Windows Engineer (Windows Server)

Location: Hong Kong, Hong Kong. Onsite role.

Company

Global quantitative trading firm focused on derivatives, market making, market taking, and technology supporting high-volume financial transactions.

What you will do

• Manage the full lifecycle of physical and virtual Windows servers, including planning, provisioning, maintenance, patching, and decommissioning.
• Diagnose and resolve CPU, memory, storage, connectivity, stability, and system crash issues across the server stack.
• Operate and improve virtual infrastructure through host and VM provisioning, resource allocation, performance monitoring, and configuration management.
• Develop automation and tooling for repeatable server builds, maintenance, and support, and maintain monitoring dashboards for system health.
• Administer the Citrix environment, including application onboarding and ongoing support.
• Lead and contribute to infrastructure resilience and developer productivity projects, support production launches, and resolve deployment issues with developers and production engineers.

Requirements

• Hands-on Windows Server administration experience, including Active Directory, Group Policy, Kerberos authentication, WinRM, scheduled tasks, and Windows services.
• Strong PowerShell skills, including remoting at scale, error handling, modules, advanced functions, and script performance optimization.
• Networking knowledge covering TCP/IP, UDP, DNS, VLANs, routing on multihomed servers, and multicast fundamentals.
• Experience managing virtual infrastructure, including compute resources, networking, and monitoring.
• Experience administering Citrix Virtual Apps and Desktops, including application onboarding and day-to-day support.
• Practical understanding of access control, including NTFS permissions, access auditing, and role-based access control.
• Methodical troubleshooting experience using Sysinternals, Resource Monitor, Wireshark or similar packet capture tools, and crash dump analysis.
• Working knowledge of server hardware, including memory, storage, RAID, and drivers, with experience diagnosing hardware faults.
• Experience with infrastructure monitoring tools such as Nagios, familiarity with CI/CD concepts and deployment tools such as Octopus Deploy, Jenkins, and TeamCity, plus a technical degree or equivalent practical experience.

Culture & Benefits

• Work on high-performance systems processing massive amounts of data for trading operations.
• Collaborate with Infrastructure, Project Management, Strategy Developer, developer, and production engineering teams.
• Join a culture focused on problem solving, innovation, continuous learning, and quantitative thinking.
• Receive competitive employee perks and benefits.