A leading and highly successful trading firm in London is looking for a Senior Windows Engineer with a deep understanding of Windows on-premise, cloud, and automation technologies. This person will be responsible for working on company-wide projects, managing and optimising their systems, and automating with PowerShell and infrastructure as code tools where possible. Required Skills and Experience: Windows Server and Desktop environments (2016/2019/2022, Windows 10/11). Active Directory, Group Policy, DNS, DHCP, and related services. PowerShell scripting and automation. VMware InTune, Azure and Azure AD/Entra ID Knowledge of infrastructure-as-code tools (e.g., Terraform, Ansible).