3rd Line Support Engineer

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 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 msaid@pg-rec.com