Senior 3rd-Line Windows Infrastructure Engineer

Akkodis; Nottingham; Hybrid; GBP 42,000 - 52,000; Full time

Job summary

Modis is seeking a 3rd Line Infrastructure Support Analyst to join a hybrid UK team supporting large-scale Windows-based infrastructure. The role emphasizes resolving incidents, performing root-cause analysis, and implementing changes to meet service levels.

You will provide expert support across identity, authentication, and Windows server technologies, while mentoring colleagues and contributing to continuous service improvement. UK security clearance experience is advantageous.

Qualifications

• Significant experience supporting large-scale enterprise or hybrid infrastructure environments.
• Strong expertise in Windows Server, Active Directory, Entra ID, and virtualization platforms.
• Experience with authentication, access management, and identity services is essential.

Responsibilities

• Investigate, troubleshoot, and resolve complex infrastructure incidents.
• Ensure service levels and operational targets are achieved.
• Drive improvements in first-time fix rates and customer satisfaction.
• Support Windows Server, Active Directory, Entra ID, and virtualization platforms.
• Perform root cause analysis and contribute to problem management activities.
• Assist with technical escalations and mentor colleagues.

Skills

Windows Server

Active Directory

Entra ID

VMware

Hyper-V

PowerShell

ITIL

DNS

Group Policy

Scripting

Tools

Ivanti

Job description

Modis is seeking a 3rd Line Infrastructure Support Analyst to join a hybrid UK team supporting large-scale Windows-based infrastructure. The role emphasizes resolving incidents, performing root-cause analysis, and implementing changes to meet service levels.

You will provide expert support across identity, authentication, and Windows server technologies, while mentoring colleagues and contributing to continuous service improvement. UK security clearance experience is advantageous.