Network Engineer

Salary: £? - ? per year

Requirements:

• Active SC clearance is mandatory.
• Strong Cisco networking experience across enterprise environments.
• Experience deploying and supporting Cisco Wireless and Meraki Wi-Fi.
• Experience administering Cisco ISE.
• Knowledge of LAN/WAN technologies, including routing, switching, and structured cabling.
• Experience with physical installation of networking equipment, racking, and patching.
• Cisco ACI experience.
• Firewall administration experience with Cisco ASA, Palo Alto, and Meraki.
• Knowledge of VPN technologies and network access control.
• Experience with F5 load balancing.
• Experience using SolarWinds for monitoring and diagnostics.
• Experience with Cisco Smart Licensing.
• Excellent fault-finding and network troubleshooting skills.
• Willingness to travel regularly to customer sites across the UK.
• Full UK driving licence.
• Desirable: knowledge of Avaya telephony systems.
• Desirable: experience managing Catapan encryptors and associated security procedures.
• Desirable: relevant Cisco certifications such as CCNA, CCNP, or equivalent.
• Desirable: experience working within ITIL service management environments.

Responsibilities:

• Configure, support, and troubleshoot Cisco enterprise networking environments.
• Deploy and maintain Cisco Wireless and Meraki Wi-Fi solutions.
• Manage and support Cisco ISE for network access control and authentication.
• Carry out wireless site surveys and wireless leakage surveys using Ekahau surveying equipment.
• Support LAN/WAN infrastructure, including switching, routing, patching, and fault diagnosis.
• Manage patch panels, structured cabling, and cabinet documentation.
• Support Cisco ACI environments and undertake hardware maintenance, including battery replacements.
• Configure and manage firewalls including Cisco ASA, Palo Alto, and Meraki, including VPN configuration and access control policies.
• Administer and troubleshoot F5 load balancers.
• Configure, manage, and maintain Catapan encryptors, including keying processes.
• Monitor network performance using SolarWinds.
• Travel to customer sites to remediate faults involving firewalls, routers, switches, and Catapan devices.
• Manage Cisco Smart Licensing.
• Diagnose and resolve complex network incidents while ensuring minimal disruption to business operations.
• Produce accurate technical documentation and maintain asset records.

Technologies:

• Cisco
• Firewall
• Hardware
• Support
• ITIL
• LAN
• Load Balancing
• Network
• Security
• VPN

More:

We are a busy infrastructure and network operations team supporting critical customer environments. This is a hands-on Network Engineer role for an SC Cleared professional, with a strong focus on enterprise networking, wireless technologies, network security, and data centre infrastructure. The role involves travelling to supported sites to resolve incidents and deliver infrastructure upgrades, working across challenging and varied customer environments.

last updated 31 week of 2026