Senior Network Engineer - #3504811
Job Title: Senior Network Engineer (Network & Security Operations)
Location: Home-Based (UK)
Salary: £45,000 + Benefits
The Company
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.
Roles & Responsibilities
As a senior network engineer 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 and 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
Skills & Experience
- 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
Desirable:
- 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
Company Benefits
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.
JOB ID: #3504811