3rd Line IT Support / Infrastructure

3rd Line IT Support & Infrastructure Specialist

Location: Gillingham, Kent Hours: Monday–Friday, 08:30–17:00 Salary: Up to £50,000 (DOE)

The Opportunity

A multi-site UK organisation is seeking an experienced 3rd Line IT Support & Infrastructure Specialist to take ownership of its IT infrastructure and play a key role in hybrid technology improvements across the business.

The Role

Provide 3rd line BAU support across multiple UK locationsLead and support infrastructure projects (server builds, M365 migrations, DR, networking)Manage Microsoft 365 environments (Exchange, SharePoint, Teams, Azure, Entra ID)Support backup and recovery solutions (Veeam / Backup Exec)Work with third-party suppliers and internal stakeholdersMentor 1st/2nd line engineersSupport cyber security initiatives and infrastructure documentation

Key Skills & Experience

5+ years’ experience in a 3rd line / senior infrastructure roleStrong Windows Server experience (2012–2025)Microsoft 365 & Azure administrationActive Directory & Entra IDNetworking fundamentals (DNS, DHCP, VPNs, VLANs)Virtualisation (Hyper-V)ITIL experience preferred

Benefits

Competitive salaryGenerous holiday allowancePension schemeHealth & wellbeing supportTraining, development & career progressionOn-site parking & employee discounts

The client is looking to fill this opportunity immediately, so please apply ASAP or feel free to drop me an email with any questions to owen @ serlimited . com.

SER-IN