enabling early threat identification and implementation of effective mitigation measures.* Expertise in formulating policies, standards, guidelines for expansive network estates encompassing deployment planning through lifecycle administration.* Practical experience with Arista/Cisco infrastructure; WAN technologies such as SD-WAN/MPLS/IPSec VPN; Fortinet/FortiGate/Palo Alto firewalls; Solarwinds/Algosec/Thousand Eyes; DNS/ More ❯
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Upbeat Ideas UK Ltd
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 ❯
City of London, London, United Kingdom Hybrid / WFH Options
ECS
Contract Opportunity: Network Engineer (Cisco & Arista) - Hybrid, London - Inside IR35 We're working with a leading tech-driven organisation seeking a Network Engineer to join their high-performing infrastructure team on a contract basis. Location: London (Hybrid) Contract Type: Inside IR35 Day Rate: £450-£600 Key Responsibilities: Design, implement, and support scalable data centre networks Troubleshoot complex enterprise network … issues Automate network operations using tools like Ansible, Python, and Git Collaborate across engineering, security, and DevOps teams Tech Stack: Core: Cisco, Arista (IOS, NX-OS, EOS) Protocols: BGP, OSPF, EVPN, VXLAN, MPLS Tools: Python, Ansible, Jinja2, Git Ideal Candidate: Strong experience in large-scale enterprise or data centre networks Hands-on with Cisco and Arista platforms Comfortable More ❯
in Exchange ULL COLO network setup Strong experience working in an Ultra Low Latency environment CCNP/CCIE certification or to that technical level Check Point CCSA/CCSE Arista F5 Market data experience Experience in Exchange/Client on-boarding This role is suitable for a Cisco certified Network Engineer who has at least 5-6 years of More ❯
in Exchange ULL COLO network setup Strong experience working in an Ultra Low Latency environment CCNP/CCIE certification or to that technical level Check Point CCSA/CCSE Arista F5 Market data experience Experience in Exchange/Client on-boarding This role is suitable for a Cisco certified Network Engineer who has at least 5-6 years of 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 ❯
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 ❯
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 ❯
protocols such as BGP, OSPF, VLANs, VXLAN, and Layer 2/3. Requirements (Multiple engineers who between them share the following): Proven experience with Cisco Routing & Switching, Juniper, and Arista networks. Strong understanding of data centre technologies and Firewall management. Ability to handle network migrations. If you are interested in finding out more get in touch and apply today More ❯
London, England, United Kingdom Hybrid / WFH Options
Warner Bros. Discovery
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 ❯
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 ❯
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 ❯
science, Engineering, Mathematics, a similar field of study or equivalent work experience. We'd love to see Experience managing and automating network devices at scale such as Juniper, Nokia, Arista, Cisco, Whitebox etc. An understanding of various Network architectures across Internet, Public Cloud, Private Networks, DWDM and Optical Networking, Data Centre builds and design fundamentals. etc. Experience with network More ❯
as well as coaching and advising staff. Key responsibilities Supporting existing platforms. Ensuring 24/7/365 uptime of systems and services. Maintain, operate and install Juniper, Nokia, Arista or other vendors. Maintain, operate and setup Nokia OTN Network and DWDM systems. Or other vendors. Play a key part in integrating new vendor equipment into the network. Network More ❯
including IPsec, SSL/TLS, and AAA (RADIUS, TACACS+) Understanding of application layer protocols such as HTTP, DNS, and DHCP Experience with network devices from vendors like Cisco, Juniper, Arista, etc. Knowledge of firewalls, IDS/IPS, and other security appliances Experience with load balancing technologies and strategies Familiarity with wireless networking standards and equipment Understanding of cloud networking More ❯
Alexander Mann Solutions - Public Sector Resourcing
/OCI), Next Generation Firewall, Load-balancing, and PKI technologies as well as experience with either Aruba Wifi/Clearpass or Spine and Leaf topologies/DC-VXLAN (Preferably Arista). . Experience with network monitoring and analysis tooling. . Experience of problem-solving, analytical skills, with the ability to think critically, creatively, and independently to solve issues. Please 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 ❯
out and apply today! Responsibilities: Coordinate and manage all technical aspects of live sports transmissions including check-in, configuration, and monitoring. Perform advanced monitoring and troubleshooting across IP networks (Arista, Net Insight), video encoders (Mediakind, Appear), and system infrastructure (Linux/Windows). Support incident management by investigating and resolving issues, producing detailed reports, and participating in post-incident … network or broadcast engineering role, ideally within live transmission environments. Strong understanding of IP media transport protocols: RTP, ST 2022-7, SRT, UDP, Multicast. Experience with network equipment (Cisco, Arista, Net Insight) and professional encoders (Mediakind, Appear). Familiarity with video monitoring tools (TAG, Bridgetech) and system monitoring platforms (Zabbix, Grafana). Excellent troubleshooting, communication, and documentation skills. Ability More ❯
provider. Day Rate: £500 - Inside IR35 Location: London - Hybrid - one day per week in the London office Contract Length: 5 months Skill Required: You must have solid experience of: Arista Spine & Leaf VXLAN EVPN Multicast Routing & Switching Preference will be given to candidates who have worked within capital markets/trading environments previously. If you have the required skills More ❯
