Senior Core Network Engineer experience 8 years

JD for the Core Network Engineer Hours: Initially Monday - Friday 9:00 am to 5:30 pm during training; Post training Friday - Tuesday 1:00 am to 9:30 am BST Overall purpose of the job: The Core Network Infrastructure team are responsible for all aspects of the ever-changing core network infrastructure environment. This team are responsible for carrying out core network projects, predominantly based on high-capacity connectivity, MPLS and Optical Transmission network elements as well as providing advanced support to engineering operations team. The role is based offshore and the working hours are aligned to overlap to a certain extent normal UK working hours for cross-team communications as well as to cover out of hours maintenance windows for network changes that cannot be executed during normal hours. Key responsibilities for this job: • To deliver assigned projects that may involve one or more of the below activities • Network change related planning and remote execution activities • Liaising with internal and external supplier teams as required • Carry out software upgrades IP and Optical network elements during out of hours maintenance windows • Remotely oversee hardware upgrades on IP and Optical network elements • Remotely support changes/upgrades on the Fixed Networks involving PON topologies • To be available for out of hours work as required • Any other fair and reasonable task or duty assigned to you by your manager, or other senior Exponential-e Ltd staff member Knowledge and experience required: • Experience working within a Service Provider environment on the core network architecture • Experience working within a multi-vendor network environment - Cisco and Nokia are relevant • Solid foundational networking principles, with a desire to learn further • Advanced knowledge of routers, switches, network security concepts • Experience and good knowledge of Ethernet, IP/MPLS protocols and operation • Advanced skill in understanding and configuring routing protocol operation - BGP, OSPF, ISIS • Advanced IP Addressing and Subnetting knowledge – IPv4 & IPv6 • Advanced skill in understanding and configuring of switching technologies – Spanning Tree Protocol, VLANs, Dot1q, QinQ. • A good knowledge of other network principles such as DNS, MX Records • Other technologies – VPLS (E-Lan), E-Line, L3 VPN, EVPN, DSL, VRRP • Excellent communication skills Knowledge and experience with the following vendors would be advantageous: • Nokia 7450 & 7750 • F5 BIG-IP • Fortigate

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