Jakhongir Qavlonov
Uzbekistan
Summary
Experienced Team Leader with a robust background in database administration and system optimization at Hamkorbank JSCB, Uzbekistan. Successfully led the ORACLE Exadata X10 installation project and upgraded the Oracle database from version 12 to Oracle 19. Proficient in Linux/Unix, Windows server, Oracle, PostgreSQL, and various high-availability solutions such as Oracle RAC and Patroni. Demonstrated expertise in monitoring tools like Grafana and Zabbix, as well as centralized log collection using ELC Elastic. Adept at training employees, optimizing database performance, and managing disaster recovery plans to ensure data integrity and system reliability. Career goal: to leverage extensive technical skills in a challenging leadership role within a dynamic organization.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Team Leader
Hamkorbank JSCB
02.2022 - Current
- Successfully implemented the ORACLE EXADATA X10 installation project, applying an innovative approach and project management skills.
- Migrated the ABS (Automated Banking System) to a new server, with a focus on fault tolerance and uninterrupted operation.
- Launched a backup system based on COMMVAULT.
- Implemented centralized log collection using ELC Elastic.
- Upgraded the Oracle database from version 12 to Oracle 19.
- Participated in the CRM upgrade project.
- Trained 5 employees over two years.
- Optimized database performance through regular monitoring, tuning, and maintenance, ensuring high availability and reliability.
- Managed database backup and disaster recovery plans, safeguarding vital company data against potential loss or corruption.
- Implemented advanced database design and optimization techniques in PostgreSQL to support complex data structures and queries.
Chief Specialist (Database Administrator)
Hamkorbank JSCB
11.2020 - 02.2022
- Facilitated knowledge sharing sessions, training junior DBAs on Oracle database administration and best practices.
- Analyzed database performance metrics, making data-driven decisions to optimize resource allocation and throughput.
- Monitored system health through Oracle Enterprise Manager, proactively addressing issues to prevent service disruptions.
- Resolved database access problems within agreed service levels.
- Created reliable backup strategy, performing periodic restorations to facilitate backup quality.
- Administered Oracle databases, optimizing performance through advanced tuning and troubleshooting techniques.
- Administered and monitored databases to identify and resolve problems with diverse servers.
Database Administrator
Hamkorbank JSCB
11.2018 - 12.2020
- Optimized the scaling of Oracle EXADATA X6 to X8 to improve performance.
- Participated in a successful project for the implementation of the WSO2 bus, based on PostgreSQL.
- Launched full-featured ZABBIX monitoring, ensuring control over the entire data center infrastructure.
- Participated in the deployment and integration of NUTANIX, improving operational efficiency.
Configured a fault-tolerant database server in the ORACLE system to enhance data reliability.
Linux and Window System Administrator
HAMKORBANK JSCB
10.2015 - 11.2018
- Deployed centralized Windows Active Directory.
- Installed Active Directory in all bank branches.
- Participated in project to install new Oracle Exadata X6.
- Migrated ABS database to Oracle Exadata X6 server.
- Migrated internet banking database to Oracle Exadata X6.
- Managed virtualization environments, ensuring optimal allocation of resources and minimal downtime.
- Monitored system performance using advanced tools, proactively identifying and resolving issues.
- Analysed log files, systems and network traffic to identify improvement opportunities.
- Monitored new releases and models for optimized system performance.
- Installed and configured various software and hardware for smooth-running systems operation.
Education
Bachelor -
Tashkent University of Information Technology
Fergana, FA2015
Skills
- OS: Linux/Unix, Windows server
- Database: Oracle, Oracle Exadata, POSTGRESQL,MSSQL,MYSQL,MARIADB,
- HA: Oracle RAC(grid infrastructure), Patroni,Etcd,PgPool,
- Monitoring: Grafana,Zabbix,OEM
- Other: ELC ELASTIC, SQL, docker,ansible,BASH,powershell,Active Directory, Kibana, logstash
Languages
Russian
Upper Intermediate
B2
English
Elementary
A2
Certification
- [ELTC training center] certified: Oracle Database 12c - RAC administrator db1
- [Softline training center] certified: Fundamentals of a Windows server infrasturure
- [Noventic training center] certified: Administrator postgresql 13. base course
- [An Oracle University Training Class]Oracle Exadata Database Maschine: Implementation and Administration
Timeline
Team Leader
Hamkorbank JSCB
02.2022 - Current
Chief Specialist (Database Administrator)
Hamkorbank JSCB
11.2020 - 02.2022
Database Administrator
Hamkorbank JSCB
11.2018 - 12.2020
Linux and Window System Administrator
HAMKORBANK JSCB
10.2015 - 11.2018
Bachelor -
Tashkent University of Information Technology
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