Windows Engineer / DV Cleared / £74.00 p/h (inside IR35)

Endeavour Recruitment; Stevenage; On-site; GBP 65,000 - 90,000; Full time

Job summary

Endeavour Recruitment is seeking an experienced Windows Engineer to support Infrastructure and Workplace Windows environments within restricted networks. The role requires active DV clearance and site-based work to maintain secure, resilient services.

You will handle BAU tasks, incident resolution, patching, monitoring and continuous improvement while aligning with security guidance and third-party partners.

Qualifications

• DV clearance is essential for project scope.
• Broad Windows infrastructure experience across both server and workplace environments.
• Experience with AD, virtualization (VDI) and storage technologies.
• Strong networking understanding and incident/change/problem management exposure.

Responsibilities

• Provide BAU support, administration and configuration across Windows Infrastructure and Workplace environments.
• Coordinate Windows maintenance and patching with minimal business disruption.
• Implement approved changes in restricted Windows environments.
• Provide Tier 2/3 support for incidents, including investigation and remediation.

Skills

Active DV clearance

Windows Server

AD & Access Management

VDI / Virtualisation

Storage solutions

Windows OS & desktop apps

Networking basics

Incident management

Problem solving

Documentation

Job description

We are seeking an experienced Windows Engineer to join a Digital Excellence function providing critical IT services across highly secure environments. Due to the restricted nature of the network and the requirements of the project, candidates must hold active Developed Vetting (DV) security clearance.

The Role

As a Windows Engineer, you will provide operational BAU support, administration, configuration and technical expertise across Infrastructure and Workplace Windows environments within Restricted Secret and above networks.

You will operate as a Tier 2 / Tier 3 technical resource, supporting incident resolution, maintenance, patching, monitoring and continuous improvement while ensuring services remain secure, resilient, and compliant.

Key Responsibilities

• Provide BAU operational support, administration and configuration management across Windows Infrastructure and Workplace environments.
• Plan and coordinate Windows maintenance and patching activities with minimal disruption to operations.
• Implement approved changes across restricted Windows environments.
• Provide Tier 2 / Tier 3 support for Windows-related incidents, including investigation, remediation and incident response.
• Troubleshoot and resolve incidents within agreed SLAs, escalating where appropriate.
• Support high-severity incident management and coordinate with Incident and Technical Managers.
• Identify recurring issues and underlying root causes, contributing to long-term solutions.
• Conduct root cause analysis and participate in lessons-learned and continuous improvement activities.
• Maintain accurate asset registers, inventory information and technical documentation.
• Create and maintain technical knowledge articles, standard fixes and problem-resolution documentation.
• Support monitoring and alerting across Restricted Secret and above networks, responding proactively to alerts and health-based remediation requirements.
• Monitor and optimise server/network performance, security and backup environments.
• Ensure compliance with security guidance, technical standards and adopted security postures.
• Work with third-party service providers on troubleshooting, technical support and network management.
• Provide technical guidance to suppliers and contribute to service meetings and cross-functional initiatives.
• Maintain current knowledge of Windows technologies, products, practices and industry trends.

Essential Skills & Experience

• Active DV security clearance – essential due to the nature of the project.
• Proven experience as a Windows Engineer, ideally with a broad generalist background across both Infrastructure and Workplace environments.
• Strong hands‑on experience with:
  • Windows Server
  • Windows OS and Desktop Applications
  • Active Directory (AD) and Access Management
  • Virtualisation platforms, including VDI
  • Storage solutions
  • Windows infrastructure and workplace technologies
• Good understanding of networking principles.
• Excellent troubleshooting, analytical and problem-solving skills.
• Experience supporting secure or highly restricted IT environments.
• Strong understanding of incident, change and problem management processes.
• Ability to work independently while collaborating effectively with technical teams, service managers and third-party suppliers.

Important Information

• This is a 100% site-based position due to the nature and security requirements of the network. Candidates must already hold active DV clearance to be considered for the role.