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3rd line infrastructure engineer

som3 Recruitment
Infrastructure engineer
Posted: 14 September
Offer description

Overview

We’re looking for two experienced 3rd Line Infrastructure Engineers to join a dedicated support team in West Wiltshire. You’ll be responsible for managing incidents, problem resolution, and change requests across a secure, complex IT estate. This role involves a mix of hands-on technical work and incident ownership, ensuring SLAs are met and first-time fixes are maximised.


Key Responsibilities

* Provide 3rd line support for infrastructure incidents, service requests, and changes.
* Troubleshoot and resolve issues across hybrid server environments.
* Support secure key management systems (HSMs) including deployment, configuration, and maintenance.
* Contribute to incident and problem analysis, including root cause identification.
* Monitor and manage call queues, escalating where necessary.
* Work closely with other technical teams and adhere to security policies.
* Maintain accurate records in ITSM tools and contribute to SLA reporting.


Skills & Experience

* 5+ years supporting large-scale hybrid environments.
* Strong knowledge of Windows Server, Active Directory, Entra ID, VMware/Hyper-V.
* Hands-on experience with Thales Luna HSMs and PEDs (deployment, configuration, troubleshooting).
* Familiarity with ITIL processes (Incident, Request, Problem, Change).
* Confident communicator with excellent problem-solving skills.
* PowerShell scripting for automation and reporting.
* Current SC clearance (or eligibility to obtain).
* Experience in identity services (Authentication, Federation, Conditional Access).
* DNS/DHCP and networking services support.
* Microsoft Azure services and modern device management (Intune, Workspace One).
* Exposure to converged infrastructure and virtualisation platforms.


Seniority level

* Mid-Senior level


Employment type

* Full-time


Job function

* Information Technology


Industries

* Staffing and Recruiting

Clearance: SC clearance required (or willingness to obtain)

Package: Up to £60,000 + benefits

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