Responsibilities

• Administer and maintain Windows Server 2016, 2019, and 2022 environments.
• Perform server installation, configuration, patching, maintenance, backup checks, and troubleshooting.
• Monitor server health, performance, availability, and capacity.
• Support server upgrades, system refreshes, and lifecycle management activities.
• Analyse system logs, event logs, and performance data to identify and resolve technical issues.
• Maintain technical documentation, operational procedures, and configuration records.

• Manage and maintain Active Directory Domain Services, including user accounts, security groups, organisational units, permissions, and domain access.
• Administer and troubleshoot Group Policy Objects to enforce security settings, configuration standards, and operational requirements.
• Manage and support DNS services, including name resolution, zone management, records, replication, and troubleshooting.
• Support related core infrastructure services such as DHCP, Certificate Authority, authentication, and access control.
• Ensure Active Directory, DNS, and Group Policy configurations are secure, reliable, and properly documented.

• Apply security updates, server patches, and configuration changes in line with organisational standards.
• Perform server hardening and support vulnerability remediation activities.
• Review system and security logs to identify potential risks, misconfigurations, or suspicious activities.
• Ensure server, Active Directory, DNS, and Group Policy configurations comply with internal security policies and audit requirements.
• Support audit preparation, compliance reporting, and remediation of security findings.

• Provide Level 2 and Level 3 support for Windows server and infrastructure-related incidents. 
• Troubleshoot issues involving servers, Active Directory, DNS, Group Policy, authentication, and access control. 
• Perform root cause analysis for recurring or complex technical problems. 
• Work with application, network, security, and service management teams to restore services and prevent recurrence. 
• Support change management activities, including planning, implementation, validation, and post-change review.
• Work with security teams to address risks, resolve audit or vulnerability findings, and improve the organisation’s overall security posture.

• Develop and maintain PowerShell scripts to automate routine administrative tasks. 
• Automate activities such as health checks, reporting, patch validation, log review, and account administration. 
• Identify opportunities to improve operational efficiency, system reliability, and support processes. 
• Contribute to infrastructure improvement, system integration, and modernisation initiatives.

Requirements

• Strong hands-on experience in Windows Server 2016, 2019, and/or 2022 administration. 
• Experience managing Active Directory, DNS, Group Policy, DHCP, and Certificate Authority services. 
• Good understanding of domain services, authentication, access control, and name resolution. 
• Experience with server build, configuration, patching, backup, monitoring, and troubleshooting. 
• Ability to provide L2/L3 infrastructure support and resolve escalated technical issues. 
• Working knowledge of server hardening, patch management, vulnerability remediation, and compliance requirements. 
• PowerShell scripting experience for automation and operational support. 
• Familiarity with IT service management processes such as incident, problem, change, and request management.
• Strong troubleshooting, documentation, and communication skills.