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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 locations

Lead 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 stakeholders

Mentor 1st/2nd line engineers

Support cyber security initiatives and infrastructure documentation

Key Skills & Experience

5+ years’ experience in a 3rd line / senior infrastructure role

Strong Windows Server experience (2012–2025)

Microsoft 365 & Azure administration

Active Directory & Entra ID

Networking fundamentals (DNS, DHCP, VPNs, VLANs)

Virtualisation (Hyper-V)

ITIL experience

Benefits

Competitive salary

Generous holiday allowance

Pension scheme

Health & wellbeing support

Training, development & career progression

On-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

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