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Senior Oracle Database Administrator Resume

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PROFESSIONAL SUMMARY:

  • I am an accomplished Database Administrator and IT security expert with over 10years of experience with extensive knowledge and proficiency in database design, monitoring & tuning, Migration, Upgrades, Backup & Recovery, Cloning, Replication, and Security Implementations.
  • I am also proficient in an assortment of technologies including Oracle 10g, 11g, 12c, and MS SQL Server.
  • I also possess exceptional written, verbal, analytical and organizational abilities.
  • Proven leader with motivational management style, a solid reputation for building and retaining highly motivated teams and development of innovative solutions.
  • An energetic achiever who can successfully manage multiple priorities and perform tremendously under pressure.

DATABASE MANAGEMENT PROFICIENCY:

  • Database Security
  • Database Upgrade and Migration
  • Backup and Recovery using RMAN
  • Data Pump and Export/Import
  • Transparent Database Encryption
  • Oracle Performance Tuning
  • Patch Set Management
  • MS WINDOWS (08,12,14)
  • UNIX (Solaris 8/9/10)
  • LINUX (Red Hat Enterprise)

TECHNICAL COMPETENCIES:

  • MS SQL Server (SSMS)
  • Excel
  • Tableau
  • SharePoint
  • Oracle RAC
  • Oracle Data Guard
  • TOAD
  • SQL Developer
  • Oracle Enterprise Manager
  • Oracle VM Virtual Box
  • Salesforce
  • T - SQL
  • MySQL
  • ETL (SSIS)

PROFESSIONAL EXPERIENCE:

Confidential

Senior Oracle Database Administrator

Responsibilities:

  • Provide administrative support and maintenance on Oracle 10g, 11g and 12c installations, database creation, database security, database optimization and tuning.
  • Perform backup and recovery procedures using RMAN and Data Pump utility for Oracle databases
  • Provide and maintain high availability and disaster recovery using ORACLE DATA GUARD.
  • Monitoring and Troubleshooting database performance using OEM, AWR, ADDM, ASH, Explain Plan, and TOAD.
  • Manage database security by creating, assigning appropriate roles and privileges to users depending on the user activity, auditing, and performing other security related tasks including Transparent Data Encryption (TDE).
  • Implement Security policy enhancement through roles, profiles, privileges and password policies as per business requirements.
  • Apply Oracle's quarterly Critical Patch Update (CPU/ PSU application) using Opatch utility to install, test, and deploy patches to all database instances.
  • Clone databases via RMAN and DATAPUMP utilities for various Database sizes.
  • Extensively use AWR, ADDM, ASH, and Explain plan for periodic Performance tuning.
  • Setting up and managing RMAN, Hot and Cold Backups, Exports and Production database support
  • Managing Database Structure, Storage Allocation, Table partitioning, Table/Index segments, and Rollback segments, Constraints, Database Access, Roles and Privileges
  • Oracle Database performance-tuning services with EXPLAIN PLAN, AWR reports, ADDM
  • Extensive use of Oracle Enterprise Manager (OEM) Grid control for Performance, Administration and Maintenance of Databases
  • Work on several OLTP, OLAP, Enterprise Data Warehouse databases and provide 7x24 support
  • Work with developers to diagnose database related application problems, provided development support to maintain application schema and distribution of data
  • Establishing connectivity to databases and monitoring system performance
  • Monitor AWR, ADDM, ASH, Alert log, dynamic performance views, DBMS STATS, Trace Files, System Event Logs for unusual events and took appropriate action according to company policies of incident reports
  • Implement table and index partitioning so as to Minimize DB time, increase disk load balancing, improve query speed and enable faster parallel query
  • Knowledge in PL/SQL programming
  • OEM Monitoring for Databases - checking AWR/ADDM reports. Understanding ADDM reports finding. Running SQL tuning adviser against the query in the Databases.
  • Checking top activity for system I/O, user I/O and other processes, monitoring SQL executions for Time & wait statistic, I/O statistic
  • Part of support team for 24/7 on-call production support.

Confidential

Senor Oracle Database Administrator

Responsibilities:

  • Installed and configured Oracle 10g, 11g servers and created databases in Linux environments.
  • Researched, tested, and made recommendations of data validation tools.
  • Established and implemented backup/recovery and patch scheduling as well as exported and imported databases frequently into the development and test environments and for archiving purposes.
  • Created, tracked, and closed service tickets using REMEDY ticketing system and developed a defect prevention process including but not limited to root cause analysis and corrective action.
  • Manage database security by creating, assigning appropriate roles and privileges to users depending on the user activity, auditing, and performing other security related tasks including Transparent Data Encryption (TDE).
  • Implement Security policy enhancement through roles, profiles, privileges and password policies as per business requirements.
  • Controlled all databases with high alertness to ensure peak performance, stability and reliability and availability.
  • Perform backup and recovery procedures using RMAN and Data Pump utility for Oracle databases
  • Resolved locking issues, inconsistencies and assisted in batch processes.
  • Assisted developers with SQL code troubleshooting as well as tweaked applications, procedures and SQL when necessary.
  • Installed and administered GOLDEN GATE in a unidirectional, bidirectional, and broadcast configuration to mainly replicate data and ensure high availability, in a heterogeneous environment, also worked with EXADATA Machines for high performance and availability.
  • Developed RMAN backup and recovery strategies and procedures
  • Performed database patching for bug fixes, and mitigate security vulnerabilities
  • Test recovery and support continuity of operations procedures
  • Performed all aspect of database operations and maintenance (O&M)
  • Monitor and tune Oracle database environments for improved system performance, ensure integrity and recoverability of Oracle database structures
  • Work with Developer team to create interfaces for other Applications interact with Databases.
  • Day to day maintenance included patching, cloning, and administration of concurrent manage process, Users, Forms, Reports and performance issues.
  • 24x7 remote support and on call rotation

Confidential

Oracle Database Administrator

Responsibilities:

  • Create databases from Entity Relational Diagrams (ERD) in Forward Engineering using the Oracle SQL Developer to OFA Institution and finally to DB launch.
  • Follow System Development Life Cycle (SDLC) methodology for designing, analysis, development and implementation
  • Implement Security policy enhancement through roles, profiles, privileges and password policies as per business requirements.
  • Design and implement ETL utilizing PL/SQL and Talend Administration Suite.
  • Manage database security by creating, assigning appropriate roles and privileges to users depending on the user activity, auditing, and performing other security related tasks including Transparent Data Encryption.
  • Perform instance tuning by changing init.ora parameters and managed region parameters such as shared pool size and db cache size with the use of AMM and ASMM.
  • Install and configure the Oracle Golden Gate software on Unix/Linux platform for both Unidirectional and Bidirectional replications
  • Configure Oracle tools like SQL*Net to access the database across the network
  • Configure and manage ASM instances on Oracle 11g and 12c.
  • Worked in a cross functional team that oversaw the Oracle RAC installation and configuration for Linux environments.
  • Extensive experience in Installation, Migration, Database Upgrade, Backup and Recovery, DR, RMAN, ASM, 10g RAC administration, data pump, performance tuning of Oracle Database
  • Create and manage pluggable databases in the multitenant container database of the Oracle 12c architecture
  • Experience migrating database objects from development through test and into production environments
  • Capacity planning (supported 3 tier architecture, planning of tables, indexes, tablespaces and databases) to allow for growth potential and analyze data growth trends for capacity and resources.
  • Tune database for higher performance, analyze, explained and trace sessions for bottleneck queries, and configured instance optimal parameter setting
  • Supported daily Database call for maintenance and administration such as performance, connections, locks, refresh data and security issues.

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