Database Administrator
04-2015 - NowIT development Oracle DBA
• Installation, configuration and upgrading of Oracle server software and related products
• Create and maintain all databases required for development, testing, and production usage.
• Monitor performance of database systems resources and query throughput.
• Attending user calls and give a solution to their problems.
• Trouble shoot and resolve database connectivity issues.
• Installed, upgraded and patched Oracle software and associated applications.
• Implement and maintain database security (create and maintain users and roles, assign priveledges)
• Managed and resolved design issues during development stage. Worked closely with developers.
• Developed Oracle backup and recovery strategy and scripts.
• Implemented database refresh using full export. Used EXPORT/IMPORT to do table level and full database defragmentation.
• Performed database tuning using Oracle Enterprise Manager and Explain Plan.
• Created Unix Shell scripts to automate database operation.
• Work as part of a team and provide 7x24 support when required
Cassandra DBA
• Install/Configure/Maintain/Tune and Administer of Apache Cassandra
• Setting up Multi-Datacenters for Cassandra.
• Implement Disaster Recovery for Cassandra.
• Patch/Upgrade Cassandra.
• Implement, maintain and tune Apache Spark.
• Implement backup strategies for Apache Cassandra.
• Implement monitoring solutions.
• Work with Development teams on Cassandra Data Modeling.