İzmir, Türkiye
Experienced Database Administrator (DBA) with strong expertise in database administration, performance tuning, testing, and implementing high-availability solutions in 24/7 Oracle enterprise environments. Proficient in PostgreSQL, Oracle, MySQL with hands-on experience in query optimization, index management, and system performance monitoring. In addition, skilled in project management across Energy, GIS, IoT, and FinTech domains, including system integration and process automation. Successfully delivered software solutions from requirements analysis and design to testing, documentation, and user training. Demonstrated ability to prepare user guides, conduct training sessions, and define system topologies with minimum server requirements to ensure efficient deployment and scalability. Skill Highlights •Project & Process Management (Agile, Jira, PMP background) •RDBMS & NoSQL Database Management (PostgreSQL, Oracle, MySQL, MongoDB, TimescaleDB) •High Availability & Disaster Recovery (Patroni, HAProxy, Etcd, pgBackRest, RMAN, RAC, Dataguard) •Cloud Computing (AWS) – RDS, EC2, S3, Performance Insights •DevOps & Automation – Docker, Kafka, Ansible •Application & Middleware Server Management – WebLogic, Tomcat, Apache •Monitoring & Observability – OEM Zabbix, Grafana, Percona PMM •Problem Solving & Decision Making •Team Leadership & Collaboration •Domain Expertise – Energy, IoT, GIS, FinTech, Healthcare
•PostgreSql database setup & configuration manuel/ansible(High-Availability with HAProxy+keepalived, 3 etcd 3 Patroni) •Database migration from existing server environment to newly server environment. •Server resource (Ram, Cpu, Storage) management. •Playing an active role in software business development activities. •Collecting statistics via pg_stat_statements and analyze most call - top I/O - most consuming - top CPU usage Sql Queries. •Monitoring metrics with PMM vacuum/autovacuum processes, and implementing partitioning strategies.
• MySql database management on RDS AWS Amazon. • Collecting statistics via MySql performance schem. • Detecting and analyzing unused indexes and high-cost queries on monitoring dashboard. • Performance Tunning. • MongoDb Time Series Collection and TimescaleDB(extension PostgreSql) installation, read/write and application tests. • Server resource(Ram, Cpu, Storage) management on AWS Amazon. • Project/task management on Jira.
•Responsible for the successful ongoing operation, coordination and management of Client-Server (Linux, Windows). • Responsible for 7/24 service availability, management, configuration, performance-tuning and utilization of applications. • Oracle Weblogic Administration and Installation & Configuration. • Monitoring Tool Administration(Oracle Enterprise Manager/Grid, TEMIP, RabbitMQ). • Responsible for GRC (Governance,Risk,Compliance)Application Management Tool.
• Oracle 11g R2 & Oracle 12c database management. • MySql Database installation and configuration for Linux servers. • Database setup and configuration on OEL 5, 6, 7. • Performed database recovery operations unexpected craches or database shutdowns. • Database migration with DATAPUMP tool. • Database recovery-restore via RMAN. • System monitoring and database tunning. • Managing application servers (Docker, Apache, Weblogic, Tomcat) • Installing and configuring Weblogic and middleware applications for Linux servers. •Working on project management tools jira & git.
• Administration of Oracle database clusters for +100 government and private hospitals. • Performing all planning, monitoring, management, problem solving and coordination activities for the database system to operate without interruption. • Installation and configuration for Oracle database systems and setting the necessary RMAN backup scripts for daily backup. • Monitoring Enterprise Manager to determine the SQL performance issues and other database issues. • Using Oracle datapump to import/export data between databases. • Using RMAN to move Oracle database from different platforms with minimal downtime.