Network Architect

Role overview

Administer enterprise network infrastructure and connectivity services, ensuring secure, resilient, compliant, and high-performing network operations across LAN, WAN, WLAN, VPN, NAC, and network security components.

Key responsibilities

• Operate and support enterprise LAN, WAN, WLAN, VPN, internet connectivity, and network service infrastructure.
• Configure, administer, and troubleshoot Cisco routing, switching, wireless, and network access control environments.
• Manage Cisco ISE, 802.1X authentication, NAC policies, device onboarding, certificate-based access, MAB, and TACACS+ services.
• Administer DNS, DHCP, IP Address Management (IPAM), NTP, and core network services.
• Support network security technologies including firewalls, VPN gateways, web security appliances, and network segmentation.
• Monitor network availability, latency, capacity, utilisation, performance, and service health using enterprise monitoring platforms.
• Execute network configuration changes, standard service requests, firmware upgrades, patching, and lifecycle activities through approved change processes.
• Troubleshoot routing, switching, wireless, authentication, firewall, VPN, and performance-related incidents across enterprise environments.
• Support implementation and operation of Cisco DNA Center, network automation, software-defined networking, and infrastructure management platforms where applicable.
• Collaborate with security, server, cloud, and endpoint teams to ensure integrated service delivery and incident resolution.
• Automate operational tasks using scripting and network automation tools where authorised.
• Maintain network diagrams, SOPs, knowledge articles, operational runbooks, audit evidence, and configuration standards.
• Handle incidents, requests, changes, problem records, compliance activities, and documentation through ITSM platforms.

Core skills and platforms

• Cisco Routing and Switching
• LAN, WAN, WLAN and VPN Technologies
• Cisco ISE, 802.1X and NAC
• Cisco DNA Center
• DNS, DHCP, IPAM and Core Network Services
• Firewall and Network Security Technologies
• Network Monitoring and Performance Management
• ServiceNow ITSM and ITIL Processes
• PowerShell, Python or Network Automation Tools

Preferred certifications

• Cisco CCNA Enterprise
• Cisco CCNP Enterprise (preferred)
• Cisco Certified Specialist - Enterprise Network Infrastructure
• ITIL Foundation
• Network Security Certification (preferred)

Delivery expectations

• Strong ownership of network operational stability and service availability.
• Analytical troubleshooting skills across complex enterprise network environments.
• Ability to work within incident, change, security, audit, and compliance frameworks.
• Effective stakeholder communication, documentation discipline, and operational reporting capability.
• Participation in agreed support coverage, transition activities, knowledge transfer, automation initiatives, and continual service improvement programmes.