1 to 25 of 95 WAN Jobs in the City of London

Key Responsibilities: Provide 2nd line technical support across EUC (End User Computing), Microsoft technologies (Windows 10/11, M365, Azure), and networking (TCP/IP, DNS, DHCP, LAN/WAN). Troubleshoot and resolve incidents related to including integrations with hardware and cloud services. Collaborate with development and infrastructure teams to identify root causes and implement long-term fixes. Maintain More ❯

Key Responsibilities: Provide 2nd line technical support across EUC (End User Computing), Microsoft technologies (Windows 10/11, M365, Azure), and networking (TCP/IP, DNS, DHCP, LAN/WAN). Troubleshoot and resolve incidents related to including integrations with hardware and cloud services. Collaborate with development and infrastructure teams to identify root causes and implement long-term fixes. Maintain More ❯

rollouts What You ll Bring You re confident, curious and customer-focused, with: Strong hands-on experience with Windows 10/11 and macOS Solid understanding of LAN/WAN/Wi-Fi networking Proficiency in Windows Server 2012/2016/2019 and technologies like: Active Directory, Hyper-V, DNS, DHCP, DFS, ADFS, FAP Knowledge of PC setup , TCP More ❯

rollouts What You’ll Bring You’re confident, curious and customer-focused, with: Strong hands-on experience with Windows 10/11 and macOS Solid understanding of LAN/WAN/Wi-Fi networking Proficiency in Windows Server 2012/2016/2019 and technologies like: Active Directory, Hyper-V, DNS, DHCP, DFS, ADFS, FAP Knowledge of PC setup , TCP More ❯

and continuous service improvement initiatives * Provide high-level technical oversight and guidance in areas including: Azure infrastructure management, network protocols (TCP/IP, DHCP, DNS), firewall operations (preferably FortiGate), WAN/LAN/VPN connectivity, Microsoft and Windows Server environments Requirements * Proven experience in infrastructure/IT operations management within a multi-site environment * Demonstrable experience managing third-party MSPs More ❯

Required Skills & Experience: Active CCNP (Enterprise & Security) certifications are essential. 5+ years’ experience delivering enterprise Cisco network/security solutions. Cisco Catalyst & Nexus switching (traditional and SDA) Cisco SD-WAN Cisco Secure Firewall, ISE, and SASE/SSE Advanced routing (BGP, OSPF, MPLS, VxLAN EVPN) VPN (IPsec, SSL), NAC (802.1X), and wireless Solid understanding of firewalls, proxy/WAF, PKI More ❯

Required Skills & Experience: Active CCNP (Enterprise & Security) certifications are essential. 5+ years experience delivering enterprise Cisco network/security solutions. Cisco Catalyst & Nexus switching (traditional and SDA) Cisco SD-WAN Cisco Secure Firewall, ISE, and SASE/SSE Advanced routing (BGP, OSPF, MPLS, VxLAN EVPN) VPN (IPsec, SSL), NAC (802.1X), and wireless Solid understanding of firewalls, proxy/WAF, PKI More ❯

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 ❯

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 ❯

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) Wide Area 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 ❯

CloudFormation, CloudTrail, Direct Connect, Transit Gateway, etc.) Configuration management and automation using CloudFormation CI/CD pipeline management with GitLab CI Advanced networking: BGP, OSPF, VLANs, VPNs, MPLS, SD-WAN, and cross-region connectivity Firewall administration (Cisco ASA or similar) and network access control Monitoring, logging, and observability (Prometheus, Grafana, CloudWatch, ECS, etc.) Linux and Windows systems administration IT infrastructure More ❯

CloudFormation, CloudTrail, Direct Connect, Transit Gateway, etc.) Configuration management and automation using CloudFormation CI/CD pipeline management with GitLab CI Advanced networking: BGP, OSPF, VLANs, VPNs, MPLS, SD-WAN, and cross-region connectivity Firewall administration (Cisco ASA or similar) and network access control Monitoring, logging, and observability (Prometheus, Grafana, CloudWatch, ECS, etc.) Linux and Windows systems administration IT infrastructure More ❯

environments Confident interacting with technical and trading leadership Core Skills AWS (VPC, IAM, S3, ECS/EKS, Direct Connect, Transit Gateway, CloudFormation) Networking: BGP, OSPF, MPLS, VLANs, VPNs, SD-WAN Firewalls and network security (Cisco ASA, Fortinet or similar) Linux and Windows systems engineering Microsoft services and identity (AD/Entra ID) CI/CD (GitLab CI or similar) IaC More ❯

environments Confident interacting with technical and trading leadership Core Skills AWS (VPC, IAM, S3, ECS/EKS, Direct Connect, Transit Gateway, CloudFormation) Networking: BGP, OSPF, MPLS, VLANs, VPNs, SD-WAN Firewalls and network security (Cisco ASA, Fortinet or similar) Linux and Windows systems engineering Microsoft services and identity (AD/Entra ID) CI/CD (GitLab CI or similar) IaC More ❯

vendors when required. Ensure best practice in IT service management – incident logging, prioritisation, resolution and escalation. Help with hardware inventory, procurement, and lifecycle management. Support network issues (LAN/WAN/WiFi) as needed. Contribute to continuous improvement of IT processes, knowledge base and training for users. Skills & experience required Proven experience in a 2nd line IT support role. Experience More ❯

vendors when required. Ensure best practice in IT service management incident logging, prioritisation, resolution and escalation. Help with hardware inventory, procurement, and lifecycle management. Support network issues (LAN/WAN/WiFi) as needed. Contribute to continuous improvement of IT processes, knowledge base and training for users. Skills & experience required Proven experience in a 2nd line IT support role. Experience More ❯

infrastructure and systems. Strong knowledge of cybersecurity principles and best practices. Familiarity with cloud platforms (AWS, Azure) and data management tools. Experience with networking (TCP/IP, LAN/WAN, firewalls) and virtualisation technologies. Competence with Windows, Windows Server, and macOS environments. Proficiency in Microsoft 365 (Office, Teams, etc.). Knowledge of IT service management frameworks (ITIL, ISO27001). Basic More ❯

infrastructure and systems. Strong knowledge of cybersecurity principles and best practices. Familiarity with cloud platforms (AWS, Azure) and data management tools. Experience with networking (TCP/IP, LAN/WAN, firewalls) and virtualisation technologies. Competence with Windows, Windows Server, and macOS environments. Proficiency in Microsoft 365 (Office, Teams, etc.). Knowledge of IT service management frameworks (ITIL, ISO27001). Basic More ❯

Balancers Strong experience of configuration protocols with OSPF and BGP and Layer7 switching, VPNs and related protocols Enterprise level Cisco Networking environment experience - supporting multiple data centres Network Design, WAN/LAN Cisco certified All candidates must be UK based and eligible for Security clearance Please apply to this advert to discuss the details More ❯

Balancers Strong experience of configuration protocols with OSPF and BGP and Layer7 switching, VPNs and related protocols Enterprise level Cisco Networking environment experience - supporting multiple data centres Network Design, WAN/LAN Cisco certified All candidates must be UK based and eligible for Security clearance Please apply to this advert to discuss the details More ❯

such as Solarwinds. · Solid understanding of network fundamentals: This includes knowledge of network protocols (TCP/IP, BGP, OSPF), different network devices (routers, switches, firewalls), and network architectures (LAN, WAN, WLAN). · Network device configuration: The ability to configure routers, switches, firewalls, and other network equipment using vendor-specific commands or tools. · Troubleshooting and problem-solving: Network engineers must be More ❯

such as Solarwinds. Solid understanding of network fundamentals: This includes knowledge of network protocols (TCP/IP, BGP, OSPF), different network devices (routers, switches, firewalls), and network architectures (LAN, WAN, WLAN). Network device configuration: The ability to configure routers, switches, firewalls, and other network equipment using vendor-specific commands or tools. Troubleshooting and problem-solving: Network engineers must be 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 ❯

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 ❯

such as Solarwinds. Solid understanding of network fundamentals: This includes knowledge of network protocols (TCP/IP, BGP, OSPF), different network devices (routers, switches, firewalls), and network architectures (LAN, WAN, WLAN). Network device configuration: The ability to configure routers, switches, firewalls, and other network equipment using vendor-specific commands or tools. Troubleshooting and problem-solving: Network engineers must be More ❯