https://jobs.co.uk/job/it-infrastructure-and-systems-administrator-4square-recruitment-ltd--c599b45b-23db-41c6-94ba-71c8c4159e5d RSS feed for IT Infrastructure and Systems Administrator at 4Square Recruitment Ltd. en-gb Wed, 20 May 2026 19:34:12 GMT https://jobs.co.uk/job/it-infrastructure-and-systems-administrator-4square-recruitment-ltd--c599b45b-23db-41c6-94ba-71c8c4159e5d https://jobs.co.uk/job/it-infrastructure-and-systems-administrator-4square-recruitment-ltd--c599b45b-23db-41c6-94ba-71c8c4159e5d Wed, 20 May 2026 11:53:18 GMT Location: London | Salary: 35000.00-35000.00 Annual | Type: Temporary | IT Infrastructure and Systems AdministratorCentral London Hybrid Working6-month FTC Full TimeThis is a 6 month fixed term contractWe are working with a well-established multi-site organisation seeking an experienced IT Infrastructure and Systems Administrator to join a collaborative internal technology team.This role will suit someone with strong Microsoft infrastructure experience who enjoys supporting a mixed on-prem and cloud environment, contributing to ongoing systems improvement projects, and acting as an escalation point for technical issues.Key ResponsibilitiesSupport and maintain core Microsoft server and cloud environmentsAdminister Active Directory, Group Policy, DNS, DHCP and related servicesManage Microsoft 365 technologies including Exchange Online and Azure ADSupport virtualised infrastructure environmentsAssist with systems upgrades, deployments and patch managementMaintain endpoint management platforms and device administrationSupport business-critical applications and operational systemsMonitor backups, system health and infrastructure performanceProvide third-line technical support across the organisationContribute to documentation, security best practice and pro... Temporary