Network Support Engineer

Operations Support Engineer – Networks / Wireless Infrastructure (L2/L3)

📍 Location: London (Hybrid – Farringdon base)

💰 Salary: £37,000

🕒 Working Pattern: Monday to Friday

A leading UK connectivity and infrastructure provider is looking for an Operations Support Engineer to join its growing Network Operations team.

The Role

You’ll play a key role in supporting and maintaining large-scale wired and wireless network environments, ensuring strong uptime, fast incident resolution, and excellent service delivery.

This is a hands-on L2/L3 support role covering Private 4G/5G, DAS, Wi-Fi and core networking technologies, working across both remote support and on-site technical activities.

You’ll collaborate closely with engineering teams, offshore support partners, vendors, and customers to keep critical infrastructure operating at peak performance.

Key Responsibilities

• Own and resolve L2/L3 incidents through ITSM platforms, ensuring SLA adherence
• Troubleshoot network faults across wireless, switching, routing, and infrastructure environments
• Carry out remote diagnostics and coordinate on-site maintenance activities
• Support hardware swaps, firmware upgrades, patching, and system changes
• Perform root cause analysis and implement preventative fixes
• Maintain accurate CMDB, network documentation, and operational runbooks
• Improve monitoring, alerting, and incident response processes
• Work with third-party vendors and escalation partners to drive timely resolution
• Support onboarding of new customer sites and operational readiness for deployments
• Provide clear stakeholder communication during incidents and service events

Technology Environment

• Enterprise Networking: Routing, Switching, VLANs, VPNs, QoS
• Wireless: Wi-Fi, Private LTE / 4G / 5G
• DAS / Small Cells / Mobile Infrastructure
• Monitoring: SolarWinds, PRTG, Zabbix, Prometheus
• ITSM / OSS Platforms: ServiceNow, Helix, CMDB tools

What They’re Looking For

• Proven experience in a Network Operations / Technical Support / Service Assurance role
• Strong troubleshooting skills across networking and wireless environments
• Experience managing incidents end-to-end in a live production environment
• Comfortable working with field engineers, offshore NOCs, and external suppliers
• Understanding of ITIL processes and structured service management
• Strong communication skills with technical and non-technical stakeholders
• Able to prioritise multiple issues in a fast-paced operational setting

Why Join?

• Work on some of the UK’s most visible and technically challenging environments
• Exposure to cutting-edge wireless and connectivity technologies
• Strong career growth in a fast-scaling infrastructure business
• Hybrid working with excellent benefits package
• High-impact role supporting critical national connectivity services

Benefits

• 25+ days holiday + bank holidays
• Pension
• Private Medical Insurance
• Life Assurance & Income Protection
• Enhanced family leave policies
• Flexible / Hybrid working
• Gym & wellbeing support
• Cycle to Work scheme
• Recognition programmes and long-service awards