We are seeking a Windows Infrastructure Engineer to design, maintain, and enhance a large-scale Windows server environment supporting critical business applications and production systems. This role offers the opportunity to work closely with developers, infrastructure specialists, and production teams to improve platform reliability, automation, and operational efficiency.
Our client is a leading global quantitative trading and technology-driven financial firm with operations across major financial centres worldwide. The business leverages advanced technology, data, and engineering to support highly demanding, business-critical platforms operating at scale.
The firm fosters a collaborative and intellectually curious environment, bringing together technology, infrastructure, and engineering teams to solve complex technical challenges. Innovation, reliability, and continuous improvement are central to its culture.
Key Responsibilities
Key Requirements
Nice to Have
Location & Work Setup
Why Join

The firm fosters a collaborative and intellectually curious environment, bringing together technology, infrastructure, and engineering teams to solve complex technical challenges. Innovation, reliability, and continuous improvement are central to its culture.
Key Responsibilities
- Manage the complete server lifecycle, including deployment, maintenance, patching, upgrades, and decommissioning of physical and virtual servers.
- Maintain and improve enterprise Windows server infrastructure to ensure stability, performance, and security.
- Troubleshoot complex infrastructure issues spanning operating systems, networking, storage, and hardware components.
- Develop and enhance automation solutions to streamline provisioning, administration, and operational support.
- Build and maintain monitoring solutions, dashboards, and alerting frameworks to improve system visibility.
- Administer and support virtual desktop and application delivery platforms.
- Collaborate with software engineering and production teams to support application deployments and operational readiness.
- Contribute to infrastructure improvement initiatives focused on scalability, resilience, and operational excellence.
Key Requirements
- Strong experience administering Microsoft Windows Server environments in enterprise settings.
- Deep knowledge of Active Directory, Group Policy, Kerberos, Windows Services, scheduled tasks, and WinRM.
- Advanced PowerShell scripting skills, including automation, remoting, module development, and performance optimization.
- Solid understanding of networking concepts, including TCP/IP, UDP, DNS, VLANs, routing, and multicast technologies.
- Experience managing virtual infrastructure platforms and virtual machine environments.
- Experience supporting Citrix Virtual Apps and Desktops or comparable virtual application delivery technologies.
- Knowledge of access control models, RBAC, permissions management, and security best practices.
- Strong troubleshooting skills with tools such as Sysinternals, Wireshark, Resource Monitor, or equivalent diagnostics platforms.
- Experience supporting enterprise server hardware, storage systems, RAID configurations, and related technologies.
- Bachelor's degree in Computer Science, Engineering, Information Technology, or equivalent professional experience.
Nice to Have
- Experience with infrastructure monitoring platforms such as Nagios or similar tools.
- Exposure to CI/CD methodologies and deployment platforms such as Jenkins, Octopus Deploy, TeamCity, or related technologies.
- Experience within low-latency, trading, financial services, or other highly available production environments.
- Familiarity with infrastructure-as-code and automation best practices.
Location & Work Setup
- Hong Kong
- Onsite or hybrid working model, depending on business requirements
Why Join
- Work in a highly technical environment where infrastructure plays a critical role in business success.
- Gain exposure to complex, large-scale production systems and cutting-edge technology.
- Partner with experienced engineers, developers, and infrastructure specialists globally.
- Opportunity to drive automation, innovation, and operational improvements with visible business impact.
- Competitive compensation and benefits package with strong opportunities for professional growth.

Job ID PR/616017
We support the Financial Sciences & Services industry with talent that can truly shape the future of a business.
Whether that be Quantitative Analyti...
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