10.2013 – 12.2020 Database Administrator Configuration, administration, and optimization of production systems: - Database Administration. - VoIP System Administration. - Linux, Unix Systems Administration. Completed Projects: - Insourced database and VoIP systems from outsource company. - Constructed High Availability and Disaster Recovery solutions. - Implemented various performance and architecture improvements on production databases that improved the SLA from 3 to 5 nines. - Contributed in the development ofthe service of alternative communication channels (video call, sms, mobile app) – the winner of Innovative Service Award from the European Emergency Number Association in 2016. - Migrated production systems from physical to virtual environment. - Configured monitoring system for physical and virtual environment. - ProQA Emergency Dispatch Software integration. - Set up the call centers for different governmental agencies: • Governmental hotline for prevention of Coronavirus spread in Georgia (StopCov.ge - Hotline - 144). • Ministry of Economy and Sustainable Development of Georgia (Hotline 1484 – Periodic Technical Inspection of Vehicles). • State Inspector’s Service of Georgia (hotline of inspection).

- Configuration, administration, and optimization of database systems. - Patching and Resolving Jira tickets. Completed Projects: - SQL Server AlwaysOn High Availability Group - Research, Construction, and Migration of our main MSSQL databases. - PostgreSQL and MongoDB HA Clusters. - Took part in Oracle Exadata infrastructure upgrade. - Implemented different performance and safety improvements on production databases.

- Information processing for Cisco PGW softswitch (Rescued the company several times from multi-thousand $ loss with my own anti-hack algorithm). - Developed .NET application for station operators. - Billing for PGW softswitch (renewed existing project for new softswitch).

Constructed server room monitoring system (Zabbix).

Installation, configuration, and maintenance of asterisk servers for different companies.