Salary: £? - ? per year Requirements:

Must hold DV clearance.
Experienced Windows Engineer with the ability to work comfortably across both Infrastructure and Workplace.
Hands-on skills and in-depth expertise across Windows Server, Windows OS, and Desktop Applications.
Experience with virtualisation platforms, including VDI.
Experience with storage solutions.
Experience with AD and access management.
Knowledge of networking principles.
Excellent troubleshooting skills.

Responsibilities:

Provide operational BAU support, administration, and configuration management across Infrastructure and Workplace Windows environments in restricted secret and above networks.
Maintain a good working knowledge of our business IT environment.
Plan and coordinate maintenance and patching across the Windows environments in restricted secret and above networks.
Access and implement changes to the restricted Windows environment, ensuring minimal disruption to operations.
Create, maintain, and audit inventory information and asset registers as required.
Create, maintain, and review comprehensive, high-quality documentation as required.
Create and maintain standard problem resolution and fix documentation to keep technical knowledge bases up to date.
Resolve incidents related to Windows Services across restricted secret and above networks in line with agreed SLAs and escalation processes.
Act as Tier 2 / Tier 3 support for Windows-related issues and problem resolution, including incident response, investigation, and remediation within SLA timeframes.
Coordinate with incident and technical managers during high-severity incidents.
Identify root causes of recurring incidents and assist in implementing long-term solutions.
Participate in lessons learned activities, conduct root cause analysis, and document findings as part of our continuous improvement cycle.
Ensure update and closure of all incidents and requests assigned to the team queue in accordance with SLA.
Stay current with developments in Windows technologies, products, practices, and trends.
Support monitoring and alerting across restricted secret and above networks, responding proactively to alerts and implementing threshold and health-based remediation actions as appropriate.
Monitor and optimise network/server performance, security, and backups.
Ensure compliance with security guidance and best practice in line with our adopted security postures.
Interface with agreed third-party service providers for assistance, technical support, troubleshooting, and network management, and provide technical guidance to suppliers.
Bring forward key issues, changes, and topics to service meetings for discussion.
Participate in cross-functional team collaboration as required.

Technologies:

Support
Network
Security
Windows
Incident Management

More:

We are a world-class defence organisation recruiting 2x Windows Engineer subcontractors on an initial 12-month contract. This is a 37-hour-per-week role based in Stevenage, with overtime paid at time and a quarter for hours worked over 37 per week. The contract is initially 12 months with the potential for ongoing, long-term work. This role is inside IR35 (umbrella) and is 100% site-based due to the nature of the network. Our Digital Excellence function provides IT services to the business.

last updated 44 week of 2026

Windows Engineer

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