Red Kite Ireland has a superb new contract opportunity for an experienced System Admin with 5 years relevant experience.Job Title: Active Directory AdministratorLocation: Hybrid (3 days on-site in Dublin)Reporting To: AD Administration Team LeadRole Overview:We are seeking an experienced Active Directory Administrator to join our AD Administration Team, working exclusively with a large public sector body. This hybrid role involves close collaboration with department staff and focuses on the day-to-day administration, support, and enhancement of the Active Directory infrastructure.Key Responsibilities:• Administer and support Active Directory infrastructure, including:o Active Directory Certificate Services (ADCS)o Certificate-based authentication and enrolmento Encrypting File System (EFS)o Kerberos authenticationo SSL/TLS configuration• Manage and maintain core services:o Microsoft Active Directoryo DHCPo Windows Server Update Services (WSUS)o Windows File Server• Design, implement, and troubleshoot Group Policies (GPO)• Maintain a large DNS environment with multiple zones• Build and deploy laptops and desktops using Windows Deployment Services (WDS)• Develop Bash and PowerShell scripts for automation, software deployment, and reporting• Implement and manage Hybrid Active Directory deployments, Single Sign-On (SSO), Microsoft Entra ID, Microsoft Teams and Microsoft Intune• Monitor system performance and event logs for system and security issues• Perform in-place upgrades of Windows Server environments• Collaborate with cross-functional teams to improve server infrastructure• Provide remote and on-site support to IT users, including documentation and procedural guidanceCandidate Requirements:• Minimum 5 years' experience as a Systems Administrator• Microsoft certifications such as MCSA, MCSE, or MCITP Server Administrator• Strong expertise in:o Active Directory, DHCP, GPOs, WSUS, Windows File Servero Windows Deployment Services (WDS)o Bash and PowerShell scriptingo Hybrid AD, SSO, Teams administration, Microsoft Entra ID, and Intune• Proven ability to troubleshoot and optimize server infrastructure• Excellent communication and collaboration skillsRole starts in ASAP. Day rates will apply dependant on experience.Candidates must have full authorisation to work in Ireland.Apply today for more.