Systems Administrator (Intermediate)

We are seeking an experienced Systems Administrator (Intermediate) to administer, maintain, secure, and support enterprise Windows Server infrastructure, Active Directory, virtualization platforms, backup and disaster recovery systems, and Microsoft cloud services.

The ideal candidate will have hands-on experience with Windows Server 2019/2022, Active Directory, Hyper-V, PowerShell automation, Microsoft Entra ID, and Exchange Online. The role involves maintaining infrastructure availability, performing system patching, supporting disaster recovery readiness, implementing security controls, and troubleshooting issues across hybrid on-premises and cloud environments.

• Administer, maintain, and troubleshoot Windows Server 2019 and Windows Server 2022 environments.
• Manage Active Directory domain controllers, user accounts, security groups, Group Policy, authentication, and access permissions.
• Support Windows Server services, including DNS, DHCP, IIS, and other infrastructure components as applicable.
• Administer Hyper-V 2019/2022 virtualization environments and Azure Stack HCI infrastructure, including virtual machines, cluster health, resource allocation, and failover.
• Perform regular operating system patching, security updates, maintenance activities, and post-patch validation.
• Manage backup operations, monitor backup success and failures, and support recovery testing and disaster recovery exercises.
• Support data replication and recovery readiness between primary and secondary datacentres, along with off-site backup arrangements.
• Develop and maintain PowerShell scripts to automate routine administration, monitoring, reporting, and maintenance tasks.
• Administer Microsoft Entra ID and support hybrid identity, authentication, access management, and related cloud identity services.
• Support Microsoft Azure services and troubleshoot issues affecting hybrid infrastructure.
• Administer Microsoft 365 and Exchange Online, including mailboxes, permissions, mail flow, and service troubleshooting.
• Support Microsoft Intune for endpoint configuration, device management, and compliance policies.
• Assist with Microsoft Defender for Servers Plan 1 and Microsoft Purview Data Loss Prevention (DLP) policies, monitoring, and security-related investigations.
• Administer and troubleshoot IIS 10 or later, including application pools, website availability, bindings, certificates, and application connectivity.
• Investigate system incidents, perform root cause analysis, document resolutions, and implement preventive measures.
• Maintain system documentation, infrastructure inventories, configuration records, operational procedures, and disaster recovery documentation.
• Follow established change management, security, access control, and IT service management procedures.
• Collaborate with infrastructure, security, application, and vendor teams to maintain reliable and secure IT operations.
  

• 4–7 years of experience in systems administration, infrastructure operations, or Windows Server administration.
• Strong hands-on experience with Windows Server 2019/2022 and Active Directory administration.
• Practical experience with Hyper-V virtualization, including virtual machine management and troubleshooting.
• Experience with server patching, security updates, system maintenance, and change management.
• Working knowledge of backup operations, disaster recovery testing, recovery procedures, and replication concepts.
• Experience using PowerShell to automate routine systems administration tasks.
• Experience with Microsoft Entra ID and hybrid identity administration.
• Working experience administering Exchange Online and Microsoft 365 services.
• Familiarity with IIS administration and troubleshooting.
• Understanding of enterprise infrastructure security, access management, monitoring, and incident management.
• Strong troubleshooting, analytical, documentation, and communication skills.

• Microsoft Certified: Windows Server Hybrid Administrator Associate (AZ-800/AZ-801).
• Microsoft Certified: Azure Administrator Associate (AZ-104).
• Microsoft 365 Certified: Administrator Expert (MS-102-related certification pathway).
• Experience supporting hybrid infrastructure across on-premises datacentres and Microsoft Azure.
• Experience with high-availability configurations, datacentre failover, and disaster recovery planning.
• Experience supporting enterprise or public-sector IT environments.