* Automating database creation process granting users 15 minutes to database service* Tuned SQL statements to improve execution times and reduce resource consumption by at least 75%* Consolidate servers running with Oracle and MySQL databases to cut 75% server usage* Implemented monitoring and alerting solutions to reduce response times to 30 minutes* Reduced downtime during patching from 3 hours to no downtime* Implemented fail over strategies based on Proxy SQL to spread workload evenly, improve performance and remove downtime* Improved development process by introducing CI/CD pipelines* Automating change request process thus saving developers downtime by an average 3 hours a day* Proactively tuning database parameters to accommodate increase of 300% load increase in 6 months advance* Testing backup/recovery procedures reducing disaster recovery downtime by 3 hours average* Creating crontab Python scripts to automate DBA tasks.* Developing new skill according to requirement* Saved significant funds by enforcing development to test to production procedures* Auditing SQL queries for debugging applications with developers* Creating data warehouse pipelines to provide Senior Management with usable statistics that led to increase in overall profit and new marketing strategies* Creating monthly and yearly plans for capacity planning preventing system overload and thus saving brand reputation* Designing beautiful data models with improved common-sense logic* Writing usable technical documentation* Negotiating licenses and support contracts with vendors * Securing databases and enforcing security policies increasing safety to "very secure" level

* Database environment creation, cloning, upgrades and cross platform migrations* Enforcing security and managing user accounts* Maintain software versions at supported levels, moving to supported releases and applying critical patch updates* Using Oracle support and creating SR, working with Oracle Gold Support* Keeping databases SOX complaint and enforcing ISO standards required by auditors* Performing backups and recoveries with RMAN/Networker/Commvault* Setting up streams and replication* Accomplishing full integration of Oracle Advanced Security, Database Vault, Audit Vault, Oracle Streams and Data Guard* Progressing thru advanced administration on Linux, HP-UX, Solaris, AIX and Windows* Writing of Perl and Shell scripts to fit various automation of DBA needs* Achieving Full SQL proficiency in creating and managing database objects, structures and data* Extract Transform Load for connecting different cross platform products* Closely cooperating with developers and vendors to engineer solutions* Monitoring database performance and tuning databases parameters for optimal performance* Tuning SQL statements and using performance tuning pack (tracing, tkprof, AWR)* Properly document changes and create usable installation guides* Manage licences and support contract renewals* Working in full ITIL environment

* Upgraded postpaid Amdocs billing databases in Slovenia, Macedonia, Austria and Serbia* Implemented and upgraded Prepaid billing solution based on MySQL Cluster* Deployed custom CRM solution with custom ETL implementation* Implemented full Oracle Cloud Control 11g monitoring and configured SMS notifications* Migrated billing from Amdocs to Ericsson solution* Created full disaster recovery site with replication

* Migrated existing databases from Oracle 8i to Oracle 10g RAC* Implemented Personal ID and Passport documents information system* Participated in implementation of Driver and Vehicle License information system* Team leader for implementation of Border Control System