WAN/LAN Implementation Engineer - London/Hybrid

We're looking for an experienced WAN/LAN Expert (SME) to manage obsolete hardware replacements for a global technology company in London. You'll be upgrading/patching code, firmware, bootstrap programs, software and security patches, working across a range of network physical and virtual appliances. You'll need extensive experience of Cisco ACI, NDO, Nexus technologies, DC LAN technologies and WAN (BGP, L2 & L3 extension networks, MPLS-VPNs, Multicasting & QOS).

Key Skills:

• Experience with Cisco ACI, NDO, Arista CloudVision, IOS-XE, IOS-XR, NXOS, EOS, JUNOS Devices
  • Upgrading/managing code, image, firmware, bootstrap programs, software, security patches
  • SD Controllers deployed in on-premises, third-party data centers.
• Experience replacing obsolete hardware/virtual appliances including planning, pre-upgrade checks, backup strategies, compatibility review and validation, testing procedures, rollback plans
• ACI fabric code upgrades (multi-pod & multi-site environments)
  • Validate the fabric policies, tenant configurations, and seamless operations post-upgrade.
• Device replacements, code upgrades for Routers
  • OSPF/IS-IS, BGP, MPLS VPNs, QOS, Multicasting, VPWS, Layer 2/Layer 3 connectivity.
• Code upgrades and hardware replacements for
  • Cisco Nexus and Catalyst Switches
  • Validate DC LAN features; VXLAN EVPN, vPC, FEX, QOS
• End-to-end testing; Traffic forwarding, policy enforcement, redundancy
• Troubleshoot and resolve issues related to configuration compatibility or protocol mismatches.
• Post upgrade monitoring
• Documentation and compliance

Good to Have: Knowledge on ansible/python (For automation and troubleshooting), cloud-native networking services and tools (AWS, AZURE)

We're looking for an experienced WAN/LAN Expert (SME) to manage obsolete hardware replacements for a global technology company in London. You'll be upgrading/patching code, firmware, bootstrap programs, software and security patches, working across a range of network physical and virtual appliances. You'll need extensive experience of Cisco ACI, NDO, Nexus technologies, DC LAN technologies and WAN (BGP, L2 & L3 extension networks, MPLS-VPNs, Multicasting & QOS).

Key Skills:

• Experience with Cisco ACI, NDO, Arista CloudVision, IOS-XE, IOS-XR, NXOS, EOS, JUNOS Devices
  • Upgrading/managing code, image, firmware, bootstrap programs, software, security patches
  • SD Controllers deployed in on-premises, third-party data centers.
• Experience replacing obsolete hardware/virtual appliances including planning, pre-upgrade checks, backup strategies, compatibility review and validation, testing procedures, rollback plans
• ACI fabric code upgrades (multi-pod & multi-site environments)
  • Validate the fabric policies, tenant configurations, and seamless operations post-upgrade.
• Device replacements, code upgrades for Routers
  • OSPF/IS-IS, BGP, MPLS VPNs, QOS, Multicasting, VPWS, Layer 2/Layer 3 connectivity.
• Code upgrades and hardware replacements for
  • Cisco Nexus and Catalyst Switches
  • Validate DC LAN features; VXLAN EVPN, vPC, FEX, QOS
• End-to-end testing; Traffic forwarding, policy enforcement, redundancy
• Troubleshoot and resolve issues related to configuration compatibility or protocol mismatches.
• Post upgrade monitoring
• Documentation and compliance

Good to Have: Knowledge on ansible/python (For automation and troubleshooting), cloud-native networking services and tools (AWS, AZURE)