Windows Platform Infrastructure Engineer

Location: Hong Kong 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. Your future role within QRT: As a Windows Platform Server Engineer, you will be part of the Global Infrastructure Team, responsible for designing, building, and supporting Microsoft Windows Server and virtualization infrastructure. Your role is critical in ensuring the smooth operation of core IT services that underpin research technology, trading platforms, market execution, and data processing. Responsibilities Evaluate, recommend, and implement new technologies to enhance reliability, scalability, and security. Build, manage, and deploy all technologies related to the on-premises Windows Server stack, including OS, observability, backups, and identity services. Configure and maintain monitoring and dashboarding tools to track server and application performance. Build, manage, and deploy Windows Server environments (2022–2025). Build, deploy, and monitor a globally distributed, multi-forest Active Directory environment. Manage and configure tools such as Splunk, Configure and manage Active Directory, Group Policy, and Entra ID integration to enforce security and access policies. Automate server management using PowerShell, Ansible, and Terraform for provisioning, configuration, and maintenance. Optimise and troubleshoot server backups to ensure data integrity and disaster recovery readiness. Utilise SIEM tools to monitor and manage server security and performance. Work with storage technologies (SAN/NAS) to ensure efficient integration and high availability. Build manage and deploy VMMware ESXi services, clustering, infrastructure and network concepts. Develop and maintain technical documentation, architecture designs, and support materials. Solid understanding of networking concepts Support and optimise Citrix DaaS, Azure, Microsoft 365, and Intune environments. Provide 2nd-line support and act as 3rd-line escalation for all Windows Server and application-related issues. Provide cross-functional troubleshooting support when required. Stay informed about market trends and emerging technologies to identify strategic improvement opportunities. Your present skillset: Extensive experience designing, deploying, and managing Windows Server environments, including large-scale enterprise migrations. Strong expertise in Active Directory, Group Policy, and DNS design, implementation, and advanced troubleshooting. Advanced PowerShell scripting skills for automation, OS builds, patching, and infrastructure optimisation. Deep understanding of Windows Update processes, enterprise patch management, and security hardening best practices. Experience with configuration management tools such as Ansible. Experience with backup tools such as Veem. Experience managing cloud infrastructure, including AWS EC2 and Azure. Strong troubleshooting expertise across Windows 10/11 client operating systems. Solid cloud platform experience with Azure, Entra ID, Microsoft 365, and Intune. Experience supporting and optimising Citrix DaaS / VDI environments. Experience supporting and optimising ESXi environments. Strong knowledge of networking concepts, certificate services (PKI), and infrastructure security. Experience with performance monitoring and optimisation of Windows servers, desktops, and virtual machines. Excellent communication skills with the ability to work independently, prioritise workloads, and contribute effectively to cross-functional projects Occasional weekend shifts and out-of-hours coverage may be required to ensure continuous support. QRT is an equal opportunity employer. We welcome diversity as essential to our success. QRT empowers employees to work openly and respectfully to achieve collective success. In addition to professional achievement, we are offering initiatives and programs to enable employees achieve a healthy work-life balance.