Windows Engineer

Tatton Recruitment; Stevenage; On-site; GBP 60,000 - 90,000; Full time

Job summary

Tatton Recruitment seeks a 12-month Windows Engineer to provide BAU support across restricted secret networks in Stevenage. The role spans Infrastructure and Workplace Windows environments, with Tier 2/3 escalation and proactive incident management on a site-based, 37-hour week contract.

The candidate will maintain asset registers, update knowledge bases, and coordinate patching with minimal operational impact. IR35 umbrella arrangement applies; security posture remains paramount.

Qualifications

• Must hold DV clearance.
• Experienced Windows Engineer with the ability to work across 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.

Skills

DV clearance

Windows OS

Windows Server

VDI

AD & access management

Networking principles

Troubleshooting

Workplace IT

Tools

Storage solutions

Monitoring tools

Job description

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 36 week of 2026