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Sr. Oracle Database Administrator Resume Example

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SR. ORACLE DATABASE ADMINISTRATOR
Professional Summary

Senior Oracle Database Administrator (ORACLE DBA) with experience in Oracle products on multiple platforms and environments spanning Banking, Communication and Tech sectors. Experience as On-Call 24x7 production DBA support, application/development DBA. Extensive knowledge on database administration for Oracle 9i, 10g, 11g and 12C with experience in very large-scale database environment and mission critical large OLTP and OLAP systems. Experienced in Oracle installations, upgrades, migration, configuring logical/physical architecture, SQL, Tuning, database access and Security and auditing. Deep understanding about Exadata and its specified features such as Smart Scan, HCC Hybrid Columnar Compression, Flash Cache, etc. Involved in Patching Exadata components such as Infiniband, cellnode, db node.

Skills
Work History
Sr. Oracle Database Administrator, 04/2016 to 05/2018
Aar Corporation – Patrick Space Force Base , Psfb
  • Planning and configuring near Zero downtime database migration and Upgradation of Oracle databases from Non-Exadata to Exadata Servers.
  • Design and implement Active to Active and Active to Passive GoldenGate replication and also Upgraded Goldengate to 12.1.0.2 from lower versions.
  • Implemented advanced security using TDE (Transparent Data Encryption).
  • Managed cross platform migration of 15TB heavy transactional Oracle database from Solaris (11.1.0.7) to Linux (12c) using Oracle Goldengate.
  • Install, configure and administer OEM13c.
  • Migrated more than 70 Oracle databases between different Datacentres from NonExadata to Exadata machines using Goldengate, Active Dataguard, Transportable tablespaces, RMAN, EXPDP/IMPDP.
  • Upgraded 11.2.0.4 databases to 12c using manual upgrade and DBUA.
  • Configuration and Implementation of Dataguard Physical / Logical Standby Databases and Automating the Monitoring / Resolving on and off Gap or lagging issues.
  • Performed tuning of Oracle Wait Events/Latches-Enqueues/Memory structures using Automatic shared memory management (ASMM), ASH and Buffer Cache Advisors.
  • Fabricated multiple CLONING databases using manual method and RMAN utility Backup and recovery procedures using RMAN.
  • Created scripts for RMAN incremental backups and also for full database backups using Datapumps.
  • Involved in process improvement, Oracle Server Installations/Upgrades/Patches, Space Management, Capacity Planning, Backup & Recovery, Disaster Recovery, Database Performance Tuning, Memory Tuning, Application Tuning, Security Administration, Data Warehousing, Data guard, Oracle Advanced Replication, Real Application Clusters, Oracle standby services.
  • Environment: Oracle 11g/12c, Exadata X3/X4/X5, Oracle Enterprise Manager 12C/13C, Goldengate 11g/12C, Oracle RAC, Goldengate Veridata, TDE, Active Dataguard, RMAN Backup and recovery, Expdp/Impdp, DBUA.
Oracle DBA, 09/2015 to 04/2016
Apex Systems – Altamonte Springs , FL
  • Installed, configured and maintained Oracle 11GR2 4 node RAC on Exadata X5-2 full rack.
  • Assisted in management and database administration of Oracle database applications on Exadata X3 and X5 platforms.
  • Installed, configured and maintained Oracle Database 12c Deploy the 12c agents on the target servers and add the target Configuration Items to monitor.
  • Plug-in installations on the target servers to extend the functionality of OEM Configure Oracle Advanced Security to implement Transparent Data Encryption at table space, table and column levels.
  • Also, configured Redaction using OEM's Policy expression builder.
  • Setup physical standby's (DATAGUARD) for several Databases (via OEM as well).
  • Implemented DBFS on EXADATA and Troubleshooting Exadata smart scan/offloading issues.
  • Monitoring the InfiniBand Switches/ports, HCA ports on DB/CELL nodes and IB topology Migrating databases to Exadata Setting and Monitoring Exadata using OEM12c Maintaining and Troubleshooting Exadata Cell/Storage and DB/Compute node performance issues.
  • Implemented Goldengate Unidirectional/Bidirectional replication on RAC using ACFS file system.
  • Configured Dataguard broker between the primary and standby databases, perform Switchover/Failover and monitor the Dataguard status Storage Migrations: Solely responsible for migrating the Prod/Test/Dev Databases from NetApp to HNAS and also to block level storage.
  • Migrating the databases from Non-ASM to ASM) Backup/Restore & Recover of the databases using RMAN and FLASHBACK database procedures.
  • Database Installation, Upgrades and Patching.
  • Upgrade the binaries by applying patch set and interim patches using OPATCH and OPATCH Auto.
  • Capacity planning for the projects owned in the environment.
  • Effective Production Support and off hour support, support handover, off-shore co-ordination.
  • Environment: Oracle 12c/11g/10g on Unix/Windows, Oracle EXADATA X5, X2, Golden gate, Oracle 11g, Sun SPARC T4-1/T3-1, Red Hat Linux 5.8, AIX 6, OEM 12c, RAC, Oracle Advanced Security, Data guard including DG Broker setup, RMAN, Partitioning, Compression, DBFS, ASM, Performance tuning, OPATCH Auto, TOAD for oracle 12.1/11.6, Storage Migrations.
Oracle DBA, 01/2014 to 08/2015
Apex Systems – Arden Hills , MN
  • Migrated oracle databases using oracle 11g GOLDENGATE.
  • Migrating databases to Oracle Exadata Database Machine for different clients Worked on upgrading of oracle databases from 11g to 12c.
  • Installed ORACLE 12c database and Cloud control (12.1.0.3) on Linux 64-bit server.
  • Implemented OEM Cloud Control 12c Agent installations, plug-ins installations and adding targets to OEM.
  • Monitoring all the databases using OEM 12c cloud control.
  • Worked in troubleshooting 2node and 4node RAC and implemented 11g New ASM features.
  • Extensively worked in setting up physical standby database using Data guard and implemented new 11g feature such as Active Dataguard and Snapshot standby database.
  • Implemented switching primary database to standby and standby to primary during regular maintenances of catalog databases and DR databases.
  • Configure OEM 12c monitoring with customized templates and email alerts.
  • Configured ASM and handled issues and suggested feasible workarounds for ASM Metadata corruption.
  • Extensively worked with ASMCMD for managing ASM.
  • Performed DR drill activity.
  • Applying patch set and interim patches using OPATCH for upgrading the binaries.
  • Provided Instance level performance monitoring and tuning for Event Waits, Sessions, Physical and Logical I/O and Memory Usage.
  • SQL query tuning using tools like Explain Plan, SQL*Trace, TKPROF, SQL Tuning Advisory.
  • Installed SQLTXPLAIN (SQLT) Tool that helps to diagnose SQL statements performing poorly.
  • Used Oracle 11g/12c AWR & ADDM to monitor database activities and performance tuning.
  • Performed Range Partitioning as a cause to improve the performance of the database.
  • Proactive performance monitoring, and capacity planning for future database and server growth using OEM.
  • Applied necessary Patches during installation and also in up-gradation of databases on Oracle 11g database versions.
  • Extensive Experience with Change Control Management for all database changes.
  • Performed Cross platform migration using transportable table spaces and RMAN.
  • Data Refresh from Production to Development and Test environments using Data Pump export/import Involvement in space management, rectification of lock problems, user management.
  • Supporting Application developers with various performance, connectivity and security related issues on various projects.
  • Scheduled Jobs and Backups using 12c OEM and CRONTAB.
  • Experience in backups and recovery using RMAN shell Scripts.
  • Involved in 24×7 Production Support with on-call pager.
  • Environment: Oracle 12C, 11gr2, HP-UX, REDHAT LINUX, SUN SOLARIS, IBM AIX, OEL 5.8, OEM12c, RAC, Golden Gate, Oracle Exadata, Oracle Fail Safe 3.x, RMAN, EXPDP/IMPDP, Partitioning, ASM, DBFS, Data guard including DGMGRL, Performance tuning, OPATCH Utility, TOAD, DB Artisan, SQL Developer, Shell Scripting.
Education
Master of science: Management Information Systems, Dec 2013
University of Houston -
Management Information Systems GPA: 3.4
Bachelor of Technology: June 2012
GRIET - City
GPA: 3.6
Skills
IBM AIX, AIX 6, AIX 5.x, ASM, Backup, C, Capacity Planning, catalog, CPU, Encryption, clients, database administration, Databases, Database, Data Warehousing, debugging, Disaster Recovery, editing, email, ERWIN, ETL, features, Flash, GUI, HP-UX, Linux, managing, memory, Access, Windows, 3.x, Windows XP, Migration, MYSQL, Enterprise, Operating Systems, Oracle 9, ORACLE, Oracle Enterprise Manager, Oracle database, DB, Developer, PL/SQL, PostgreSQL 8.0, process improvement, REDHAT LINUX, Red Hat Linux 5.8, Red Hat, scheduling, Servers, scripting, scripts, Shell Scripting, shell Scripts, SUN SOLARIS, Sun Solaris 5.8, Solaris, SQL, SQL Server, SQL Loader, Sun SPARC, Switches, TOAD, troubleshooting 2, Troubleshooting, Unix, HP UNIX, UNIX Shell Scripts, Unix shells, Upgrades, upgrading, Upgrade, Utilities
Certifications
  • CMA (Certified Management Accountant) conferred by Institute of Management Accountants (IMA)
  • Member Institute of Logistics and Transport (MILT)
  • Certified Protection Officer (CPO)
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Resume Overview

School Attended

  • University of Houston
  • GRIET

Job Titles Held:

  • Sr. Oracle Database Administrator
  • Oracle DBA

Degrees

  • Master of science : Management Information Systems , Dec 2013
    Bachelor of Technology : June 2012

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