System Operations and Infrastructure Specialist responsible for the planning and maintenance of core IT services, including virtualization, operating systems, Active Directory, storage, networking, and email platforms. Proven cross-system troubleshooting expertise, a strong self-learner, and a dedication to delivering reliable, optimized, and cost-effective solutions. Successfully mitigated future risks and reduced operational burdens by continually improving service quality and simplifying maintenance processes.

Mainframe Cobol Developer Main duties include new development and maintenance of legacy systems. Preparation of test data and execution of report JCL. Robotic process automation System analysis & business analysis 迅速開發雛型並持續迭代優化 Reliability Engineering 帳務主機通路維運工程師 監控帳務交易異常及判斷異常點，與跨系統間協助釐清狀況

Construction Monitor System Monitor the production OS ie (AIX/OpenVms/tru64/Linux/WINDOWS) Monitor the production DB ie (Oracle/DB2.) Monitor the Storage ie (IBM DS Series/IBM SVC series/HP EVA series /SAN SWITCH) , Monitor the Hardwares via (hp ilo, IBM imm..) SYSTEM Administrator Managed the production of AIX , Linux System. Upgrade the MES system OS, from AIX 4.3.3 to AIX 5.3, and HACMP 4.3 ot PowerHA 6.1 DataBase Administrator Managed the production of Oracle and DB2 database , include MES DB. Backup and restore Oracle Database through RMAN, Domain Controller Administrator (windows 2000/2003) Managed 3 FAB area Domain Controller , and High Availability . Upgrage the Domain Controller , from windows 2000 to 2003

IT Specialist /Esunbank. (玉山銀行) (2010/08 ~2014/02 ) Mainframe Cobol Developer Main duties include new development and maintenance of legacy systems. Preparation of test data and execution of report JCL. ATM Administrator Responsible for managing more 500 ATMs using PBM, and distributed software to them (include OS/2 ,Windows NT4.0 ,and ,Windows XP ) using TSD. Involved in the creation of collections and advertisements as well as client health. Help Desk support also includes the setup, installation, and configuration of ATM hardware and software. Incident Management: Keeping close tab on all open tickets & ensure rapid restoration UNIX Administrator Managed the production of IBM AIX, Redhat Linux , Netezza and Solaris upgraded the system accordingly. Installed and maintained UNIX servers upgraded the various software and hardware on the system. Engineered the power virtualization and used advanced AIX to projects. Provided support to the Solaris and business systems by researching various new technologies in the related area Advocated various ways of improving on the existing UNIX operations. Assisted in solving the various performance issues of UNIX. Netezza DBA Performed backup and recovery functions of databases through Netezza utilities. Maintained system documentation of best database procedures, practices and standards. Resolved database problems and issues by troubleshooting and responding to service requests. Tivoli Monitoring & IBM Systems Director Administrator Monitoring all production systems (include hardware ,software). Configured & Administer an Enterprise monitoring agents on different platforms i.e. (AIX, Linux, Windows). To create custom situations & policies. Identify & troubleshoot Problems. Reporting (TCR) Documentation of all implementation and monitoring activities.