Key responsibilities

Systems and infrastructure operations

Perform day-to-day administration of on-premises Windows Server, virtual machines (Hyper-V/VMware) and storage, following the build standards and runbooks set by the Senior IT Administrator.

Administer user accounts, groups and permissions in Active Directory and Entra ID; apply Group Policy changes as approved. ▪ Administer Microsoft 365 workloads (Exchange Online, Teams, SharePoint, OneDrive): mailboxes, licences, shared resources and access.

Apply patches and updates to servers, endpoints and network devices within the approved change windows; report results and exceptions. Page Role Profile · Confidential – for internal and recruitment useIT Administrator · Role Profile

Monitor system health, capacity and alerts daily; act on issues within scope and escalate the rest. Network

Support and troubleshoot LAN, Wi-Fi, VPN and internet connectivity issues; perform switch port, VLAN and access-point changes as approved. ▪ Keep IP addressing records and network documentation accurate for the changes made. Security and backup

Run and verify daily backup jobs, investigate failures and perform test restores on the schedule defined in the backup runbook. ▪ Apply endpoint protection, MFA and access-control policies; act on security alerts and phishing reports at first line.

Follow the joiner/mover/leaver process to provision and deprovision accounts and access promptly. Support and service desk

Resolve second-line incidents and requests escalated by the Junior IT Administrator/Technician; log, track and close all work in the IT Service Desk system within SLA.

Support desktops, laptops, mobile devices, printers and peripherals; build and deploy standard device images.

Liaise with vendors and service providers on tickets within scope; escalate unresolved or high-impact issues to the Senior IT Administrator. ▪ Participate in the on-call rota for critical systems outside business hours and in planned out-of-hours maintenance, responding within the agreed response time and escalating to the Senior IT Administrator where needed. Runbooks and documentation

Update the relevant runbook or SOP as part of every change or resolution; a task is not complete until its documentation is updated. ▪ Contribute new knowledge-base articles for issues resolved and flag gaps in existing runbooks to the Senior IT Administrator.

Keep the asset inventory current for hardware, software and licences handled (serial numbers, assignments, warranties).

Team

Guide the Junior IT Administrator/Technician on procedures and escalations. ▪ Provide cover for the other IT Administrator and participate in project and improvement work as assigned.

Deliver user training sessions on M365 and core business tools according to the training plan set by the Senior IT Administrator. Cognate duties

Perform any other duties reasonably related to the role as assigned by the Senior IT Administrator or IT management, including project support, site visits, equipment moves and cover for colleagues during absence.

The IT Administrator operates and supports the organisation's IT infrastructure and services day to day — servers, virtualisation, networks, Microsoft 365, identity, endpoints and backups — under the direction of the Senior IT Administrator. Two IT Administrators share the workload and provide cover for each other. The role delivers second-line support, carries out routine administration, patching and backup checks, and escalates complex or high-risk issues to the Senior IT Administrator. The role keeps the runbooks and documentation for the systems it administers up to date and follows established change procedures.EssentialDiploma or degree in computing, information systems or a related field, or equivalent experience. ▪ 2–4 years in IT support or system administration, with hands-on responsibility for servers and networks, not only end-user support. ▪ Working experience with Windows Server, Active Directory/Entra ID, Group Policy, DNS/DHCP and Microsoft 365 administration. ▪ Practical experience with virtualization (Hyper-V or VMware) and backup tools, including restores. ▪ Networking fundamentals: TCP/IP, VLANs, switching, Wi-Fi, VPN and firewall basics. ▪ Understanding of security basics: patching, endpoint protection, MFA, least-privilege access. ▪ Experience working with a service desk tool and following incident, request and change processes. ▪ Writes clear, accurate documentation and follows runbooks and SOPs consistently. ▪ Good troubleshooting method and attention to detail; able to work to SLAs and priorities. Clear communication with users and colleagues; willing to escalate promptly rather than sit on an issue.DesirableCertifications such as CompTIA A+/Network+, CCNA, Microsoft AZ-104 or MS-102, or ITIL Foundation. ▪ Basic PowerShell scripting. ▪ Exposure to Azure or other cloud platforms. ▪ Familiarity with server hardware (RAID, iDRAC/iLO) and UPS/server-room equipment. ▪ Experience with Linux servers.