of diagnosing, troubleshooting and resolving all types of cabling, LAN/WAN, routing, WiFi and firewall related faults Good knowledge of networking including Layer2/3, dynamic routing, MPLS, BGP, OSPF, VPN, ANS, certificate management, remote user (VPN/Citrix) and firewall management. Good knowledge of IT security practices. Good knowledge of ServiceNow and LogicMonitor. Certifications – ITIL Foundation, CCNA & CCNP. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
83zero Limited
Automation: Azure, AWS, Python, Ansible What You'll Bring: Strong technical foundation equivalent to CCNP or JNCIP-ENT level Solid experience troubleshooting Layer 2/3 protocols, OSPF and BGP Hands-on experience with at least one enterprise firewall: Palo Alto , Fortigate , or Cisco ASA Proven ability to perform root cause analysis and resolve complex network issues Experience in a More ❯
City of London, London, United Kingdom Hybrid / WFH Options
83zero Limited
work and deliver value. What We're Looking For Experience in the managed IT or telecoms sector. Solid knowledge of network principles (TCP/IP, routing protocols like OSPF & BGP, VRRP). Understanding of security concepts: firewalls, UTM, IPSec, SIEM, etc. Hands-on experience with at least two of the following: Networks, Cloud, Unified Communications, Cyber Security. Strong communication skills More ❯
802.1x/EAP-TLS. Switching - Cisco SDA (Software Defined Access) Catalyst Centre/DNAC- Spine & Leaf topology - VXLAN. Furthermore the candidate will have previous experience in working in routing - BGP, BGP-EVPN. Encryption/VPN - DMVPN, VPN, IPSEC, ISAKMP. Wireless Networking - Cisco (WLC) Wireless Lan Controller/WiFi 6/EWC (Embedded Wireless Controller) It is important that you have More ❯
to enabling the high-performance, low-latency environments required for multi-GPU clusters, distributed training pipelines, and scalable AI workloads. The ideal candidate will bring deep expertise in VXLAN, BGP, EVPN, RoCEv2, and fabric-based networking, along with a solid understanding of the networking demands of large-scale AI and HPC environments. Key Responsibilities: •Design, deploy, and manage VXLAN EVPN … workload mobility. •Optimize network performance for RoCEv2, GPUDirect, and low-latency traffic flows, ensuring maximum throughput and minimal jitter for GPU-accelerated clusters. •Configure underlay and overlay protocols including BGP, OSPF, IS-IS, and troubleshoot connectivity and control-plane issues. •Integrate data center fabric with virtualization platforms such as VMware NSX, KVM, and Hyper-V, as well as Kubernetes-based … experience designing and operating VXLAN EVPN-based data center networks. •Strong knowledge of Cisco ACI, Nexus 9000, or Arista EOS platforms. •Expertise in data center routing and switching, including BGP, OSPF, IS-IS, multicast, and fabric path. •Deep understanding of AI-specific networking needs, including RoCEv2, DCB, PFC, and RDMA optimization. •Hands-on experience with automation and orchestration tools such More ❯
london (city of london), south east england, united kingdom
HCLTech
to enabling the high-performance, low-latency environments required for multi-GPU clusters, distributed training pipelines, and scalable AI workloads. The ideal candidate will bring deep expertise in VXLAN, BGP, EVPN, RoCEv2, and fabric-based networking, along with a solid understanding of the networking demands of large-scale AI and HPC environments. Key Responsibilities: •Design, deploy, and manage VXLAN EVPN … workload mobility. •Optimize network performance for RoCEv2, GPUDirect, and low-latency traffic flows, ensuring maximum throughput and minimal jitter for GPU-accelerated clusters. •Configure underlay and overlay protocols including BGP, OSPF, IS-IS, and troubleshoot connectivity and control-plane issues. •Integrate data center fabric with virtualization platforms such as VMware NSX, KVM, and Hyper-V, as well as Kubernetes-based … experience designing and operating VXLAN EVPN-based data center networks. •Strong knowledge of Cisco ACI, Nexus 9000, or Arista EOS platforms. •Expertise in data center routing and switching, including BGP, OSPF, IS-IS, multicast, and fabric path. •Deep understanding of AI-specific networking needs, including RoCEv2, DCB, PFC, and RDMA optimization. •Hands-on experience with automation and orchestration tools such More ❯
