAN, Wi‑Fi, remote access and network authentication.

Key responsibilities

• Administer and support LAN, WAN, wireless, internet, firewall, VPN and SD‑WAN services.
• Monitor availability, performance and security, responding to alerts and recurring issues.
• Maintain Cisco Meraki firewall, switching, wireless and SD‑WAN configurations.
• Support Azure networking components, including virtual networks, subnets, routing and VPN connectivity.
• Administer corporate and guest Wi‑Fi, 802.1X authentication and related security policies.

Required profile

• Hands‑on experience supporting networks across multi‑site or hybrid‑working environments.
• Practical experience with Cisco Meraki firewalls, switching, wireless or SD‑WAN.
• Experience supporting Azure networking and hybrid connectivity.
• Strong analytical troubleshooting skills and ability to manage incidents and changes.
• Relevant certifications such as CCNA, Cisco Meraki accreditation or Microsoft Azure Administrator Associate.

Required skills

• Cisco Meraki Dashboard, MX security appliances, MS switches, MR access points.
• Azure virtual networks, subnets, routing, VPN gateways and network monitoring.
• 802.1X, Microsoft Entra ID, NPS, RADIUS, certificate‑based authentication.
• LAN/WAN technologies, VLANs, ACLs, IPsec VPN.
• DNS, DHCP, network monitoring, packet capture and configuration backup.

What we offer

• Eye care
• Employee Assistance Programme
• A day off for your birthday