3rd Line Infrastructure Engineer (Contract)
Location: Kent (Onsite – 5 days per week)
Start Date: ASAP
Contract Type: 2-3 Month Contract (Outside IR35)
Day Rate: £250-£275 per day
Key Requirements
* Available to start immediately
* Able to work onsite in Kent, 5 days per week
* Comfortable acting as a senior escalation point from day one
Overview
We are seeking a 3rd Line Infrastructure Engineer to join on an immediate contract basis, supporting core infrastructure and acting as a key escalation point within the IT team.
A primary function of this role will be handling escalations, taking ownership of complex issues from 1st and 2nd line teams, and driving them through to resolution.
This is a hands-on role requiring strong experience across Microsoft technologies, virtualisation, and networking, with a focus on maintaining stability and supporting ongoing improvements.
Key Responsibilities
* Act as the main escalation point for complex infrastructure and support issues
* Take ownership of escalated tickets from 1st and 2nd line teams through to resolution
* Troubleshoot and resolve high-priority / business-critical incidents
* Support and maintain Windows Server environments
* Administer Microsoft 365 (Exchange Online, SharePoint, Teams)
* Manage Hyper-V environments
* Provide support across Linux systems where required
* Support network infrastructure, including switching and firewalls
* Work with WatchGuard firewalls (VPNs, rules, troubleshooting)
* Support Aruba / HP switching (VLANs, configuration, troubleshooting)
* Operate within ISO27001 security standards
* Follow ITIL v4 processes (incident, problem, change)
* Assist with ongoing infrastructure improvements and project work
Key Skills & Experience
* Experience in a 3rd Line or strong escalation-focused infrastructure role
* Proven ability to handle and resolve complex escalations
* Strong knowledge of Windows Server
* Experience with Microsoft 365 / Azure AD (Entra)
* Hands-on experience with Hyper-V
* Basic to intermediate Linux support
* Good networking knowledge (TCP/IP, DNS, DHCP, VLANs, VPNs)
* Experience with WatchGuard
* Experience with Aruba / HP switching
If this sounds like something you excel in, apply now or ping an email over to