Having 5.3 Years of experience on Oracle 12c/19c as Database Administrator in managing complex database systems, adept in installation, maintenance, and tuning of high-availability Oracle databases. Seeking Oracle Database Administrator position in a challenging environment, where I can make significant contributions towards the company's immediate & future goals.
Overview
5
5
years of professional experience
Work History
Oracle Database Administrator
Cognizant ( Indies Technologies Pvt Ltd)
Bangalore
08.2022 - 07.2024
Managing Production, Non-Production, Development and Test database in 24/7 Environment
Checking the free space at O/S Level
Performing daily database activities like checking alert log, checking backups for errors and issues
Performing Daily Health check for Production, Non-Production Databases
Monitoring Physical Structure of Oracle Database like Data files, Redo log files, Control files
As per project Requirement and Resizing Data files and addition of new database files
User Management - Allocating Quota, Managing Profiles and Granting / Revoking privileges.
Resolving user's day-to-day issues
Implementation of Data Guard (Physical Standby database) and Checking the Archive log shipping between the Primary and the standby (DR) databases and troubleshooting it to make sure the Primary and Standby databases are in SYNC
Performing DR Rebuilding and performing Switchover Activity
Maintaining and managing stand-by databases using Oracle Data Guard
Data Guard configuration and Switchover via DGMGRL
Worked with oracle support to resolve problem
Checking the file systems for threshold limits
Implemented ASMM & AMM feature in Memory Tuning
Performed Schema refresh and Database Cloning from Production to Test environment
Resolved the issues in conflicts between the target and source database in Golden gate
Database patching and Applying Rolling Patch on Standalone database
Monitoring Space Related Issues of (data files, Table spaces and Disk/Disk Groups)
Scheduled and configured cron jobs for backups.
Oracle Database Administrator
PPS Motors Pvt Ltd
Hyderabad, India
03.2019 - 08.2022
Installations and configurations of Oracle 12c RAC on Linux
Migrating the databases from Non-ASM standalone to ASM
Involved in changes of shell scripting as per RAC setup
Worked on DB related issues which are faced by the test team and clients
Experience on DATAGUARD and Create and maintaining Physical standby database
Good experience in Oracle Installations and Oracle database Creation through DBCA,OMF and ASM
Creation of ASM databases, ASM instances and administration of ASM Instances and ASM Disk groups on the CORE environment
Creating SR with Oracle Support and follow up
Applying patches using O Patch utility
Implementation of Backup and Recovery Strategies using RMAN
Load balancing on both server side and client side
Taking backup of OCR and VOTING DISK
Experience on DATAGUARD and Create and maintaining Physical standby database
Cloning the Oracle home and upgrades
Creating health monitoring UNIX shell scripts
Experience in cloning the databases through Hot/Cold and RMAN utility and refreshing the databases
Configuring networking oracle for managing DB links and materialised views
Exporting and Importing database backups using Export & Import
Regular monitoring of Alert log file on a day-to-day basis
Analytical and able to adapt to new environments and learn new technologies quickly.
Education
Bachelor of Science -
Glocal University
01-2016
Skills
Operating systems: Windows, RHEL, Sun Solaris
Languages: SQL
Databases: Oracle
Scripting: Shell Scripting (korn shell and bash shell)
Tools & Utilities: DATAPUMP, RMAN, SQL LOADER, SQL*PLUS, ORACLE Net CA, OEM
Key Functional Areas
Experience in HP-UX, AIX, SUN SOLARIS, Linux and Windows environments.
Good experience in Oracle Installations and Oracle Database Creation through DBCA, Manual, OMF and ASM.
Experience in user management, roles and profiles.
Creating users with restricted access with required privileges
Creating profiles and attaching them with users and monitoring the users.
Exporting and Importing database backups using Exp & Imp and EXPDP/IMPDP utilities.
Experience in configuring and maintaining ASM Disk Groups & ASM databases.
Experience in Configuring and managing backup through RMAN utility.
Experience in RMAN configuration using recovery catalog.
Experience in Backups and Recovery and Cloning of databases using RMAN.
Experience in Upgradation of database from 11g to 12c and 12c to 19c.
Experience in Configuring and maintaining Physical standby/Active standby Databases.
Experience with RAC to Non RAC cloning and vice versa
Experience in Patching the RAC databases in Rollover manger
Experience in maintaining the Cluster databases using srvctl and crsctl.
Knowledge on Oracle Database performance-tuning services with EXPLAIN PLAN,TKPROF and AUTO TRACE.
Proactive Monitoring, identifying areas that need to be improved in the application and database using Statspack, AWR, ADDM and OEM.
Provided end to end administrative support on applications which involves Oracle databases.
Experience in Oracle Support processes in logging service requests and other Support Procedures.
Deployment of agents and registering databases to OEM.
Networking & IT Infrastructure at Cognizant Technologies Solutions India Pvt LtdNetworking & IT Infrastructure at Cognizant Technologies Solutions India Pvt Ltd