Senior Windows Systems Administrator — AD, Exchange & GPO Pro

Global Relay is seeking a Senior Windows Administrator to lead design, deployment, and support of Windows environments, focusing on Exchange, Active Directory, and desktop management. The role collaborates with Operations, Security, and IT teams to ensure high availability and robust incident response.

Office-based, with minimum 3 days in the UK office per week; training may require more time onsite. Visa sponsorship unavailable; must have right to work in the UK.