3rd Line Infrastructure Engineer

3rd Line Infrastructure Engineer - SC Cleared Location: Wiltshire (full-time, onsite) Clearance: SC clearance required (or willingness to obtain) Package: Up to £60,000 benefits 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 Essential 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). Desirable Experience in identity services (Authentication, Federation, Conditional Access). DNS/DHCP and networking services support. Microsoft Azure services and modern device management (Intune, Workspace One). Relevant certifications (e.g. AZ-800/801, SC-300). Exposure to converged infrastructure and virtualisation platforms

Location: Wiltshire, GB

Posted Date: 9/14/2025