Internet and Data Services Engineer

Salary: £14,500 - 34,500 per year

Requirements:

• Strong knowledge of IP/MPLS, routing protocols (BGP, OSPF, IS-IS), MPBGP, MPLS LDP, VRF, QoS, and large-scale service provider networks.
• Ability to troubleshoot complex networking issues at a senior/3rd-line level.
• Experience with Juniper and Cisco routing platforms and BRAS/BNG systems.
• Knowledge and exposure to 4G/5G infrastructure and building blocks.
• Automation/script experience using Python, Ansible, or equivalent for operational efficiency.
• Excellent communication, analysis, and stakeholder-management skills.
• Familiarity with F5 load balancers, firewalls, and core network infrastructure.

Responsibilities:

• Design, support, and optimise high-performance IP/MPLS core networks across WAN, LAN, and mobile backhaul services.
• Maintain network resilience, availability, and performance in a complex, always-on environment.
• Work within established ITIL frameworks to help deliver managed services.
• Ensure services meet quality and security standards including ISO 9001, ISO 20000, and ISO 27001.
• Operate in line with industry governance requirements such as N3, PCI, FSA, and IL2/3.
• Use advanced routing, switching, and security technologies in day-to-day work.
• Work with Juniper and Cisco platforms, Nokia routers, Fortinet firewalls, and F5 solutions.

Technologies:

• Ansible
• Cisco
• Support
• ITIL
• LAN
• MPLS
• Mobile
• Network
• Python
• Security

More:

We are Virgin Media O2, bringing together the UKs fastest broadband network and one of the nations best-loved mobile brands. We put our customers first and are building a more connected future for everyone. This Internet and Data Services Engineer role sits within our technicians and engineers team, supporting a large-scale, mission-critical network environment that underpins connectivity for millions of customers. We offer a flexible-first way of working and ask colleagues to spend at least eight days each month connecting in person for meaningful collaboration. We are an equal opportunities employer committed to accessibility, inclusion, and equity, and we provide a bumper reward package with a range of benefits and extras to support you and your loved ones.

last updated 36 week of 2026