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Systems Administrator – IT Infrastructure & Cloud

Fruition Group Ireland · Dublin

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Active Directory Azure Active Directory DNS DHCP Group Policy Microsoft 365 Exchange Online Intune Teams SharePoint OneDrive SQL Server Switching Routing Wireless VPN Cybersecurity tools Endpoint protection Patching solutions Firewall technologies

Description du poste

About the role

We are seeking a Systems Administrator to join a well‑established IT function supporting a dynamic professional services organisation in Dublin city centre. You will be responsible for maintaining and enhancing core infrastructure, cloud platforms, networking, and security systems across the business.

Key responsibilities

  • Administer Windows Server (2019+) environments on‑premise and in the cloud.
  • Manage Active Directory, Azure AD, DNS, DHCP, and Group Policy.
  • Support Microsoft 365 services including Exchange Online, Intune, Teams, SharePoint, and OneDrive.
  • Maintain SQL Server platforms and related databases.
  • Provide networking support, including switching, routing, wireless, VPN, and AV meeting‑room systems.
  • Oversee cybersecurity tools, endpoint protection, patching solutions, and firewalls.
  • Monitor infrastructure performance, handle upgrades, deployments, and lifecycle management.
  • Assist with security controls, audit reviews, access management, and infrastructure hardening.

Required profile

  • Proven experience with Windows Server and Azure environments.
  • Strong knowledge of Active Directory, Azure AD, and Microsoft 365 suite.
  • Hands‑on experience with SQL Server and enterprise networking.
  • Familiarity with cybersecurity and firewall technologies.
  • Ability to manage multiple priorities in a fast‑paced environment.

Required skills

  • Windows Server 2019+
  • Active Directory & Azure Active Directory
  • DNS, DHCP, Group Policy
  • Microsoft 365 (Exchange Online, Intune, Teams, SharePoint, OneDrive)
  • SQL Server
  • Enterprise networking (switching, routing, wireless, VPN)
  • Cybersecurity tools & endpoint protection
  • Patching solutions
  • Firewall technologies
  • AV and meeting‑room systems

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Fruition Group Ireland

Dublin