• Providing support for database-related issues including performance, security, locks, bugs, connectivity, and auditing.

• Establishing user needs and monitoring user access and security.

• Maximizing service availability and overseeing database security.

• Monitoring performance and managing parameters to provide fast responses to front-end users.

Working on the complete database design for a healthcare and insurance system, including creation, administration, backup and recovery, and lifetime production support.

• Worked with company clients on DB migration, installation, and patches.

• Improved performance of several dozen procedures, created data transfer and ETL processes, and performed various DB administration tasks.

• Worked on database development using SQL, PL/SQL, T-SQL programming (functions, procedures, triggers, etc.).

• Worked on production database maintenance and support and various DB monitoring, administration, and troubleshooting tasks.

• Performed databases upgrades, performance improvement and tuning with SQL, PL/SQL, DB backup and recovery, Shell automation, ETL, and RMAN.

• Participated in data modeling, data warehousing, disaster recovery implementation, and production support;

• Managed database creation, performance tuning, and administration in SQL, PL/pgSQL programming and debugging, Oracle 11g, PostgreSQL 11/12 on Windows/Linux.

• Tuned PostgreSQL instances for increased performance during the production stage for a leading global provider in data platform consulting and managed IT services.

• Worked on the automation of DBA activities and upgraded existing databases.

• Managed the creation, tuning, and administration of databases for an IT solutions provider that delivers advanced civil registry and population management solutions.

• Implemented processes for server backup and executed complex databases for critical problems on Windows/Linux.

• Implemented system backup procedures and optimized database application performance through tuning.

• Worked with SQL, PL/SQL programming of a secure billing system and on database tuning and administration on Windows/Linux.

• Designed and maintained database architecture and developed scripts for database monitoring and tuning procedures.

• Managed Linux administration activities and implemented system backup procedures.

• Performed DB programming including stored procedures, functions, triggers, as well as debugging, bottlenecks detecting, and performance improvement with Oracle 10/11 and SQL Server 2008 on Windows.

• Carried out database installations, tuning, administration, backup and recovery, and troubleshooting.

• Provided day-to-day support and maintenance for existing databases using native monitoring and troubleshooting tools.