Job Responsibility:Administration, patching, upgrading and maintenance of Oracle 11g & 19c databases in Linux & Windows on Vmware platform.Administration, patching, upgrading and maintenance of Oracle Enterprise Linux OS/ Centos. Administration, patching, upgrading and maintenance of Windows & VMWare.Monitor/enhance application & database performance and diagnose any related issues.Implement database security policies & enterprise security policies.Project lead in software development.Monitor audit trails and application, firewall and database logs to ensure application, firewall and databases are secured and data integrity are ensured.Administration and maintenance of MS SQL Server 2008, 2012, 2016 and 2019.Basic administration of MySQL & MariaDB.Responsible for application & database backups and recoveries.Responsible for database standard procedures and processes.Participate as member of ongoing IT projects upgrades and/or new rollout related to database matters.Performed after office hours IT standby support as required.Database Projects Undertake:Migration of oracle 8i database to Oracle 11g.Migration of oracle 11g databases to Oracle 19c.Software Development Project:API services integration with Google PayPayment services integration (DBS Paylah, Cybersource, HPB, NETS)Internal company project to increase productivity and efficiency.Database Used:Oracle 8i in Linux/WindowsOracle 11g Release 2 in Linux / WindowsOracle 19c in Linux Oracle 12c in windowsMS SQL 2008, 2012, 2016 and 2019MySQL 5.6 , 5.8MariaDB 5.5Database Technology Used:Oracle RMAN, Oracle Standby Server.Software development Used:Oracle PL/SQLOracle APEXPHP 7Scripting tools Used:Windows PowerShell, Batch scriptsLinux Bash Shell scriptsOthers Application Used:-Oracle 11g /19c Enterprise ManagerApache/httpd Web ServerTomcat 7 / 8Nodejs 12 / 14Redis 6Nginx Zabbix Monitoring ServerAlienVault USM