Hong Kong SAR
Results-driven Senior System Administration & Security Engineer with 20+ years of experience, focusing on designing and implementing secure, compliance-ready IT infrastructures for the financial sector. Expert in Linux deployment, backup, health monitoring, patching and vulnerability remediation; proven track record in workflow automation, technical training and audit-aligned service delivery. At Shanghai Commercial Bank, I built multi-version RHEL software repositories, performed cross-platform patching and upgrades across AIX, Linux and Windows via Ansible and Truesight Automation. Responsibilities included DB2 and middleware lifecycle management, EOS transition planning, disaster recovery failover execution and annual DR exercises, core banking system maintenance and restoration, SSL certificate management, as well as cross-team infrastructure coordination and vendor engagement
Governance and Compliance Provide audit-ready documentation. Patch and upgrade management Build and maintain multi-version Redhat Linux local repository servers. Regularly update patches for AIX, Linux, and Windows operating systems through ansible and TSSA. DB2, middleware upgrades, patches and EOS versions. System management DR failover procedures and annual DR drill activation. Maintain, install, configure and recover AIX, RedHat Linux and Windows systems or data across enterprise infrastructure. Regularly update the SSL certificate for your bank website. Support application team Coordinate infrastructure projects and vendor liaison. Monitor Install and configure SNMP to monitor performance resource utilization.
Responsibilities: Work with teams executing installation, implementation, maintenance and technical support services projects to provide IT solutions for FSI, commercial and public sector projects. ⚫ Lead the patch team to maintain AIX, RHEL, and Solaris at East Asia Bank. ⚫ Migrate servers of Hang Seng Bank's. ⚫ Deploy Ctrix system of MPFA. ⚫ Independently submitted monthly security vulnerability reports on 150 Windows and RHEL servers to the HKMA. And conduct annual system security vulnerability upgrades. ⚫ Solve system network software and hardware failures of small and medium-sized enterprises.