Salary: £40,000 - 45,000 per year Requirements: Previous experience in an IT Administrator, Infrastructure Engineer, or similar role Strong Microsoft 365 and Active Directory experience, including Entra, Group Policy, AD Connect, Radius Server, DHCP, and DNS Experience managing VMware virtualised environments Strong understanding of Microsoft desktop and server operating systems Knowledge of IP networking and network troubleshooting Excellent diagnostic and problem-solving skills Understanding of IT security and data protection principles Strong communication and customer support skills Linux administration experience is desirable Cisco IOS knowledge is desirable SharePoint experience is desirable Exposure to ESXi, Proxmox, and HPE infrastructure is desirable Responsibilities: Maintain and improve centralised computing platforms based on VMware, Windows Server, and Active Directory Provide 1st and 2nd line support across hardware, software, and network issues Troubleshoot and resolve technical issues to minimise business downtime Manage and maintain workstations, servers, and associated IT hardware Support installation, configuration, and maintenance of hardware and software systems Apply centralised updates across operating systems, antivirus platforms, and applications Assist with network switching and routing administration Manage and support virtualisation environments including ESXi and Proxmox Support and maintain HPE hardware infrastructure Assist with Linux server administration, including SLES environments Maintain system documentation, change controls, and incident logs Identify recurring issues and recommend improvements or training opportunities Support the implementation of new technologies, upgrades, and infrastructure improvements Provide occasional IT support for onsite events, training sessions, and conferences Participate in a shared 24-hour on-call rota Technologies: Active Directory Cisco Hardware Support Linux Microsoft 365 Network Security SharePoint VMware Windows iOS Office 365 More: We are a highly specialised and innovative technology organisation based in Helston, Cornwall, and we are looking for an experienced IT Systems Administrator to join our growing team. This is an exciting opportunity for a hands-on IT professional to work in a technically advanced environment supporting critical business systems and technologies. We offer the chance to work across a wide range of systems and infrastructure, contributing to reliable, secure, and efficient IT operations within a forward-thinking organisation. last updated 20 week of 2026