Ip/Mpls Core Engineer in Farnham Royal

hackajob is collaborating with Virgin Media to connect them with exceptional professionals for this role.

The Internet and Data Services Engineer is responsible for supporting IP/MPLS core networks across WAN, LAN, and mobile backhaul services, including 2G, 3G, 4G, 5G, Voice, IMS technologies. This role plays a key part in ensuring strong network performance, high availability, and an excellent end-to-end customer experience.

The ideal candidate will hold a Cisco CCNP-level qualification and have a minimum of five years' experience working within a core or aggregation network environment in an ISP or service provider setting. The position requires deep technical expertise and hands-on experience with Juniper and Cisco routers and switches, Nokia router platforms, Fortinet firewalls, and F5 technologies.

All managed services must be delivered in alignment with ITIL frameworks and adhere to ISO 9001, ISO 20000, and ISO 27001 standards. The role also requires compliance with industry governance requirements such as N3, PCI, FSA, and IL2/3.

Key responsibilities & accountabilities

• Manage and support the IP/MPLS core, distribution, and access layers of the VMO2 network.
• Operate and maintain Internet Gateway routers, core (P-layer) routers, PE routers, route reflectors, and aggregation-layer routers.
• Support BRAS platforms, switches, firewalls, and F5 load balancers.
• Provide operational support for Juniper, Cisco routers and associated network technologies.
• Deliver 3rd-line support for complex network incidents, driving timely resolution and service restoration.
• Engage with vendors for incident escalation and conduct thorough root cause analysis (RCA).
• Work with service delivery and project teams to support new implementations and provide technical design input.
• Collaborate closely with internal teams such as Design, NOC, Network Management, and Major Incident Management to ensure service availability.
• Review and approve technical documentation, including Methods of Procedure (MoPs), and participate in the change control process.
• Prepare routine operational and technical performance reports.
• Manage the implementation of new network requirements following established change management processes.
• Conduct regular service review meetings with internal and external providers, developing service improvement plans to meet SLAs and KPIs.
• Support out-of-hours maintenance activities to resolve hardware or network issues.
• Participate in the on-call rotation for network fault response and critical incident support.
• Resolving Critical priority incident (CPI) / High Priority incidents within SLA.
• Incident within Helix, Ticket management system. Working on incident and resolving them within SLA.

Essential skills, knowledge, or experience

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