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Oracle DBA Team Leader, H1B, 9 y.exp. (US).doc
 

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    Oracle DBA Team Leader, H1B, 9 y.exp. (US).doc Oracle DBA Team Leader, H1B, 9 y.exp. (US).doc Document Transcript

    • Anand Solomon Summary: More than 9 years of experience in Information Technology having experience in development, Testing, User interaction, Implementation and on-call production support and DBA activities and Team leading skills with Overseas in the software development and Production Support environment in Oracle 9i and 10G Database Administration Activities. Core Competencies: • Handled both Offshore / Onsite Teams for developing OSS Sofware for Telecom companies. • Developed Use cases for OSS Solutions and Reporting Softwares. • Participating Meetings, Conferences, Mentoring DBAs and Application developers for various projects. • Proficient in Installation, Configuration, Maintenance and Tuning of Oracle 10g/ 9i / 8i and RAC, AIX 5.3, Windows, UNIX, Solaris 8, 9 and 10 platforms. • Implemented Backup & Recovery strategies using RMAN and Hot/Cold backup for Oracle 10g/9i/8i databases in Windows and LINUX environment. • Performing daily maintenance tasks like space management, rectifying locking problems, managing quotas etc. • Tuned large database for optimal performance using 10g OEM, AWR, STATSPACK, AUTOTRACE, SQL TRACING, EXPLAIN PLAN, ADDM, SQL Advisor, GRID Control with Stored Outlines and Performance views. • Migration and maintenance of Oracle Databases (10g, 9i, 8i). • Managing the Tables and Index to provide statistics for tunings. • Implemented DataGuard, StandBy, Oracle Streams technologies in mission critical systems and configured Switch over and Failovers with Physical standby database on Windows and UNIX environments. • Exposure to COGNOS and ACTUATE Reporting tools. • Strong Database Auditing skills. • Strong technical skills combined with customer support and customer interaction skills. • Cloning and Re-building the databases from Production to other Environments in a short time using various methods like BCV/SRDF, SQL*Backtrack, Transportable Tablespaces. • Exposure to Database capacity planning and Volumetric Analysis for the databases which are more than 5 TB. • DBA support for multiple production, Staging, development, QA and test environments. • Excellent Communication and Interpersonal Skills. Education: Bachelor in Engineering from Bharathiyar University, India. Industry Expertise: • Telecom OSS • Services • Testing, Support, Database design, DBA administration, Documentation & Quality assurance activity
    • Technical Skills: Operating Systems Sun Solaris (8,9,10), LINUX, HP UNIX, Windows NT Databases Oracle 10g, 9i, 8i Languages SQL, JAVA, PL/SQL, HTML, PERL Database Tools RAC, Oracle Enterprise Manager (OEM), Data Guard Backup and Recovery Manager (RMAN), PL/SQL, SQL*PLUS, Export and Import Utility, Oracle Tuning Tools (STATSPACK, SQL TRACE, TKPROF, Explain Plan), ADDM, AWR GUI Tools OEM, TOAD, Grid control Functional Experience: Embarq, Kansas Oracle DBA March 2007 – January 2008 Roles and Responsibilities:  Gathered the business requirements from Embarq for Data Loader and migration of existing database from Embarq to Wisor database structure using SQL*Loader to Massage and Load the Data.  Designed and Implemented Reporting software for Order Management System.  Installed Oracle Database 10g with Real Application Cluster (RAC) on Red Hat Enterprise Linux Advanced Server 3.  Installed and Maintained Data Guard, Physical standby DB and RMAN in LINUX, SOLARIS and HPUX • Data migration between environments using Export/Import, Transportable Tablespace, and Oracle Streams.  Database corruption (checks database status, and periodically verifies database integrity).  Implemented Materialized View, XML Schema registration (Public / Private)  Performance issues (track and trend overall database performance and database area, index, and drive performance). • Space Fragmentation monitoring and reorganizing tables and rebuilding indexes. • Patch Analysis, Patch Installation • Database Refreshes. • Used Flashback query, flashback drop tables, and flashback database features for recovery purpose.  Implemented and tested RMAN Backup strategies in Production, Testing environment for Backup and Recovery and written shell scripts for Database Refreshes.  Maintain Checklist for monitoring Production and Test systems.  Take proactive steps to monitor Logs, Maintenance Scripts.  Recommending application code changes (processing strategies, queries, use of RDBMS features)  Ensuring that adequate recovery procedures are in place, based on Database backups being done and verified, Recovery procedures being in place and tested.  Creating and Maintaining database scripts changes for the Wisor’s entire product.  Performed performance monitoring, tuning, and database recovery using Oracle Enterprise Manager, Performance Manager, Capacity Planner, TKPROF, the Intelligent Agent, index management, statistics maintenance, I/O configuration, and SQL-Plus.  Perform Database / Data migration tasks for release management.  Maintaining scripts based on the build and patch release
    • OS/Platforms AIX 5.3, LINUX 2.1, Sun Solaris 8, 9 & 10, HP-UNIX, Windows NT Environment Oracle (10g,9.2.0.7/9.2.0.6, 8.1.7,8.1.6), 10gAS, 9iAS, PL/SQL, STATSPACK, Oracle Enterprise Manager, Tkprof, IMP/EXP Utility, RMAN, Dbverify, Erwin, RMAN, VCS, Netbackup , VM ware , Nagios 3.0b1 Time Warner Cable, New York Oracle DBA September 2004 – February 2007 Roles and Responsibilities: • Installed Oracle Database 10g with Real Application Cluster (RAC) with CRS and ASM in LINUX and SOLARIS environment. • Calculate optimum values for database parameters, and set them as appropriate. • Supports various large databases. • Resolved various production severity 1 & 2 issues on day to day basis. • Successfully handled various performance issues. • Implemented datagaurd between prod & development environment in unix & windows platform. • Created and configured the script to take Rman backup from netbackup. This replaced all the unix cronjobs & windows scheduled task. • Configured nagios system to make customized alert. • Set-up database backup/recovery jobs, and monitor them. Perform disaster/recovery simulation tests. Participate in Disaster/Recovery Plan implementation. • Create database users, and assign appropriate roles. Run vulnerability scan software to detect security vulnerabilities, and apply patches. Participate in Security Plan implementation. • Implemented and tested RMAN Backup strategies in Production, Testing environment for Backup and Recovery and written shell scripts for Database Refreshes. OS/Platforms LINUX 1.2, Sun Solaris 2.6/2.8, HP-UNIX 11.0, Windows NT Environment Oracle (10g,9.2.0.7/9.2.0.6, 8.1.7,8.1.6), 10gAS, 9iAS, Tkprof, IMP/EXP Utility, RMAN, Dbverify, Erwin, RMAN, VCS, Netbackup , VM ware , Nagios 3.0b1 Sprint Telecom, Kansas Oracle DBA August 2003 – September 2004 Roles and Responsibilities: • Monitoring Oracle Database 10g with Real Application Cluster (RAC) in LINUX environment. • User Creation and Termination • Successfully handled various performance issues.
    • • Created and configured the script to take Rman backup from netbackup. This replaced all the unix cronjobs & windows scheduled task. • Configured nagios system to make customized alert. • Testing and evaluating new products as relevant • Logging support cases as necessary and effectively work with Oracle Corporation • Performing capacity monitoring and short and long-term capacity planning in collaboration with development resources, system administrators and system architects • Proposing solutions, identifying tools, and generating procedures to ensure an efficient, consistent repeatable environment • Identifying and initiating resolutions to user problems/concerns associated with database server equipment (hardware and software) • Implemented and tested RMAN Backup strategies in Production, Testing environment for Backup and Recovery and written shell scripts for Database Refreshes. OS/Platforms Sun Solaris 2.6/2.8, HP-UNIX 11.0, Windows NT Environment Oracle (10g,9.2.0.7/9.2.0.6, 8.1.7,8.1.6), 10gAS, 9iAS, Tkprof, IMP/EXP Utility, RMAN, Dbverify, Erwin, RMAN, VCS, Netbackup , VM ware , Nagios 3.0b1 Maintec Technologies Oracle DBA AUG 2002 - AUG 2003 Roles and Responsibilities:  As a DBA of this System was Responsible for regular upgrade, backup/recovery, performance tuning and maintenance of Oracle 8.1.7 database on Sun Solaris Platform.  Responsible for the Design, development and maintenance of various interfaces within globally implemented.  Planned, Designed and implemented Data Migration and Data Transfer between various versions of Oracle Servers using Export/Import utilities.  Generated the backup procedures for the Oracle production database.  Resolved issues related to the backup of the database.  Analyzed the Oracle database including the tablespaces with the tuning scripts.  Checked database log files and provided parameter change recommendations.  Used RMAN to provide faster backup and recovery strategy for high volume database.  Used exp/imp to export and import from production database and testing database.  Created users, tablespace, roles and assign the privileges to them  Have done cold backup, hot backup to provide support to the instance crash and recovery purpose.  Used statspack, tkprof and sql trace to gather the statistics.  Performed space management, defragmentation of the database, extent management, db block management.  Rebuilt indexes on monthly basis for tables which have lot of DML activity using database table monitoring.  Setup database auditing, granted privileges to users through system/object roles.  Generated & interpreted explain plan and tuned SQL queries.  Traced user sessions and interpreted SQL trace files using TKPROF utility.  Ensured database security using appropriate roles and privileges.  Refreshed schemas from one environment to another using exp/imp utility.  Restored tables, schemas in test environments from export backups based on business requirements.
    •  Cloned databases from one environment to another using RMAN backup.  Restored and Recovered database using RMAN backup for database corruption during the QA and DEV testing and workload (Complete and Incomplete Recovery).  Managed Temporary tablespace and Rollback segments and monitored their growth.  Designed the appropriate backup strategies such as Increment backups, differential backups and full backups using RMAN and User managed backup utilities.  Provided the daily statistics of tables and indexes usage accordingly.  Maintaining log files, REDO and Control Files.  Configuring and using Oracle Shared Server.  Involved in documenting the environments and processes.  Installation, Upgrade and Configuration of Oracle (8i, 9i, 10g).  Storage Management, Tablespaces, Segments and Extents, Rollback Segments & Data Dictionary.  Applying Patches on both Server side and Client side.  Creating the database, tables, tablespace, data objects, setting privileges, indexes, user logins, passwords (security).Creation of users and roles.  Materialized views with Query Rewrite. OS/Platforms Sun Solaris 2.6/2.8, HP-UNIX, Windows NT Environment Oracle (9.2.0.3, 8.1.7,8.1.6), 10gAS, 9iAS, PL/SQL, Tkprof, IMP/EXP Utility, RMAN, Dbverify, Erwin, RMAN Samtech Infonet Jr. Oracle DBA JUNE 1998 - AUG 2002 Roles and Responsibilities:  Maintain and enhance the existing logical and physical database model on ERwin for various releases of the application.  Created users, tablespace, roles and assign the privileges to them.  Performed space management, defragmentation of the database, extent management and db block management.  Rebuilt indexes on monthly basis for tables which have lot of DML activity using database table monitoring.  Killed user sessions, removed object locks.  Setup database auditing, granted privileges to users through system/object roles.  Refreshed schemas from one environment to another using exp/imp utility.  Managed Temporary tablespace and Rollback segments and monitored their growth.  Created and Administered database users by allocating sufficient memory and storage space quota and Interacting with users to gather additional requirements.  Audited the database who accessed the database objects incorporate with fine-grained auditing to analysis the database access OS/Platforms Sun Solaris 2.6/2.8, HP-UNIX 11.0, Windows NT Environment Oracle (8.1.7,8.1.6),