Enterprise Network Engineer

We are seeking an experienced Senior Network Engineer to join a growing network operations team, providing senior-level support across complex enterprise network and security environments. This role is focused on BAU support, troubleshooting, and operational stability, supporting critical customer infrastructure in a home-based capacity.

You will act as a senior escalation point within the team, supporting secure, resilient LAN, WLAN, and network security platforms, while helping to drive service quality and continuous improvement.

What You'll Be Doing

As a senior technical specialist within the network operations function, you'll be responsible for maintaining, supporting, and optimising live enterprise networks and security platforms.

Key responsibilities include:

• Providing 3rd-line support and escalation for complex network and security incidents

• Supporting and maintaining Cisco Security technologies, including:

• ASA, FirePOWER, FTD & FMC

• Cisco ISE (NAC, identity and policy enforcement)

• Cisco Umbrella

• Cisco DNA Center (DNAC)

Supporting enterprise LAN environments (Cisco Catalyst switching)

Supporting and troubleshooting enterprise WLAN environments, including controllers and access points

Diagnosing issues across routing, switching, wireless and security domains

Performing configuration changes, upgrades, patching and routine maintenance

Monitoring network performance, availability and security posture

Creating and maintaining operational documentation, runbooks and knowledge articles

Providing technical guidance and mentorship to junior engineers

• 5+ years' experience supporting enterprise network and security environments
• Strong hands-on experience with Cisco Security platforms (ASA, FirePOWER, FTD, FMC, ISE, Umbrella)
• Strong enterprise networking experience across LAN and routing/switching
• Proven experience supporting enterprise wireless (WLAN) environments
• Experience operating as a senior / 3rd-line engineer
• Excellent troubleshooting and problem-solving skills

Nice to Have:

• Experience supporting SD-WAN environments
• Exposure to network monitoring and management tools
• Cisco certifications (CCNP Enterprise, CCNP Security or equivalent)
• Experience within managed services or enterprise operations teams

What You're Like

• Operationally focused and calm under pressure
• Customer- and service-driven, with a strong uptime mindset
• Clear communicator with strong documentation habits
• Detail-oriented and proactive
• Enjoys mentoring and supporting team development

You'll be joining a collaborative, operations-focused team responsible for mission-critical enterprise networks, working with modern Cisco networking and security technologies. The role offers long-term technical growth, stability, and the flexibility of a fully home-based position.