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 ❯
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 ❯
Provide general user support and participate in after-hours work and an on-call rotation. 4. Qualifications/Skills Required 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 More ❯
Strong understanding of TCP/IP Strong foundation and hands-on experience on routing (OSPF, BGP, VRF, HSRP, PBR, ), switching (STP, VPC, DHCP, ). Ideally Cisco Nexus. Knowledge of Multicast (PIM, IGMP ). Strong foundation and hands-on experience on VPN (IPSec, IKE) technologies. Strong understanding and hands-on experience on firewall vendors, ideally Check Point and Fortinet. Knowledge about More ❯
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 for performance, uptime, and security Contract Length: 6 Months IR35 Status: Inside IR35 Start Date: ASAP Day Rate More ❯
Products - MX, MS, MR, and SD-WAN Administration of Cisco Catalyst Switches, Cisco ISR routers, and Cisco DNA Center In-depth experience with Cisco ISE (Identity Services Engine) Fundamental multicast troubleshooting skills Understanding and troubleshooting Azure cloud-based networks Network automation: scripting in Python Configuration and troubleshooting of Cisco AnyConnect remote access VPN Some Linux experience (preferred) Knowledge and application More ❯
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 and direct market connectivity Strong skills in packet-level analysis and root cause troubleshooting Ability to capture business/application needs and translate them into More ❯
background with a focus on Cisco routers and switches hardware Extensive knowledge and experience of Core Routing and Switching design, configuration, and troubleshooting Routing protocols OSPF, EIGRP, BGP, ISIS Multicast PIM Sparse/Dense, MSDP, NAT Experience with: LiveNX, Solarwinds, InfoBlox, Cisco ISE, Cisco DNA, Linux, Python/Automation and ServiceNow. Excellent understanding of VPN - site to site, client, IPSEC More ❯
background with a focus on Cisco routers and switches hardware Extensive knowledge and experience of Core Routing and Switching design, configuration, and troubleshooting Routing protocols OSPF, EIGRP, BGP, ISIS Multicast PIM Sparse/Dense, MSDP, NAT Experience with: LiveNX, Solarwinds, InfoBlox, Cisco ISE, Cisco DNA, Linux, Python/Automation and ServiceNow. Excellent understanding of VPN - site to site, client, IPSEC More ❯
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Maintech Recruitment LTD
background with a focus on Cisco routers and switches hardware Extensive knowledge and experience of Core Routing and Switching design, configuration, and troubleshooting Routing protocols OSPF, EIGRP, BGP, ISIS Multicast PIM Sparse/Dense, MSDP, NAT Experience with: LiveNX, Solarwinds, InfoBlox, Cisco ISE, Cisco DNA, Linux, Python/Automation and ServiceNow. Excellent understanding of VPN - site to site, client, IPSEC More ❯
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Progress Rail Services UK Limited
switches hardware Extensive knowledge and experience of Core Routing and Switching design, configuration, and troubleshooting Routing protocols OSPF, EIGRP, BGP, ISIS WAN connectivity Spanning-tree, Port Channels, Load balancing, Multicast PIM Sparse/Dense, MSDP, NAT Experience with: LiveNX, Solarwinds, InfoBlox, Cisco ISE, Cisco DNA, Linux, Python/Automation and ServiceNow. Quality Of Service understanding and configuration, able to customize More ❯
Network or Broadcast Engineer in live broadcast/media environments. Knowledge of broadcast 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 More ❯
Switches (IOS-XE) Deep understanding of VPN, IPSEC, BGP, OSPF, IP SLA, VOIP, QoS Desirable (Bonus Points) Experience in satellite communications , MoD networks , or maritime systems Familiarity with MPLS, multicast, 802.1x , or scripting in Python/Linux Why Apply? Work on nationally critical infrastructure with long-term project visibility Be part of a growing, secure organisation with international reach Opportunity More ❯
of Highly effective planning and prioritization skills. Excellent presentation skills, both written and oral. Cross platform network technology, its application and strategy (working knowledge) Expertise in IP inter networking, Multicast, LAN Switching & Wireless Technologies. Cisco SD-WAN, ISE and Meraki. Palo Alto NGFW, Certificates and Global Protect. CCNA or CCNP Required Soft Skills: Good interpersonal skills, team skills, and strong More ❯
Stockton-on-Tees, Cleveland, England, United Kingdom Hybrid / WFH Options
R3vamp Limited
Support deployments and respond to critical incidents What We’re Looking For Extensive Cisco experience (switching, routing, firewalls – ASA, ISE, VPN). Knowledge of MPLS, OSPF, BGP, VRRP, VLAN, Multicast, and QoS. Hands-on experience with Cisco Call Manager v15 (SIP trunks, routing patterns, hunt groups, CUBE configuration). Proven ability to produce high- and low-level designs and lead More ❯
degree in Computer Science, Mathematics, Finance, or related discipline. Preferred Skills Experience with Linux (RHEL) scripting and system-level tooling. Knowledge of networking protocols (TCP/IP, UDP/Multicast) and inter-process communication. Familiarity with trading platforms, market data feeds, risk management systems. Proficiency with Python or other scripting languages. Exposure to automated testing frameworks and performance harnesses. Comfort More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Client Server
You have C/C++ development skills on Windows OS You have full software development lifecycle experience You have a good knowledge of networking protocols e.g. TCP/IP, multicast You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP, Data Structures, Design Patterns You're collaborative with great communication skills What's in it for you More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
You have C/C++ development skills on Windows OS You have full software development lifecycle experience You have a good knowledge of networking protocols e.g. TCP/IP, multicast You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP, Data Structures, Design Patterns You're collaborative with great communication skills What's in it for you More ❯
scripting skills in PowerShell and Bash. Experience with source repositories (Git) and CI/CD pipeline development (Jenkins/GitLab). Familiarity with network programming (TCP/IP, UDP multicast, REST, WebSockets) is desirable. Experience developing software on both Linux and Windows operating systems. Familiarity with Agile development methodologies is a strong plus. Working knowledge of Jira, and Confluence. Solid More ❯
scripting skills in PowerShell and Bash. Experience with source repositories (Git) and CI/CD pipeline development (Jenkins/GitLab). Familiarity with network programming (TCP/IP, UDP multicast, REST, WebSockets) is desirable. Experience developing software on both Linux and Windows operating systems. Familiarity with Agile development methodologies is a strong plus. Working knowledge of Jira, and Confluence. Solid More ❯
guidance to both technical and non-technical stakeholders. Passion for Performance : A strong passion for optimizing low-latency networks, with hands-on experience in network transport and routing protocols (Multicast, OSPF, BGP, TCP/UDP). Adaptability in Multi-Vendor Environments : Expertise working with a variety of low-latency network switches and devices, ensuring best-in-class performance across diverse More ❯
guidance to both technical and non-technical stakeholders. Passion for Performance: A strong passion for optimizing low-latency networks, with hands-on experience in network transport and routing protocols (Multicast, OSPF, BGP, TCP/UDP). Adaptability in Multi-Vendor Environments: Expertise working with a variety of low-latency network switches and devices, ensuring best-in-class performance across diverse More ❯
documentation and API specifications. Desired Understanding of ultra-low latency distributed computing environments. Familiarity with FIX trading protocol and market data systems. Understanding of networking (TCP and UDP) and multicast data delivery. Understanding of traditional and on-premises physical infrastructure and distributed server architectures running on Linux. Experience working in a highly regulated environment. Familiar with creating wireframes, a visual More ❯