Principal Fixed Access & Wholesale Network Engineer

In this role you will deliver expert 3rd line support for Virgin Media O₂’s core network platforms, owning Fixed Access and Wholesale Access technologies. You will work hands-on with leading platforms such as XGS-PON, DOCSIS, EVPN, and NNIs, solving complex challenges at the heart of the network. You’ll be part of a fast-moving, collaborative team that shapes new platforms and upgrades while providing guidance to junior engineers. This opportunity offers impact through operational excellence and exposure to industry‑leading technology in a scalable telco environment.

• Bupa healthcare
• wellbeing support
• life cover
• pension
• generous holiday
• birthday off

• Provide expert 3rd line support for core network platforms and services
• Own and evolve Fixed Access and Wholesale Access technologies
• Collaborate with Data Centre, Core, Corporate and ISP Systems Support teams to deliver end-to-end support
• Shape and upgrade platforms and services to move the network forward
• Lead and mentor junior team members to grow talent within the Data Support function
• Resolve complex incidents and contribute to root-cause analysis and improvement actions
• Ensure monitoring and real-time telemetry are leveraged to identify patterns and optimise performance

• Extensive experience in carrier/enterprise grade network infrastructure (Juniper, Nokia, Cisco, Commscope)
• Understanding of XGS-PON technologies
• Fundamental understanding of ISIS, MPLS, SR MPLS, EVPN, IPv6
• In-depth knowledge of TCP/IP, Routing, Switching and the OSI model
• Process-oriented troubleshooting and problem resolution skills
• Ability to lead and communicate during major incidents
• Familiarity with monitoring and OSS tools and interpreting telemetry, alarms, and trends

• Strong communication skills (written and verbal)
• Ability to adapt to technical and non-technical audiences (up to HoD/Director level)
• Cross-functional collaboration
• XGS-PON
• EVPN
• DOCSIS/CMTS