4 of 4 Remote/Hybrid Network Administrator Jobs in London

Network Administrator Application Deadline: 23 October 2026 Department: Business Operations Employment Type: Full Time Location: London Reporting To: Head of Infrastructure Description Reports to: Head of Infrastructure Location: UK London or Erlanger US or New York US, Flexible Working 3 days in office. Occasional international travel … required to support office moves, network deployments, installations, project delivery and supplier coordination. Role Purpose The Network Administrator is responsible for the administration, support and maintenance of Centellic's global network infrastructure. Based in one of our global offices and reporting to the Head of Infrastructure ...

Systems & Network Administrator ONSITE Heathrow/Heston £50,000 – £80,000 depending on experience We are recruiting for an experienced and hands-on IT Systems & Network Administrator to join our client’s IT team. This is a varied infrastructure role covering network administration, firewall management … vSphere , including virtual machines, backups, snapshots and performance. Support Windows Server and Active Directory environments. Provide 1st and 2nd line support across hardware, software, network and connectivity issues. Monitor and maintain network, server and virtual infrastructure. Support backup, disaster recovery and security requirements. Work with external IT suppliers ...

SonicWall firewalls - configuration, VPNs, security policies & troubleshooting VMware ESXi/vSphere - administration, provisioning, backups & performance Windows Server & Active Directory IT Systems & Network Administrator ONSITE Heathrow/Heston £50,000 – £80,000 depending on experience We are recruiting for an experienced and hands-on IT Systems & Network Administrator to join our client’s IT team. This is a varied infrastructure role covering network administration, firewall management, virtualisation, servers and end-user support . Strong, practical experience with SonicWall and VMware ESXi/vSphere is essential. Key Responsibilities Configure, manage and troubleshoot SonicWall firewalls , including VPNs, security ...

Centellic is seeking a Network Administrator to manage and support the global network infrastructure. Based in London, you will cover Azure networking, Cisco Meraki, SD‐WAN, WAN/LAN, Wi‐Fi, remote access and network authentication in a hybrid, multi‐site environment. You will work with ...