CareerPlan

Core Network Engineer

LondonFull-time£50k–£55k2026-11-12
Based in United KingdomNo visa sponsorship

Core

Designing, implementing, and maintaining core network infrastructure and services.

Role type

Core Network Engineer

Builds

Core network infrastructure and services

Domain

Telecommunications / Networking

Required skills

TCP/IP, IS-IS, BGP, OSPF, MPLS, MP-BGP, L2 & L3 VPN services, network traffic analysis, Wireshark, TCPDump

Preferred skills

EVPN, VXLAN, Leaf-Spine architectures, BGP Peering, Transit, F5 BIG-IP, Fortigate, DDoS mitigation

Technologies

Nokia 7450, Nokia 7750, F5 BIG-IP, Fortigate

Responsibilities

Document and implement core network infrastructure, troubleshoot and resolve network issues within SLA, act as a senior escalation point for incidents, provide handover to Operations team, participate in on-call rota for 24/7 support

Seniority

Mid-level, hands-on IC