Brighton, England, United Kingdom Hybrid / WFH Options
Anson McCade
network infrastructure across multiple global sites. Manage multicast routing for market data distribution across complex environments involving multiple VRFs and VLANs. Configure and maintain Aruba (Access/Distribution) and Arista (Core/Low-Latency) switches. Support BGP peering, route filtering, and optimisation for ultra-low-latency trading environments. Operate and maintain Palo Alto firewalls, GlobalProtect VPNs, and ZScaler security … Required Skills & Experience Deep hands-on experience with multicast routing in high-throughput environments. Strong knowledge of BGP , enterprise routing, and switching best practices. Proficiency in managing Aruba and Arista switch infrastructure . Prior experience supporting low-latency trading networks or other performance-sensitive environments. Expertise in configuring and maintaining Palo Alto Networks firewalls and GlobalProtect VPN . Familiarity … network infrastructure across multiple global sites. Manage multicast routing for market data distribution across complex environments involving multiple VRFs and VLANs. Configure and maintain Aruba (Access/Distribution) and Arista (Core/Low-Latency) switches. Support BGP peering, route filtering, and optimisation for ultra-low-latency trading environments. Operate and maintain Palo Alto firewalls, GlobalProtect VPNs, and ZScaler security More ❯
London, England, United Kingdom Hybrid / WFH Options
Vertex I.T. Solutions Ltd
Role: Senior Network Engineer - Permanent *Essential experience with Arista Switches & Firepower & Palo Alto.* Reports to: Head of Infrastructure Location: West London - Candidates must be located within 60-75 minutes commute to West London Description Location: This role is based in their office located in West London (potentially some hybrid working following successful induction/probation). Our client is … a key role in maintaining and enhancing their global network infrastructure. You will ensure network stability, security, and efficiency across operations while driving improvements and innovation. *Essential experience with Arista Switches & Firepower & Palo Alto.* Key Responsibilities Network Design & Implementation: Contribute to the development and execution of the company's global networking roadmap. Network Monitoring & Troubleshooting: Maintain, monitor, and resolve … alerts, vulnerabilities, and threats. Supplier & Vendor Management: Manage relationships with network service providers, ensuring optimal WAN, LAN, and hardware performance. Configuration & Optimization: Create and modify configurations on Cisco/Arista Switches, Routers, and Firewalls (Firepower & Palo Alto). Threat Analysis & Mitigation: Use threat intelligence services and security tools to identify and address vulnerabilities. Automation & Scripting: Implement network automation using More ❯
connectivity advancement Manage network expansion, upgrades and support Provide expert support to high frequency trading teams What exposure you'll ideally have: LAN/WAN, Data Centres Cisco, Juniper, Arista BGP, OSPF, multicast, TCP/UDP Automation and Python scripting, Ansible Linux operating systems Financial/Trading environment Cisco CCIE or CCNP level equivalent experience in a trading environment More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hunter Bond
connectivity advancement Manage network expansion, upgrades and support Provide expert support to high frequency trading teams What exposure you'll ideally have: LAN/WAN, Data Centres Cisco, Juniper, Arista BGP, OSPF, multicast, TCP/UDP Automation and Python scripting, Ansible Linux operating systems Financial/Trading environment Cisco CCIE or CCNP level equivalent experience in a trading environment More ❯
Belfast, Northern Ireland, United Kingdom Hybrid / WFH Options
CME Group Inc
initiatives What we are looking for ... Required: Proficiency in configuring and managing diverse network platforms Strong understanding and evidence of implementing effective network security Technical experience: Cisco/Arista/Juniper routing and switching Technical experience: BGP/OSPF/PIM/IGMP protocols Technical experience: enterprise firewalls Technical experience: supporting cloud implementation/migration Technical experience: provisioning More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Ncounter Technology Recruitment
What We’re Looking For 7+ years’ network engineering experience in enterprise or financial environments. Deep understanding of BGP, OSPF, EVPN, VLAN/VxLAN, MLAG, STP. Hands-on with Arista/Cisco; strong troubleshooting tools (Wireshark, netcat, etc.). Familiar with network security, automation (Python, Ansible), and observability stacks (Prometheus, Grafana). Excellent communicator with experience delivering in high More ❯
What We’re Looking For 7+ years’ network engineering experience in enterprise or financial environments. Deep understanding of BGP, OSPF, EVPN, VLAN/VxLAN, MLAG, STP. Hands-on with Arista/Cisco; strong troubleshooting tools (Wireshark, netcat, etc.). Familiar with network security, automation (Python, Ansible), and observability stacks (Prometheus, Grafana). Excellent communicator with experience delivering in high More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Ncounter
What We’re Looking For 7+ years’ network engineering experience in enterprise or financial environments. Deep understanding of BGP, OSPF, EVPN, VLAN/VxLAN, MLAG, STP. Hands-on with Arista/Cisco; strong troubleshooting tools (Wireshark, netcat, etc.). Familiar with network security, automation (Python, Ansible), and observability stacks (Prometheus, Grafana). Excellent communicator with experience delivering in high More ❯
Employment Type: Full-Time
Salary: £140,000 - £160,000 per annum, Negotiable, OTE
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
What We’re Looking For 7+ years’ network engineering experience in enterprise or financial environments. Deep understanding of BGP, OSPF, EVPN, VLAN/VxLAN, MLAG, STP. Hands-on with Arista/Cisco; strong troubleshooting tools (Wireshark, netcat, etc.). Familiar with network security, automation (Python, Ansible), and observability stacks (Prometheus, Grafana). Excellent communicator with experience delivering in high More ❯
London, England, United Kingdom Hybrid / WFH Options
IG Group Holdings plc
Ensure compliance with security policies and industry regulations. Mentor NetOps engineers and provide technical guidance. What you'll need for this role Proven experience and strong technical knowledge of Arista and Cisco are required. Strong Experience in LAN & WAN software protocols; IP routing protocols OSPF & BGP; Experience with large networks in a trading/financial institution or ISP environment. More ❯
London, England, United Kingdom Hybrid / WFH Options
NineTech
network infrastructure across multiple global sites. Manage multicast routing for market data distribution across complex environments involving multiple VRFs and VLANs. Configure and maintain Aruba (Access/Distribution) and Arista (Core/Low-Latency) switches. Support BGP peering, route filtering, and optimisation for ultra-low-latency trading environments. Operate and maintain Palo Alto firewalls, GlobalProtect VPNs, and ZScaler security … Required Skills & Experience Deep hands-on experience with multicast routing in high-throughput environments. Strong knowledge of BGP , enterprise routing, and switching best practices. Proficiency in managing Aruba and Arista switch infrastructure . Prior experience supporting low-latency trading networks or other performance-sensitive environments. Expertise in configuring and maintaining Palo Alto Networks firewalls and GlobalProtect VPN . Familiarity More ❯
Linux networking stack and its interaction with network virtualization, SR-IOV and DPDK Understanding of the SDN ecosystem (e.g. OVS, Neutron, VMware NSX, Cisco ACI or Nexus Fabric Controller, Arista CVP) Have experience with Spine and Leaf (Clos) network topology Have experience and understanding of BGP EVPN VXLAN networks Experience with building and maintaining multi-data center networks, SD More ❯
City of London, London, United Kingdom Hybrid / WFH Options
NineTech
network infrastructure across multiple global sites. Manage multicast routing for market data distribution across complex environments involving multiple VRFs and VLANs. Configure and maintain Aruba (Access/Distribution) and Arista (Core/Low-Latency) switches. Support BGP peering, route filtering, and optimisation for ultra-low-latency trading environments. Operate and maintain Palo Alto firewalls, GlobalProtect VPNs, and ZScaler security … Required Skills & Experience Deep hands-on experience with multicast routing in high-throughput environments. Strong knowledge of BGP , enterprise routing, and switching best practices. Proficiency in managing Aruba and Arista switch infrastructure . Prior experience supporting low-latency trading networks or other performance-sensitive environments. Expertise in configuring and maintaining Palo Alto Networks firewalls and GlobalProtect VPN . Familiarity More ❯
network infrastructure across multiple global sites. Manage multicast routing for market data distribution across complex environments involving multiple VRFs and VLANs. Configure and maintain Aruba (Access/Distribution) and Arista (Core/Low-Latency) switches. Support BGP peering, route filtering, and optimisation for ultra-low-latency trading environments. Operate and maintain Palo Alto firewalls, GlobalProtect VPNs, and ZScaler security … Required Skills & Experience Deep hands-on experience with multicast routing in high-throughput environments. Strong knowledge of BGP , enterprise routing, and switching best practices. Proficiency in managing Aruba and Arista switch infrastructure . Prior experience supporting low-latency trading networks or other performance-sensitive environments. Expertise in configuring and maintaining Palo Alto Networks firewalls and GlobalProtect VPN . Familiarity More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
that balance business, security, availability and resiliency requirements. Experience with market brokers & direct market connectivity. Implementing of designs into the production environment under Change Control. A sound knowledge of Arista architectures and operating systems with hands on design and configuration experience. Confident knowledge and exposure of core routing protocols, OSPF and BGP, and IP transmission modes, Unicast and Mulitcast. More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
that balance business, security, availability and resiliency requirements. Experience with market brokers & direct market connectivity. Implementing of designs into the production environment under Change Control. A sound knowledge of Arista architectures and operating systems with hands on design and configuration experience. Confident knowledge and exposure of core routing protocols, OSPF and BGP, and IP transmission modes, Unicast and Mulitcast. More ❯
network infrastructure encompassing both large-scale data center fabrics and a geographically distributed backbone network. Their data centers utilize a state-of-the-art architecture, primarily leveraging NVIDIA and Arista switching hardware. This environment demands expertise in modern data center networking principles, including advanced routing protocols, network segmentation, and high-availability designs. We are heavily invested in InfiniBand technology … in at least two of the following three domains: Data Center Networking: Extensive experience with large-scale data center fabrics, including design, implementation, and troubleshooting. Familiarity with NVIDIA and Arista switching platforms is highly desirable. A deep understanding of data center routing protocols and network virtualization technologies is essential. Backbone/External Routing: Expertise in BGP, MPLS, and other More ❯
London, England, United Kingdom Hybrid / WFH Options
ZipRecruiter
expertise in system administration within an enterprise network production environment Strong skills with network protocols, standards and policies Strong skills with at least 2 of these vendors: Aruba, Juniper, Arista, Cisco and Palo Alto Understanding of load balancing, remote access, DNS, DHCP and IPAM platforms Process oriented engineer with strong execution and follow-through skills Able to prioritize multiple More ❯
London, England, United Kingdom Hybrid / WFH Options
Global Relay
Proven ability to self-manage and balance assigned work meeting deliverables as scheduled. Solid knowledge and experience in deploying and managing Linux. Experience in network configuration of Aruba, HPE, Arista, or Cisco would be considered an asset. Experience in VOIP and UC technologies such as Cisco UC. Experience with Aruba wireless systems and ClearPass. Experience in automation and scripting. More ❯
problem-solving skills and eagerness to learn Excellent communication and team collaboration abilities Nice to Have: Experience working in or with financial services environments Familiarity with Cisco, Juniper, or Arista networking equipment Understanding of CI/CD workflows and infrastructure-as-code practices Knowledge of APIs, YAML, or JSON Benefits: Be part of a highly technical and collaborative team More ❯