london (city of london), south east england, united kingdom
AirSearch
enterprise. Lead continuous improvement initiatives, driving innovation, automation, and standardisation in network design and operations. Architecture, Design & Delivery Oversee the end-to-end design, implementation, and optimisation of LAN, WAN, SD-WAN, VPN, and wireless solutions across all environments. Manage enterprise routing, switching, VLAN segmentation, firewall policies, telephony systems (ISDN/SIP) , and internal/external internet access. Ensure network … record in leading enterprise network strategy and operations across multi-site or data centre environments. Deep technical expertise in TCP/IP, routing protocols (BGP, OSPF, EIGRP), LAN/WAN, MPLS, VPNs, SD-WAN, firewalls, and network segmentation. Experience managing Cisco and Juniper network technologies, including Cisco IOS/NX-OS and JunOS platforms. Strong background in network monitoring, capacity More ❯
frequency Automation, capacity planning and 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 - VXLANs Cisco, Juniper, Arista Security - Palo Alto & Fortinet MPLS, BGP, OSPF, multicast, TCP/UDP Automation and Python scripting, Ansible, Terraform Linux operating systems Financial/Trading environment More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hunter Bond
frequency Automation, capacity planning and 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 - VXLANs Cisco, Juniper, Arista Security - Palo Alto & Fortinet MPLS, BGP, OSPF, multicast, TCP/UDP Automation and Python scripting, Ansible, Terraform Linux operating systems Financial/Trading environment More ❯
london, south east england, united kingdom Hybrid / WFH Options
Hunter Bond
frequency Automation, capacity planning and 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 - VXLANs Cisco, Juniper, Arista Security - Palo Alto & Fortinet MPLS, BGP, OSPF, multicast, TCP/UDP Automation and Python scripting, Ansible, Terraform Linux operating systems Financial/Trading environment More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Hunter Bond
frequency Automation, capacity planning and 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 - VXLANs Cisco, Juniper, Arista Security - Palo Alto & Fortinet MPLS, BGP, OSPF, multicast, TCP/UDP Automation and Python scripting, Ansible, Terraform Linux operating systems Financial/Trading environment More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Robert Walters
Azure Migrate). Proven background in on-prem to cloud transformation. Experience with VMware, Cisco UCS, Dell EMC . Knowledge of networking technologies (Cisco ACI, F5, Palo Alto, SD-WAN). Scripting/automation experience (Terraform, PowerShell). Solid understanding of cloud security and governance best practices. Desirable: Azure certifications. Experience with Kubernetes, Linux, and Windows Server/Active Directory. More ❯
services industry and MSP experience preferred. Excellent desktop and server troubleshooting skills. Strong hands-on experience in Windows Server, MS Exchange/365, Active Sync, Active Directory, LAN/WAN, MDM, Azure and Microsoft Office Suite Knowledge of VMware, Citrix, MDM (Mobile Device Management), Disaster Recovery, Cisco, SAN (e.g., EMC, Equallogic), and Cyber Security (e.g., IPS, IDS). Impeccable verbal More ❯
and best practices while working with network equipment. Your Skills and Experience Familiarity with various network technologies, including but not limited to: Local Area Networks (LAN) WideArea Networks (WAN) Virtual Private Networks (VPN) Voice over IP (VoIP) Network Monitoring Tools Wireless Networking (Wi-Fi Standards) Software-Defined Networking (SDN) Network Security Technologies (firewalls, IDS/IPS) Network Switches Zscaler More ❯
South West London, London, United Kingdom Hybrid / WFH Options
InterQuest Group (UK) Limited
deployment. Ability to design and implement Infrastructure as Code (IaC) using Terraform, Ansible and GitHub. Skills to automate provisioning and configuration of network infrastructure ( firewalls, load balancers, VPNs, SD-WAN). Expereince of the development of reusable patterns, modules, templates and playbooks that ensure consistency, auditability, and rapid service enablement. 6 Month initial contract with scope for a long term More ❯
network security principles, including firewalls, IDS/IPS, NAC, VPN, and network segmentation/micro-segmentation Demonstrated experience driving network modernization initiatives, including transitions from legacy infrastructure to SD-WAN, SASE, and cloud-native security models Hands-on experience with endpoint protection and EDR platforms such as CrowdStrike, SentinelOne, Microsoft Defender, or Tanium Familiarity with DNS security tools and strategies More ❯
deliver reliable trading platforms across the enterprise. This is an opportunity to work hands-on with the latest Microsoft technologies - as well as core network infrastructure spanning LAN/WAN, Wi-Fi, firewalls, and cloud connectivity. You’ll contribute to service design and drive automation. The ideal candidate should bring strong TCP/IP networking fundamentals, proven scripting/automation More ❯
key part in delivering secure, resilient, and scalable solutions that support the entire business. What you’ll do Manage and optimise network infrastructure, including virtual networks, cloud infrastructure, and WAN technologies. Configure and maintain firewalls, routers, load balancers, and switches. Deploy security and operational updates in line with business guidelines. Monitor network performance and resolve bottlenecks. Collaborate with infrastructure and More ❯
a key part in delivering secure, resilient, and scalable solutions that support the entire business. What youll do Manage and optimise network infrastructure, including virtual networks, cloud infrastructure, and WAN technologies. Configure and maintain firewalls, routers, load balancers, and switches. Deploy security and operational updates in line with business guidelines. Monitor network performance and resolve bottlenecks. Collaborate with infrastructure and More ❯
deliver reliable trading platforms across the enterprise. This is an opportunity to work hands-on with the latest Microsoft technologies - as well as core network infrastructure spanning LAN/WAN, Wi-Fi, firewalls, and cloud connectivity. You’ll contribute to service design and drive automation. The ideal candidate should bring strong TCP/IP networking fundamentals, proven scripting/automation More ❯
deliver reliable trading platforms across the enterprise. This is an opportunity to work hands-on with the latest Microsoft technologies - as well as core network infrastructure spanning LAN/WAN, Wi-Fi, firewalls, and cloud connectivity. You’ll contribute to service design and drive automation. The ideal candidate should bring strong TCP/IP networking fundamentals, proven scripting/automation More ❯
london (city of london), south east england, united kingdom
Mondrian Alpha
deliver reliable trading platforms across the enterprise. This is an opportunity to work hands-on with the latest Microsoft technologies - as well as core network infrastructure spanning LAN/WAN, Wi-Fi, firewalls, and cloud connectivity. You’ll contribute to service design and drive automation. The ideal candidate should bring strong TCP/IP networking fundamentals, proven scripting/automation More ❯
deployments) Working knowledge of Cisco ISE, Prime Infrastructure, and Catalyst Centre Experience with Wireless LAN Controllers and large-scale Cisco Access Point deployments Solid understanding of enterprise LAN/WAN infrastructure Relevant certifications: CCNP (Routing & Switching or Security) essential; CCIE is advantageous. Must be eligible for UK SC & NPPV3 Clearance What we offer: A career at Telent can span many More ❯
City of London, London, Canning Town North, United Kingdom Hybrid / WFH Options
Telent Technology Services Limited
deployments) Working knowledge of Cisco ISE, Prime Infrastructure, and Catalyst Centre Experience with Wireless LAN Controllers and large-scale Cisco Access Point deployments Solid understanding of enterprise LAN/WAN infrastructure Relevant certifications: CCNP (Routing & Switching or Security) essential; CCIE is advantageous. Must be eligible for UK SC & NPPV3 Clearance What we offer: A career at Telent can span many More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
E.ON
structured cabling. IOSH (Working Safely) or equivalent qualification in health and safety. Hands-on experience configuring routers, switches, and firewalls. Knowledge of Layer 2/3 networking, LAN/WAN architecture, cloud networking (e.g., AWS, Azure), and wireless system. Familiarity with network monitoring tools to analyse network performance and troubleshoot issues. Experience with maintenance and fault resolution, both remote and More ❯
Manager, Operations Manager and Virtual Machine Manager. Microsoft Exchange online Azure and on-premises Active Directory Cyber Incident Management and or Security Forensic experience. Windows Server and Linux Network (WAN, Wi-Fi) and Network Access Control (NAC) management Cloud email security gateway services Server hardware including and CIS controls. Security monitoring, orchestrator and SEIM tools Next-gen application firewalls, anti More ❯
secure, efficient, and scalable. What You’ll Be Doing: Infrastructure & Networking Maintain internet, LAN, and Wi-Fi across all sites Configure firewalls, routers, switches, and secure VPN/SD-WAN connections Oversee hardware installations (POS, PCs, printers, CCTV, etc.) Retail Systems & POS Support and update POS/payment terminal software Ensure seamless data sync between stores and head office Troubleshoot More ❯
s strategic goals and technology initiatives. Key Responsibilities: Design, Implement, and Manage Network Infrastructure Lead the design and deployment of robust, scalable, and high-performing network architectures, including LAN, WAN, WiFi, and cloud networking solutions. Expertise in routing, switching, and network segmentation to support business operations across multiple sites and cloud environments. Design and implement secure network architectures to meet More ❯
