Senior Windows Engineer - Secure Environments (DV)

Endeavour Recruitment; Stevenage; On-site; GBP 50,000 - 70,000; Full time

Job summary

Endeavour Recruitment is seeking an experienced Windows Engineer to join our Digital Excellence function on a 100% site-based basis near Stevenage. The role requires DV clearance and hands-on experience across Windows Server, AD, and workplace technologies.

You will provide BAU support, coordinate patches, and work with third-party suppliers to maintain secure, high-availability IT services within Restricted Secret networks.

Qualifications

• DV security clearance is essential for this site-based role.
• Proven Windows Server experience with enterprise deployments.
• Strong hands-on Windows OS and desktop apps experience.
• AD and Access Management expertise.
• Experience with virtualization including VDI.
• Storage solutions experience.
• Good networking understanding.
• Excellent troubleshooting and problem-solving skills.
• Experience in secure/restricted IT environments.
• Knowledge of incident, change and problem management.
• Ability to work independently and with cross-functional teams.

Responsibilities

• Provide BAU operational support across Windows Infrastructure and Workplace environments.
• Coordinate Windows maintenance and patching with minimal disruption.
• Implement changes across restricted Windows environments.
• Provide Tier 2 / Tier 3 support for Windows-related incidents.
• 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.
• 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.
• 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.

Skills

Windows OS & Desktop Apps

AD & Access Management

Virtualisation (VDI)

Storage solutions

Networking basics

Troubleshooting & problem-solving

Independent with collaboration

Tools

Active Directory

Incident & Change Management

Server management tooling

Backup & recovery

Job description

Endeavour Recruitment is seeking an experienced Windows Engineer to join our Digital Excellence function on a 100% site-based basis near Stevenage. The role requires DV clearance and hands-on experience across Windows Server, AD, and workplace technologies.

You will provide BAU support, coordinate patches, and work with third-party suppliers to maintain secure, high-availability IT services within Restricted Secret networks.