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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Infrastructure Windows Engineer - SC Cleared - **Company:** Lorien - **Location:** London, UK - **Contract:** Temporary contract - **Skills:** Microsoft Windows, Active Directory, Microsoft Azure, Cloud Computing, Cyber Security, Dynamic Host Configuration Protocol, Domain Name System (DNS), Github, Microsoft Software, System Center Configuration Manager, Windows Servers, Windows PowerShell, Ansible, VMware VSphere, Software Vulnerability Management, HybridCloud, Microsoft InTune, SC Clearance, Infrastructure Automation Frameworks, Patch Management, Cloud Migration, Terraform, Vmware - **Published:** October 3, 2026 - **Apply:** https://www.reed.co.uk/jobs/infrastructure-windows-engineer-sc-cleared/57416960 ## About the Role You'll be an experienced infrastructure professional with a strong engineering mindset and a passion for delivering resilient enterprise-scale solutions. Essential Experience * Extensive experience supporting Microsoft Windows Server environments. * Strong expertise in Active Directory, Group Policy, DNS, and DHCP. * Advanced PowerShell scripting and automation skills. * Experience supporting VMware vSphere and virtualisation technologies. * Strong understanding of enterprise infrastructure architecture and operational support. * Experience delivering patch management, security remediation, and system lifecycle management. * Excellent troubleshooting skills within complex production environments. * Knowledge of security controls, risk management, and infrastructure resilience. * Experience working within ITIL-aligned service management frameworks. * Must have an active SC Clearance Desirable Experience * Microsoft Azure and hybrid cloud technologies. * SCCM/MECM and Microsoft Intune. * Azure DevOps, GitHub, and infrastructure automation tooling. * Ansible, Terraform, or Infrastructure-as-Code practices. * Financial services or other highly regulated industry experience. * Exposure to cyber security frameworks and regulatory compliance requirements. ## Description This is an opportunity to join a organisation where infrastructure is treated as a strategic capability. You'll work alongside highly skilled engineering teams, supporting business-critical platforms while contributing to modernisation, automation, security, and cloud transformation initiatives. The Opportunity As an Infrastructure Windows Engineer, you will be responsible for the design, support, optimisation, and continuous improvement of the Microsoft infrastructure estate. Operating within a complex and highly regulated environment, you'll play a key role in ensuring the stability, security, and availability of core services that underpin critical banking operations. This role offers exposure to large-scale enterprise technologies, infrastructure transformation programmes, and industry-leading security practices., * Administer and support large-scale Windows Server environments across production and non-production platforms. * Manage core Microsoft technologies including Active Directory, Group Policy, DNS, DHCP, and certificate services. * Support and optimise VMware and virtualised infrastructure environments. * Drive infrastructure automation through PowerShell and other scripting technologies. * Deliver security hardening, vulnerability remediation, patching, and compliance activities. * Troubleshoot and resolve complex infrastructure incidents, conducting root cause analysis and implementing preventative measures. * Collaborate with Security, Cloud, Network, and Engineering teams on infrastructure enhancements and strategic projects. * Participate in major technology upgrades, platform migrations, and transformation initiatives. * Ensure infrastructure services meet stringent availability, resilience, and regulatory requirements. * Produce and maintain high-quality technical documentation and operational procedures. * Contribute to continuous improvement initiatives and engineering best practices. ## Related Videos - [Dev & Test in the Cloud? 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