Infrastructure Engineer (Citrix) Stoke-on-Trent, UK | Onsite | Defence & Secure Environment iO Associates are partnered with a specialist secure ICT provider supporting the UK Defence and Security sector, currently looking to hire Infrastructure Engineer to join their growing team. The Infrastructure Engineer (Citrix) is responsible for the design, build, configuration, and ongoing improvement of enterprise Citrix Virtual Apps and Desktops platforms, ensuring the delivery of secure, resilient, and high-performance digital workspace services. Required experience: Strong experience with Citrix Virtual Apps and Desktops in an enterprise environment. Proven experience in a hands-on Infrastructure Engineer, EUC Engineer, or similar role supporting enterprise platforms. Extensive experience building, configuring, and supporting Citrix Virtual Apps and Desktops, including: Delivery Controllers, StoreFront, Citrix Gateway. Experience translating technical and architectural designs into secure, standardised, and supportable Citrix solutions. Strong understanding of Citrix security principles, access controls, and secure remote access solutions. Security Requirements: Must be eligible for UK Security Clearance DV Clearance. No sponsorship available.