versatile contributor in a fast-paced, collaborative environment supporting cutting-edge technology. Role and Responsibilities Administer, operate, and maintain enterprise network infrastructure, including LAN/WLAN, VPNs, DNS/DHCP/IPAM, firewalls, and cloud networking (AWS, GCP). Proactively monitor and troubleshoot performance, availability, and connectivity issues, taking ownership of incident resolution end-to-end. Support systems administration tasks More ❯
Central London, London, United Kingdom Hybrid / WFH Options
4C Resourcing
site Requirement:Tuesdays plus additional days as needed. Key Responsibilities VLAN, subnet, and security zone migrations Switch and WiFi configuration, installation, and replacement 802.1x and NAC deployment DDI (DNS, DHCP, IP) cleansing and consolidation Firewall and Citrix Netscaler upgrades (including Panorama and MFA) Monitoring and alerting setup Technical documentation for approval boards Essential Skills 5+ years in senior network roles More ❯
rollouts) Support and evolve infrastructure design, ensuring best practices are followed Collaborate with cybersecurity, network, storage, and application teams on cross-domain initiatives Implement or maintain Active Directory, DNS, DHCP, Group Policy, DFSR, WDS, etc. Automate deployment, configuration, and infrastructure provisioning (Infrastructure as Code) Work with virtualisation (VMware/vSphere, etc.) Configure/manage SAN/storage, Fibre Channel, zoning … current or active within the last 12 months (non-negotiable) Strong track record with Windows?11 deployment (imaging, upgrade, Autopilot, Intune, SCCM, etc.) Solid experience with Active Directory, DNS, DHCP, Group Policy Experience in a 3rd line/senior infrastructure role Familiarity with both BAU support and project-based change Virtualisation experience (VMware, vSphere) Working knowledge of SAN/storage More ❯
