IT Infrastructure Engineer
Location: Limerick, Ireland
Reporting to: IT Infrastructure Team Lead
About the Role
We are seeking an experienced IT Infrastructure Engineer to join our team, supporting a hybrid IT environment across project sites and central systems. This role is critical to ensuring the reliability, security, and performance of both on‑premise and cloud‑based infrastructure. You will work across a mix of physical infrastructure, Microsoft Azure, and network connectivity to support business operations across geographically distributed locations.
Key Responsibilities
Infrastructure Deployment & Support – Install, configure, and maintain on‑site IT infrastructure including routers, switches, firewalls, and servers
Set up and manage site IT environments, including connectivity, wireless networks, and end‑user equipment
Support commissioning of IT infrastructure for new project sites
Deploy and manage Azure resources (Virtual Machines, networking, storage)
Support and troubleshoot hybrid environments connecting on‑premise infrastructure to Azure
Manage and maintain Azure VPN connectivity for secure remote access
Monitor and optimise performance of cloud infrastructure
Troubleshoot network and connectivity issues across multiple locations
Ensure resilient, secure connectivity between project sites and central systems
Work with ISPs and third‑party providers to maintain network uptime
Diagnose and resolve hardware, software, and infrastructure issues
Perform patching, upgrades, and lifecycle management of IT systems
Monitor system performance, availability, and security across environments
Implement and maintain security best practices across infrastructure
Collaborate with internal security teams to meet compliance requirements
Support backup, restore, and disaster recovery processes
Track IT assets and maintain accurate inventory
Produce and maintain technical documentation for systems and solutions
Contribute to reporting on system health, usage, and incidents
Work closely with internal IT teams, project managers, and site personnel
Provide hands‑on support and guidance to end users when required
Engage with vendors and support providers to resolve issues efficiently
Required Skills & Experience
Strong experience supporting on‑premise infrastructure (servers, networking, end‑user devices)
Proven experience working with Microsoft Azure (VMs, networking, storage)
Experience in hybrid environments (on‑prem + cloud connectivity)
Solid networking knowledge (routing, switching, firewalls, VPNs)
Experience troubleshooting complex infrastructure and connectivity issues
Desirable
Experience with Azure networking (VPN / ExpressRoute)
Exposure to automation or scripting (e.g. PowerShell, Azure tools)
Understanding of infrastructure security best practices
Personal Attributes
Strong problem‑solving and troubleshooting skills
Ability to work independently across multiple sites
Clear communicator with both technical and non‑technical stakeholders
Organised, with good documentation and reporting discipline
Flexible and adaptable in a project‑driven environment
What We Offer
Opportunity to work in a modern hybrid cloud environment
Exposure to large‑scale, multi‑site infrastructure projects
Career progression within a growing engineering organisation
Competitive salary and benefits package
Additional Information
This role involves travel to project sites across Ireland
A full driving licence is required
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