• I have 15.06 year of IT experience as a Assistant Consultant in Oracle Database Administrator as a Core DBA . • Currently working as Assistant Consultant for Tata Consultancy Services Ltd, Kolkata,since 2007.• Well conversant with all project Modules such as Requirement Analysis, Database creation, Up-gradation, Data Upload, Clone , Backup & Restore Recovery .• I have hands on knowledge in Installation DB in IBM AIX & HP-Linux platform and also configure and script creation for RMAN DB backup in disk and tape mode. • Upgraded 9i databases to 10G.The 10g database use SANS technology for datafile storage.• Reduced database escalations 75% by resolving issues prior to development involvement.• Hands on experience on AWS cloud migration from onpremise Oracle DB to CDC cloud platform .• Executed and provided ADDM, AWR and database health check reports to information owners and recommended solutions for improved performance.• Took ownership of complex database incidents and problems and provided resolutions in a speedy and timely manner.• Hands on creation ,maintenance knowledge in Oracle Streams for data copy from Production to Test server.• Hands on experience SYBASE to SQL SERVER migration activity.• Have working experience in migration of Teradata DBA activity.• Hands on Knowledge in ASM,RAC and HACMP clustering on AIX and also work with IBM Associate to configure Database,Backup and Recovery (in Tape & Disk).• Hands on knowledge to migrate DB from non-ASM to ASM enviornment and have OCR backup & recovery concept.• Created scripts and scheduled backups in cron for RMAN database backups and recoveries.• Performed data loads using Data Pump and export/import utility.• Provide after hour maintenance, coordinate with consultants and manage vendors for patches and upgrades.• Manage business continuity efforts with oversight for backup and recovery of data.Connect me following address:-Email id:- dibakar09_84@yahoo.comMobile no:- +91-9735517119