Network Engineer - London

Salary: £46,000 - 83,000 per year

Requirements:

• Experienced engineer with at least CCNP level certification or above
• Strong experience as a Level 3 Network Engineer
• Vendor experience with Cisco and Meraki products
• Experience in configuration and troubleshooting of Cisco FTD, Cisco FMC, Cisco Switches, and Nexus 5k/9k switches
• Experience in configuration and troubleshooting of Meraki products, including MX, MS, MR, and SD-WAN
• Administration of Cisco Catalyst switches, Cisco ISR routers, and Cisco DNA Center
• CUCM/Cisco Voice experience
• In-depth experience working with Cisco ISE (Identity Services Engine)
• Fundamental multicast problem-solving skills
• Good understanding and troubleshooting skills of Azure cloud-based networks
• Network automation experience, including writing and executing scripts in Python
• Configuration and troubleshooting of Cisco AnyConnect remote access VPN
• Ideally some Linux experience
• Knowledge and application of ITIL processes

Responsibilities:

• Join our Infrastructure team to deliver exceptional 3rd Line Support to our global infrastructure network
• Deliver various network projects within tight timeframes
• Lead or contribute to the technical delivery of network projects, including design, configuration, and installation of office moves and expansion, replacement of existing vendors, and managing datacentre networks
• Create and maintain project-related documentation so accurate information is available to team members and other teams
• Conduct workshops at regular intervals to share knowledge with others
• Create and maintain site documentation and technical documentation
• Develop knowledge in a specific technology area to become a trusted SME
• Proactively monitor IT systems and take preventative measures to reduce system downtime
• Write post-incident review documents and suggest or implement recommendation plans to reduce or prevent further incidents
• Test business applications, network, and server performance, provide performance statistics and reports, and develop strategies for maintaining and improving core infrastructure
• Adhere to all IT security policies and assist in enforcing and monitoring IT security policies
• Identify potential vulnerabilities and suggest resolutions
• Evaluate, design, and maintain infrastructure systems, including LANs, WANs, Internet, intranet, security, and incident and change management systems
• Understand business requirements and suggest appropriate technologies to help deliver business goals
• Participate in an on-call rota and regular weekend network maintenance

Technologies:

• Azure
• Cloud
• Cisco
• Support
• ITIL
• Linux
• Network
• Nexus
• Python
• Security
• VPN

More:

We are a Global FTSE business based in the City of London, offering a permanent opportunity within our highly skilled Infrastructure team. The role is based in London with a salary of 80000 - 85000 per annum. We focus on delivering strong network support and project execution across our global infrastructure environment.

last updated 35 week of 2026