Core Network Engineer

Overall Purpose of the role:

Your focus will predominantly be designing and implementing projects pertaining to the Core Network Infrastructure. You will be responsible for documenting the network design as well as providing a handover to your peers so that the solution can be maintained by the Operations team.

You will also be acting as an escalation point for incidents concerning core network infrastructure/services. You will be working closely with team members whilst providing mentoring where required for Core Network Operations engineers, as well as working with other internal teams.

Your responsibilities will be a split between:

Projects

• Document and implement core network infrastructure
• Collaborate with cross-functional teams to deliver projects on time
• Provide a handover to your peers so that the infrastructure can be supported by the Operations team

Operations

• Troubleshoot and resolve network issues within SLA
• Act as a senior escalation point for team members and internal teams for incidents, requests and changes following existing ITIL based processes and procedures.
• Due to the nature of the role you will be expected to fulfil some of your tasks out of hours and participate in the on-call rota for 24/7 support.

Knowledge and experience required:

• Experience working with Service Provider networks

• Good understanding of networking protocols and technologies including:

  • TCP/IP
  • IS-IS, BGP, OSPF
  • MPLS
  • MP-BGP
  • L2 & L3 VPN services

• Good troubleshooting ability including strong knowledge of network traffic analysing tools like Wireshark/TCPDump

• Ability to work independently and as part of a team

Desirable knowledge and experience:

• Layer-2 / EVPN / VXLAN Data Centre networks, Leaf-Spine architectures
• Experience with BGP Peering, Transit
• Knowledge of F5 BIP-IP products, including Local Traffic Manager (LTM) and Global Traffic Manager (GTM), Application Security Manager (ASM)
• DDoS mitigation solutions

Experience with the following vendors would be advantageous

• Nokia 7450 & 7750
• F5 BIG-IP
• Fortigate