As Oracle Database Administrator;Have Oracle Top Level OCM certificates in 10g/11g/12c releases and experience accordingly. Have PL/SQL, Oracle Forms Reports and JEE development experiences.Have Linux Administration Experience.Install and Configure test, development, pre-prod and production environments for Oracle Databases 11g/12c/19c releases on Linux and Solaris OS.Extensive use of Physical Backup/Recovery Tools RMAN and OS Level and Logical Backup/Restore exp/imp, expdp/impdp.Install and configure RAC, ASM and DataGuard with various scenerios.Experience on Exadata, Super Cluster, RAC on third party hardware, Single Instance Deployments on physical or VM. As PostgreSQL Administrator;Install and Configure test, development, pre-prod and production environments for PostgreSQL Databases 9.6/10/11/12/13/14 releases on various Linux distributions such as Debian, CentOS, OEL, Redhat.Extensive Use of Physical Backup/Recovery Tools pg_basebackup/pgbackrest and Logical Backup/Restore pg_dump, pg_restore, psql.Install and configure replication and automatic failover with Patroni.Use PostgreSQL with citus extension for big data platform.Experience on most of postgreSQL extensions.As Oracle and PostgreSQL Database Administrator ; Performance Tuning with considering all system components as a whole; Linux/Solaris OS, Storage, SAS Disks, ASM, NVMe cards, Memory, database parameters, OS parameters, Application Tuning, PL/SQL, PL/pgSQL tuning, partition, indexing etc.SQL Tuning by understanding SQL by heart and apply appropriate optimization techniques.Address and trouble-shoot database related problems.Identify hardware requirements for Database Systems and prepare procurement document for them. Migration from Oracle to PostgreSQL database and guide software refactor process according to PostgreSQL database.Mentoring co-workers about RDBMS Logic.As DBA, I have worked for more than 20 governmental agencies during my career.

After graduation from Computer Science Department of Bilkent University in 2001, I have worked for various IT departments of several Institutions, Organizations, Agencies of Turkish Public Sector from 09/2001 until 06/2014. During this period, I weared software developer and maintenance engineer, database administrator, software team leader, system administrator and project manager hats. Regardless of my job and title, I have used Oracle products mostly but not limited to this software.Software development experience using Oracle Forms/Reports, PL/SQL and JEE for 6 years. Oracle database administration experience with versions 7, 8i, 9i, 10g, 11g and 12c on LINUX, WINDOWS and UNIX platforms including RAC and DATA GUARD options, EXADATA and non-EXADATA installations, RMAN, sql and performance tuning for 10+ years.Team building/development and project management. Worked for various and different type of national IT projects including software development, disaster recovery, system integration, enterprise modernization, database optimization and data center migration for several Ministries, Institutions, Organizations and Agencies of Turkish Public Sector.