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Security & Platform Engineer (Windows Infrastructure)

Qube Research & Technologies - London

Posted Jan 19, 2026

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About this role

Security & Platform Engineer (Windows Infrastructure) London Qube Research & Technologies (QRT) is a global quantitative and systematic investment manager, operating in all liquid asset classes across the world. We are a technology- and data-driven group implementing a scientific approach to investing. Combining data, research, technology, and trading expertise has shaped our collaborative mindset, which enables us to solve the most complex challenges. QRT's culture of innovation continuously drives our ambition to deliver high-quality returns for our investors. You will join the Windows Infrastructure team, responsible for building and operating Windows and end-user platforms with a strong focus on secure-by-design engineering across Azure, Microsoft 365, Intune, and Citrix VDI. You will work closely with Security stakeholders as the Windows and end-user platform security specialist. Your Future Role within QRT You will: - Design, optimise, and enhance a highly available, scalable, and secure Windows-based platform across Microsoft Azure, Microsoft 365, Intune, and Citrix VDI - Own and evolve the Citrix DaaS / Virtual Apps and Desktops platform, ensuring performance, availability, and security requirements are met - Drive standardisation and platform hardening across Windows 10/11, VDI images, and cloud-hosted workloads - Monitor and improve performance, reliability, and cost-effectiveness across Azure, Citrix, Microsoft 365, and Intune - Act as the primary security point of contact for Windows and end-user platforms, partnering closely with Security stakeholders - Embed secure-by-design principles into Windows, cloud, identity, and VDI platform engineering - Implement and maintain endpoint and identity security controls, including Intune security baselines/configuration profiles, Conditional Access,

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