> Markdown version of [/jobs/ext/4642322-infrastructure-engineer](https://www.wearedevelopers.com/jobs/ext/4642322-infrastructure-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Infrastructure Engineer - **Company:** Oscar Associates (UK) Ltd - **Location:** London, United Kingdom - **Experience:** Experienced - **Salary:** £60,000 - £65,000 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, User Authentication, Microsoft Azure, Backup Devices, Cloud Computing, Dynamic Host Configuration Protocol, Disaster Recovery, Domain Name System (DNS), Failover Clustering, Github, Hyper-V, Identity and Access Management, Virtual Private Networks (VPN), Windows Servers, Networking Basics, Performance Tuning, Windows PowerShell, Azure Active Directory, Cloud Services, TCP/IP, Virtual Machines, Virtualization Technology, Scripting, Firewalls (Computer Science), Infrastructure Automation Frameworks, Information Technology, Bicep, Fortinet, Terraform, Vmware - **Published:** November 9, 2026 - **Apply:** https://www.reed.co.uk/jobs/infrastructure-engineer/57543909 ## About the Role Microsoft Azure, Problem Solving, * 3-5 years' experience working within an Infrastructure Engineer, Systems Administrator or similar position. * Strong hands-on experience with Microsoft Windows Server environments. * Practical experience administering Microsoft Azure, particularly virtual machines, networking, storage and identity services. * Experience managing Active Directory and Microsoft Entra ID. * Hands-on experience with Hyper-V virtualisation and Windows Failover Clustering. * Good understanding of networking fundamentals, including TCP/IP, DNS, DHCP, VPNs and firewalls. * Experience using PowerShell for scripting and infrastructure automation. * Strong troubleshooting skills, with the ability to investigate and resolve infrastructure issues independently. Desirable Experience * Experience with Fortinet firewall technologies. * Exposure to Infrastructure as Code tools such as Terraform, Bicep or ARM templates. * Familiarity with Azure DevOps or GitHub Actions and CI/CD pipelines. * Knowledge of backup, disaster recovery and infrastructure security best practices. * Familiarity with ISO 27001 or Cyber Essentials Plus., * Active Directory * Cloud Services & Infrastructure * Communication Skills * Infrastructure Management * Microsoft Azure * Microsoft Windows OS * Networking Skills * Problem Solving * VMware Administration and Virtualization * Windows Server Administration ## Description We are looking for an Infrastructure Engineer to join a growing technology team in London, supporting and developing a Microsoft-based hybrid infrastructure environment. The role will focus on maintaining and improving on-premises Windows Server infrastructure alongside Microsoft Azure services. You will work across cloud infrastructure, virtualisation and identity management, ensuring systems remain secure, reliable and highly available. This is a hands-on opportunity for an Infrastructure Engineer with a strong Microsoft infrastructure background who is looking to develop their Azure expertise and take greater ownership of the systems they support., * Administer and maintain Windows Server infrastructure across on-premises and Azure environments. * Manage Active Directory and Microsoft Entra ID, including identity synchronisation, authentication and access management. * Support Microsoft Azure infrastructure, including virtual machines, networking, storage and identity services. * Maintain Hyper-V virtualisation environments, including Windows Failover Clustering and performance optimisation. * Monitor infrastructure performance, investigating and resolving server, networking and connectivity issues. * Manage infrastructure patching, upgrades, maintenance and security improvements. * Develop PowerShell scripts to automate routine administration and improve operational efficiency. * Support infrastructure resilience, including backup, disaster recovery and availability processes. * Work alongside development teams to support application hosting and infrastructure deployments.