will need skills in: CCNP-level qualified or equivalent real-world expertise. Strong routing knowledge - especially BGP. Hands-on with Cisco IOS-XR, Cisco NX-OS, and/or Arista EOS. Proven experience deploying networks in low latency Proven experience in financial trading environments. Solid knowledge of WAN technologies, optical networking, and fibre waves. Proficient in network automation (Ansible More ❯
network infrastructure including routers, switches, firewalls, and load balancers across various platforms. • Familiar with circuit ordering and DWDM deployments • Familiar with Nexus 7k/Cisco 6500 environments and (possibly arista but not essential) • Ability to document and map in detail all connectivity on site to be used to identify business areas/stakeholders and used as a basis to More ❯
motivated and able to work autonomously. Understanding of Routing and Switching protocols such as TCP/IP, BGP, DNS, DHCP, VRRP. Experience supporting multi-vendor routing/switching environments (Arista, Juniper, Cisco, Palo Alto, Fortinet). Knowledge of Firewall operations, configuration, and management, primarily Palo Alto and Fortigate. Experience working in large Data Centre environments, with hands-on hardware More ❯
Take ownership of network improvement projects from design through to deployment Collaborate closely with cross-functional teams to ensure security, resilience, and efficiency Requirements: Proven experience with Cisco and Arista networking environments Proficiency with Fortinet or Palo Alto firewall technologies Expert-level knowledge of BGP, OSPF, and Multicast routing protocols Solid understanding of Linux-based systems A strong drive 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 ❯
Technical Expertise : Expert in low-latency network technologies, including Multicast (IGMP, PIM), L2/L3, and WAN design. Expert in routing protocols such as BGP and OSPF. Experience with Arista, Cisco, including Layer 1 switches. Knowledge of FPGA and high-performance computing technologies is a plus. Strong understanding of time synchronization protocols, including Precision Time Protocol (PTP, WR) and More ❯
Expert-level knowledge of WiFi infrastructure including knowledge of RF concepts, predictive design, wireless standards, troubleshooting etc. We work with firewalls, switches and WiFi APs from major vendors including Arista, Cisco & Cisco Meraki, HP Aruba, Juniper, Mikrotik, Ruckus and Unifi. Responsibilities Assist in developing project specifications and proposals and responding to RFPs. You should be able to produce high More ❯
application teams Ensure stable operations and lead troubleshooting in production environments ️ What you'll bring : Proven experience in low-latency, high-availability trading environments Strong hands-on knowledge of Arista network equipment and architecture Proficiency in network automation , especially using Ansible Deep knowledge of routing protocols (OSPF, BGP) and IP transmission (Unicast/Multicast) Experience working with market brokers More ❯
network systems/architectures at a detailed level with knowledge of fundamental configuration, troubleshooting, and monitoring. Excellent knowledge of low-latency network products. Experience with networking vendors such as Arista, Cisco, Palo Alto, etc. and DHCP/DNS products like Infoblox. Exposure to cloud networking configurations and tools - AWS, Azure, GCP. An understanding of Market Data and/or More ❯
of detail and quality offered by CACI. Required skills Strong level of Cisco Routing & Switching CCNP/CCIE certification or to that technical level Check Point CCSA/CCSE Arista Market data experience This role is suitable for a Cisco certified Network Engineer who has at least 5-6 years of working as a senior project engineer in a 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 ❯
handsworth, yorkshire and the humber, united kingdom Hybrid / WFH Options
WWT EMEA UK LIMITED
Manage vendors across the project delivery and technical matters. Rich experience as a data network and security specialist in a large enterprise network. Strong Technical knowledge in networking (Cisco, Arista, and Others) with an emphasis on software-defined networks (SDN) such as Cisco ACI and leveraging spine & leaf designs. Proficient hands-on experience networking background (Subnetting, Switching, Routing, VLANs More ❯
Proven experience working in low-latency trading, HPC, or colocation data centres Strong understanding of networking concepts (Layer 1-3), switching technologies, and hands-on experience with vendors like Arista, Cisco, or Juniper Ability to log in to switches, perform basic configurations, diagnostics, and packet-level troubleshooting Familiarity with server hardware components such as NICs, SSDs, GPUs, FPGAs, and More ❯
environments. Key Responsibilities: •Design, deploy, and manage VXLAN EVPN-based fabric networks supporting AI and high-performance computing workloads. •Build scalable spine-leaf architectures using Cisco Nexus 9000 or Arista switches, ensuring efficient Layer 2/Layer 3 segmentation and workload mobility. •Optimize network performance for RoCEv2, GPUDirect, and low-latency traffic flows, ensuring maximum throughput and minimal jitter … AI workloads and future-proof infrastructure designs. Required Skills & Expertise: •Proven 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 … environments. Preferred Qualifications & Certifications: •CCNP or CCIE Data Center (highly preferred) •Cisco Certified Specialist – Enterprise Core or Data Center Core •Additional certifications in NVIDIA Networking (Cumulus/Spectrum) or Arista ACE are a plus •Experience with hybrid and multi-cloud networking for AI clusters is desirable More ❯
environments. Key Responsibilities: •Design, deploy, and manage VXLAN EVPN-based fabric networks supporting AI and high-performance computing workloads. •Build scalable spine-leaf architectures using Cisco Nexus 9000 or Arista switches, ensuring efficient Layer 2/Layer 3 segmentation and workload mobility. •Optimize network performance for RoCEv2, GPUDirect, and low-latency traffic flows, ensuring maximum throughput and minimal jitter … AI workloads and future-proof infrastructure designs. Required Skills & Expertise: •Proven 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 … environments. Preferred Qualifications & Certifications: •CCNP or CCIE Data Center (highly preferred) •Cisco Certified Specialist – Enterprise Core or Data Center Core •Additional certifications in NVIDIA Networking (Cumulus/Spectrum) or Arista ACE are a plus •Experience with hybrid and multi-cloud networking for AI clusters is desirable More ❯
environments. Key Responsibilities: •Design, deploy, and manage VXLAN EVPN-based fabric networks supporting AI and high-performance computing workloads. •Build scalable spine-leaf architectures using Cisco Nexus 9000 or Arista switches, ensuring efficient Layer 2/Layer 3 segmentation and workload mobility. •Optimize network performance for RoCEv2, GPUDirect, and low-latency traffic flows, ensuring maximum throughput and minimal jitter … AI workloads and future-proof infrastructure designs. Required Skills & Expertise: •Proven 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 … environments. Preferred Qualifications & Certifications: •CCNP or CCIE Data Center (highly preferred) •Cisco Certified Specialist – Enterprise Core or Data Center Core •Additional certifications in NVIDIA Networking (Cumulus/Spectrum) or Arista ACE are a plus •Experience with hybrid and multi-cloud networking for AI clusters is desirable More ❯
london (city of london), south east england, united kingdom
HCLTech
environments. Key Responsibilities: •Design, deploy, and manage VXLAN EVPN-based fabric networks supporting AI and high-performance computing workloads. •Build scalable spine-leaf architectures using Cisco Nexus 9000 or Arista switches, ensuring efficient Layer 2/Layer 3 segmentation and workload mobility. •Optimize network performance for RoCEv2, GPUDirect, and low-latency traffic flows, ensuring maximum throughput and minimal jitter … AI workloads and future-proof infrastructure designs. Required Skills & Expertise: •Proven 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 … environments. Preferred Qualifications & Certifications: •CCNP or CCIE Data Center (highly preferred) •Cisco Certified Specialist – Enterprise Core or Data Center Core •Additional certifications in NVIDIA Networking (Cumulus/Spectrum) or Arista ACE are a plus •Experience with hybrid and multi-cloud networking for AI clusters is desirable More ❯
environments. Key Responsibilities: •Design, deploy, and manage VXLAN EVPN-based fabric networks supporting AI and high-performance computing workloads. •Build scalable spine-leaf architectures using Cisco Nexus 9000 or Arista switches, ensuring efficient Layer 2/Layer 3 segmentation and workload mobility. •Optimize network performance for RoCEv2, GPUDirect, and low-latency traffic flows, ensuring maximum throughput and minimal jitter … AI workloads and future-proof infrastructure designs. Required Skills & Expertise: •Proven 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 … environments. Preferred Qualifications & Certifications: •CCNP or CCIE Data Center (highly preferred) •Cisco Certified Specialist – Enterprise Core or Data Center Core •Additional certifications in NVIDIA Networking (Cumulus/Spectrum) or Arista ACE are a plus •Experience with hybrid and multi-cloud networking for AI clusters is desirable More ❯
you to have experience in some of the following: Data Centre technologies such as underlay/overlay networks and non-blocking network designs. Proven experience working with some of: Arista, Extreme Networks, Fortigate, Paloalto Networks. Troubleshooting and monitoring multiple vendors in an enterprise environment. Linux experience and scripting in a Linux environment. Fibre optics and troubleshooting fibre infrastructure within More ❯
and mentoring pre-sales engineers within a value-added reseller (VAR) or systems integrator environment Technical Breadth: Expertise in enterprise IT infrastructure including Cisco (SD-WAN, SASE), HPE, Dell, Arista, VMware, and hybrid cloud solutions Commercial Acumen: Able to align technology with business goals and support go-to-market initiatives Delivery Expertise: Background in professional services scoping, IT transformation More ❯
operations through automation, enhancing reliability, and accelerating deployment. You'll diagnose complex WAN issues, automate deployments, and manage next-gen data centre environments built on VXLAN-EVPN fabrics (Cisco & Arista), all while collaborating in an agile, highly technical environment. Work at the cutting edge of finance and networking perfect for engineers eager to push boundaries and build automated, scalable … concepts and looking to apply them in a high-stakes environment Confident with large-scale WAN troubleshooting and datacentre infrastructure Tech You'll Be Working With: VXLAN-EVPN (Cisco & Arista) Nexus Dashboard Fabric Controller (NDFC) BGP, Git, Python, YAML Jira, network automation frameworks, and scripting toolkits Schedule: 4 days onsite in West London Environment: Highly technical, automation-led, and More ❯
Network Engineer - Low Latency, Arista, Corvil Our client is seeking a Network Operations Engineer with experience in Low Latency Networking such as Arista 7130, MetaMux, MetaWatch, and MultiAccess to join their team. Experience with Corvil is also required to be considered for this role. Key Responsibilities: Providing Support & Engineering within low latency networking environment using Arista … Liaise with vendors to resolve complex network problems Maintain and monitor Corvil Appliances and Cisco 3548 Platform Requirements: Cisco CCNP or CCIE certification Corvil CCA or Corvil CCE Certified Arista ACE Level 1-3 certification BSc in Computing with a focus on networking or MSc in Networking Experience with PTP/PPS platforms (Meinberg, FSMLabs, ADVA/Oscilloscope) Proficiency More ❯
the network from scratch. You'll be responsible for: Designing and delivering cloud-based and on-prem network and security solutions Working with Palo Alto Networks (essential), Cisco, or Arista Supporting a multi-cloud (AWS & Azure) and on-prem data center environment Collaborating with the Senior Technology stake-holders to define and implement best practices Helping build low-latency … Skills & Requirement: A motivated, hands-on engineer excited to take ownership of networking in a startup-style environment Strong Palo Alto Networks experience (must-have) Experience with Cisco or Arista networking in a campus or data center environment Open to experience with other network vendors Comfortable working in a finance environment (finance experience is helpful but not essential) Must More ❯
monitoring, and check-out procedures. Perform continuous, expert-level monitoring and proactive management across network, video, and system domains, including: Network: Monitor the Cingularity core network (NetInsight Nimbra DTM & Arista IP) and edge devices using systems like Nimbra Vision and Zabbix. Configure, monitor, and troubleshoot IP transport streams (IP RTP, ST 2022-7, SRT) and network routing/switching … Arista, OSPF, BGP). Video: Monitor client video quality using Multiviewers and probes (TAG MCM/MCS, Bridgetech VB330). Manage configuration, operation, and troubleshooting of core video encoders (Mediakind, Appear, NetInsight MSR). Systems: Monitor server and OS health (Linux, Windows) via Zabbix and Grafana. Respond to system alerts and troubleshoot as needed. • Provide customer support via phone … workflows, especially live sports. Hands-on experience with IP networking protocols (TCP/IP, UDP, RTP, Multicast, ST 2022-7, SRT). Experience configuring/troubleshooting network equipment (Cisco, Arista, Net Insight). Experience with professional video encoders (Mediakind, Appear). Familiarity with video monitoring tools (TAG, Bridgetech). Knowledge of system monitoring tools (Zabbix, Grafana, Nagios). Proficiency More ❯
