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