Infrastructure Architect Must have an Active DV Clearance Join a high performing Defence and National Security team as an Infrastructure Architect, where you will lead the design and delivery of secure, large scale infrastructure solutions across mission critical environments. This is a hands-on architectural role supporting a multi skilled agile team and engaging directly with senior stakeholders. About the Role - Infrastructure Architect As an Infrastructure Architect, you will own the delivery of technical proposals and ensure all solutions remain aligned to the customer's strategic vision. You will work across security, service, and management functions, supporting collaboration and ensuring architectural integrity throughout the delivery lifecycle. The role involves managing third parties, overseeing change requests, and ensuring that all design decisions support a consistent and compliant solution. You will engage with senior customer stakeholders and work across business functions to refine and define infrastructure requirements. What We're Looking For - Infrastructure Architect Strong client facing experience with the ability to communicate technical concepts to senior executives. Extensive knowledge of designing and implementing secure, resilient, large scale infrastructure environments. Proven experience working directly with customers to capture and translate infrastructure requirements. Background delivering production ready implementations and managing service transition. Experience designing solutions to meet strict security and compliance standards. Understanding of Agile delivery and experience working within multi skilled teams. Knowledge of Windows enterprise administration, including configuration changes via GPO, Registry, Filesystem, PowerShell, WMI, and Windows Update mechanisms. Shape enterprise scale infrastructure in one of the UK's most secure and strategic environments as an Infrastructure Architect. To apply, please send your CV by pressing the apply button.