Senior Infrastructure Engineer - Hybrid Cloud & On-Prem

Fruition Group Ireland; Dublin; Hybrid; EUR 90,000 - 120,000; Full time

Job summary

Fruition Group Ireland is recruiting a Senior Infrastructure Engineer in Dublin on a permanent basis with a hybrid work model. You will lead hands-on Microsoft infrastructure across on‑premise, cloud and hybrid environments, delivering secure, resilient, and high-performance IT services while coordinating with stakeholders.

The role requires strong Windows Server, AD, DNS/DHCP, M365, Azure, and virtualization experience, plus PowerShell scripting for automation and operation improvements.

Qualifications

• Extensive hands-on Windows Server and Microsoft infrastructure experience.
• Strong Active Directory, Group Policy, DNS and DHCP knowledge.
• Experience managing Microsoft 365 including Exchange Online, SharePoint, Intune and Entra ID.
• Azure administration in hybrid environments.
• Experience with on-premise and cloud infrastructure across hybrid setups.
• PowerShell scripting and automation experience.

Responsibilities

• Manage, maintain, and support Microsoft infrastructure across on-premise and cloud.
• Administer Windows Server, Active Directory, Group Policy, DNS, and DHCP.
• Manage Microsoft 365 including Exchange Online, SharePoint, Intune, Entra ID.
• Administer Microsoft Azure in hybrid infrastructure environments.
• Manage virtualization via VMware and/or Hyper-V.
• Troubleshoot networking: TCP/IP, VLANs, VPNs, routing, switching, DNS, DHCP.
• Provide advanced L3 support for complex incidents and escalations.
• Implement infrastructure security controls: MFA, Conditional Access, endpoint security, firewalls, VPNs.
• Backup, disaster recovery, and business continuity processes.
• Develop PowerShell scripts to automate operations.
• Monitor performance, availability, capacity, and security; maintain documentation.

Tools

VMware

Hyper-V

Job description

Fruition Group Ireland is recruiting a Senior Infrastructure Engineer in Dublin on a permanent basis with a hybrid work model. You will lead hands-on Microsoft infrastructure across on‑premise, cloud and hybrid environments, delivering secure, resilient, and high-performance IT services while coordinating with stakeholders.

The role requires strong Windows Server, AD, DNS/DHCP, M365, Azure, and virtualization experience, plus PowerShell scripting for automation and operation improvements.