3rd Line IT Infrastructure Engineer in Caerphilly

Job Description

Bristow Holland is working with a well‑established, international organisation to recruit an experienced 3rd Line Infrastructure Engineer. This is an exciting opportunity to join a growing business with a complex, enterprise‑level IT environment spanning multiple locations across Europe.

You’ll play a key role in supporting, optimising, and delivering both on‑premise and cloud‑based infrastructure, working on a mix of BAU support and project delivery.

The Role:

• Administer and optimise a Microsoft‑based infrastructure across a multi‑site environment
• Take ownership of complex troubleshooting across networking, servers, and virtual environments
• Act as the escalation point for high‑level technical issues
• Manage and support enterprise compute and storage platforms
• Deliver infrastructure projects end‑to‑end, from design through to implementation and documentation
• Support and enhance security across the infrastructure estate

Key Skills & Experience:

• Proven experience in a 3rd Line / Infrastructure Engineer role within an enterprise environment
• Strong networking knowledge (TCP/IP, DNS, DHCP, VPNs, firewalls)
• Experience with Active Directory and Microsoft environments
• Strong virtualisation experience (VMware vSphere, vCenter, Hyper‑V)
• Experience with enterprise storage and backup solutions (e.g. SAN/NAS, Veeam)
• Exposure to Microsoft 365, Azure, and hybrid environments
• Excellent troubleshooting skills and ability to work under pressure

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