Responsibilities Lead the design, deployment, and optimisation of Arista-based data centre networks, with a focus on low-latency and high resilience. Configure and troubleshoot BGP, EVPN (VXLAN), and Multicast (PIM, IGMP) in complex enterprise environments. Use Arista CloudVision for orchestration, telemetry, and automated configuration management across global environments. Build and maintain network automation scripts using Python, Nornir, and Ansible … operational excellence. Essential Skills & Experience Strong hands-on experience with Arista EOS in complex enterprise or global data centre environments. Deep knowledge of routing protocols (BGP, OSPF, EVPN) and Multicast technologies. Demonstrated experience working with Arista CloudVision in both greenfield and brownfield deployments. Background in low-latency networks – ideally within financial services or other performance-critical environments. Proficiency in network More ❯
Objectives Lead the design, deployment, and optimisation of Arista-based data centre networks, with a focus on low-latency and high resilience. Configure and troubleshoot BGP, EVPN (VXLAN), and Multicast (PIM, IGMP) in complex enterprise environments. Use Arista CloudVision for orchestration, telemetry, and automated configuration management across global environments. Build and maintain network automation scripts using Python, Nornir, and Ansible … candidate will have the following: Strong hands-on experience with Arista EOS in complex enterprise or global data centre environments. Deep knowledge of routing protocols (BGP, OSPF, EVPN) and Multicast technologies. Demonstrated experience working with Arista CloudVision in both greenfield and brownfield deployments. Background in low-latency networks - ideally within financial services or other performance-critical environments. Proficiency in network More ❯
with Cisco, Juniper, and Arista technologies while actively pursuing further accreditation, is important. Expertise spanning LAN, WAN, HSRP, NAT, MPLS, VPN, GRE, BGP, and OSPF is vital. Knowledge of multicast concepts, including IGMP, RP, and PIM, is beneficial. Familiarity with low-latency technologies commonly deployed in the financial sector is advantageous. Excellent knowledge of network Packet analysis and Packet Capture … VxLAN, and related technologies, is valuable. Understanding cloud environments and possessing knowledge of network security, including standard processes, is beneficial. Familiarity with load balancing technologies, TCP/IP, and multicast in internet environments is important. Proficiency in required Service Management processes, ideally with ITIL knowledge, is advantageous. Exposure to the financial sector and its associated technologies is valuable. Proficiency in More ❯
reference network architectures along with a significant level of 'Hands On' network OS experience. Additionally, candidates with a solid track record of interaction with ISPs, familiarity with automation tools, multicast experience, strong analytical, project management, and troubleshooting skills will receive a higher level of consideration. Past success designing or maintaining a network via automation is also expected. Candidates should have … BS degree in an engineering discipline or equivalent. 8-12 years of relevant experience. Fluency in English, both written and verbal. Comprehensive understanding of routing protocols, TCP/IP, Multicast, DNS, LAN switching, and Wireshark. Experience with BGP, EIGRP, router/switch architectures, and protocols like HTTP/HTTPS/DNS/DHCP/SNMP/SMTP. Experience in network More ❯
MPLS, OSPF, BGP, VRF, and QoS. Proficiency in Python or a comparable scripting language to automate and orchestrate network tasks. Working knowledge of DNS, DHCP, IP address management (IPAM), multicast, and data centre architecture. Excellent written and verbal communication skills, with the ability to document complex designs clearly and concisely. Experience leading complex, multi-stakeholder projects, with a proven ability More ❯
MPLS, OSPF, BGP, VRF, and QoS. Proficiency in Python or a comparable scripting language to automate and orchestrate network tasks. Working knowledge of DNS, DHCP, IP address management (IPAM), multicast, and data centre architecture. Excellent written and verbal communication skills, with the ability to document complex designs clearly and concisely. Experience leading complex, multi-stakeholder projects, with a proven ability More ❯
Social network you want to login/join with: We are looking for an Expert DC & Security Engineer with deep expertise in low-latency networking, multicast technologies, and secure data centre infrastructure. This is a hands-on, high-impact engineering role where you’ll be responsible for the full lifecycle of network systems—from design and deployment to performance monitoring … data into robust technical solutions that align with capacity and infrastructure strategies. Develop real-time dashboards and monitoring systems to visualise network health and performance. Provide expert support for multicast and WAN implementations, acting as the primary escalation point for complex issues. Lead network upgrades and migrations, coordinating with internal teams and third-party providers. Manage enterprise firewall environments and … scale networks, particularly in latency-sensitive environments (finance/trading preferred). Deep knowledge of LAN, WAN, HSRP, NAT, MPLS, VPN, GRE, BGP, and OSPF protocols. Advanced expertise in multicast networking: PIM-SM, PIM-SSM, IGMP, MVPN, MLDP. Hands-on experience with F5 BIG-IP (LTM, GTM, etc.). Strong background in firewall administration and security: Palo Alto, Cisco ASA More ❯
metrics and evolving business needs. Key Responsibilities: Network Architecture & Design: Lead the design and continual optimization of ultra-low latency network infrastructure (e.g. Layer 1 switching, FPGA-based solutions, multicast protocols). Product Ownership: Act as the voice of the business for the network infrastructure-managing the roadmap, prioritizing features and performance upgrades, and aligning with trading desk requirements. Latency … Risk & Compliance: Ensure systems meet regulatory standards (e.g. MiFID II timestamping), and support disaster recovery and failover strategies. Skills & Tools: Technical: Deep expertise in networking (TCP/IP, BGP, multicast, PTP), ultra-low latency hardware (e.g. FPGA, Arista 7130), and network analytics. Programming/Scripting: Familiarity with Python, Bash, or Go for automation and performance tuning. Tooling: Corvil, SolarWinds, Wireshark … role managing technical teams. Demonstrable experience with large-scale service provider and financial services grade network environments, including enterprise, data center and cloud integration. Technical Skills: Deep expertise in multicast, large scale Core routing and switching (e.g., Cisco, Juniper). Financial Services, Service Provider, Low Latency and Market Venue/Exchange knowledge and experience. Knowledge of cloud and hybrid networking More ❯
metrics and evolving business needs. Key Responsibilities: Network Architecture & Design: Lead the design and continual optimization of ultra-low latency network infrastructure (e.g. Layer 1 switching, FPGA-based solutions, multicast protocols). Product Ownership: Act as the voice of the business for the network infrastructure—managing the roadmap, prioritizing features and performance upgrades, and aligning with trading desk requirements. Latency … Risk & Compliance: Ensure systems meet regulatory standards (e.g. MiFID II timestamping), and support disaster recovery and failover strategies. Skills & Tools: Technical: Deep expertise in networking (TCP/IP, BGP, multicast, PTP), ultra-low latency hardware (e.g. FPGA, Arista 7130), and network analytics. Programming/Scripting: Familiarity with Python, Bash, or Go for automation and performance tuning. Tooling: Corvil, SolarWinds, Wireshark … role managing technical teams. Demonstrable experience with large-scale service provider and financial services grade network environments, including enterprise, data center and cloud integration. Technical Skills: Deep expertise in multicast, large scale Core routing and switching (e.g., Cisco, Juniper). Financial Services, Service Provider, Low Latency and Market Venue/Exchange knowledge and experience. Knowledge of cloud and hybrid networking More ❯
and ensuring timely communication regarding network security and other issues. Essential Duties: Develop and implement detailed logical designs in areas such as routing and switching, network security and firewalls, multicast architecture, MPLS, and SD-WAN (preferably). Develop secure network designs, maximizing the usage of routers and switches. Analyze traffic behaviors, identify, and resolve congestion or traffic issues. Establish procedures More ❯
London, England, United Kingdom Hybrid / WFH Options
Summer-Browning Associates Ltd
monitoring tools and integrating these with networking devices to create specific alerts on key events etc. Deep understanding of Switching and TCP/IP, NAT, ACLs, IPsec VPNs, and multicast and voice/video streaming over IP networks. Comfortable with network automation and scripting (e.g., Python, Ansible) and centralised versioning tooling Git, GitHub, GitLab, Bitbucket etc. to deploy network changes. More ❯
software, Accedian Network Interface Nodes, Ixia test generator, IP Routing and Switching. Additionally, the candidate will have MPLS experience, working knowledge of IP Firewalls, IP Load balancers and IP Multicast Strong working knowledge and experience with: TCP/IP, Cisco IOS, Cisco NXOS, IOS-XR, Juniper JUNIOS, LAN/WAN, Service Provider/Extranet networks, Ethernet switching, including VPC/ More ❯
software, Accedian Network Interface Nodes, Ixia test generator, IP Routing and Switching. Additionally, the candidate will have MPLS experience, working knowledge of IP Firewalls, IP Load balancers and IP Multicast Strong working knowledge and experience with: TCP/IP, Cisco IOS, Cisco NXOS, IOS-XR, Juniper JUNIOS, LAN/WAN, Service Provider/Extranet networks, Ethernet switching, including VPC/ More ❯
Central London, London, United Kingdom Hybrid / WFH Options
Halian Technology Limited
We are looking for a highly skilled and motivated Infrastructure Network Engineer to join a dynamic IT infrastructure team. My client works across multiple sectors to include, Health, Energy, Finance and Energy. As a key contributor, you will play a More ❯
Job Title: Network Engineer Location: Birmingham Career Level: CL10 Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance which requires 5 years continuous UK address history (typically including no periods of 30 consecutive days More ❯
Get AI-powered advice on this job and more exclusive features. This range is provided by Halian. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range We are More ❯
We are looking for a highly skilled and motivated Infrastructure Network Engineer to join a dynamic IT infrastructure team. My client works across multiple sectors to include, Health, Energy, Finance and Energy. As a key contributor, you will play a More ❯
We are looking for a highly skilled and motivated Infrastructure Network Engineer to join a dynamic IT infrastructure team. My client works across multiple sectors to include, Health, Energy, Finance and Energy. As a key contributor, you will play a More ❯
We are looking for a highly skilled and motivated Infrastructure Network Engineer to join a dynamic IT infrastructure team. My client works across multiple sectors to include, Health, Energy, Finance and Energy. As a key contributor, you will play a More ❯
We are looking for a highly skilled and motivated Infrastructure Network Engineer to join a dynamic IT infrastructure team. My client works across multiple sectors to include, Health, Energy, Finance and Energy. As a key contributor, you will play a More ❯
london (city of london), south east england, united kingdom
Halian
We are looking for a highly skilled and motivated Infrastructure Network Engineer to join a dynamic IT infrastructure team. My client works across multiple sectors to include, Health, Energy, Finance and Energy. As a key contributor, you will play a More ❯
will develop dashboards to provide near Real Time network status. Collaborating closely with network operations and service teams, we will provide in-depth technical support and guidance for all multicast- and WAN-related issues and implementations. This role requires a proactive problem solver with a deep understanding of multicast protocols, WAN infrastructure, and a passion for delivering exceptional service. When … Nexus9K. Expertise in LAN, WAN, MPLS, VPLS, LDP, GRE, BGP, OSPF, and ISIS within a VRF context for L2/L3VPN services, Traffic Engineering, and RSVP. Comprehensive knowledge of multicast concepts, including PIM-SM, PIM-SSM, IGMP, MVPN, and MLDP. Proficiency in product-aligned, service-focused work, with a solid grasp of network automation, SRE, and DevOps or equivalent experience. … Scrum, Kanban) and project management tools like JIRA. Excellent skills in network packet analysis and packet capture tools for troubleshooting. Familiarity with load balancing technologies, TCP/IP, and multicast in Internet environments. Understanding of low-latency technologies commonly used in the financial sector. Experience in Data Centre Networking, including Software-Defined Networking (SDN), Cisco ACI, VxLAN, and related technologies. More ❯
will develop dashboards to provide near Real Time network status. Collaborating closely with network operations and service teams, we will provide in-depth technical support and guidance for all multicast- and WAN-related issues and implementations. This role requires a proactive problem solver with a deep understanding of multicast protocols, WAN infrastructure, and a passion for delivering exceptional service. When … Nexus9K. Expertise in LAN, WAN, MPLS, VPLS, LDP, GRE, BGP, OSPF, and ISIS within a VRF context for L2/L3VPN services, Traffic Engineering, and RSVP. Comprehensive knowledge of multicast concepts, including PIM-SM, PIM-SSM, IGMP, MVPN, and MLDP. Proficiency in product-aligned, service-focused work, with a solid grasp of network automation, SRE, and DevOps or equivalent experience. … Scrum, Kanban) and project management tools like JIRA. Excellent skills in network packet analysis and packet capture tools for troubleshooting. Familiarity with load balancing technologies, TCP/IP, and multicast in Internet environments. Understanding of low-latency technologies commonly used in the financial sector. Experience in Data Centre Networking, including Software-Defined Networking (SDN), Cisco ACI, VxLAN, and related technologies. More ❯
will develop dashboards to provide near Real Time network status. Collaborating closely with network operations and service teams, we will provide in-depth technical support and guidance for all multicast- and WAN-related issues and implementations. This role requires a proactive problem solver with a deep understanding of multicast protocols, WAN infrastructure, and a passion for delivering exceptional service. When … Nexus9K. Expertise in LAN, WAN, MPLS, VPLS, LDP, GRE, BGP, OSPF, and ISIS within a VRF context for L2/L3VPN services, Traffic Engineering, and RSVP. Comprehensive knowledge of multicast concepts, including PIM-SM, PIM-SSM, IGMP, MVPN, and MLDP. Proficiency in product-aligned, service-focused work, with a solid grasp of network automation, SRE, and DevOps or equivalent experience. … Scrum, Kanban) and project management tools like JIRA. Excellent skills in network packet analysis and packet capture tools for troubleshooting. Familiarity with load balancing technologies, TCP/IP, and multicast in Internet environments. Understanding of low-latency technologies commonly used in the financial sector. Experience in Data Centre Networking, including Software-Defined Networking (SDN), Cisco ACI, VxLAN, and related technologies. More ❯
