Chetan Sharma

Email: sharma.chetan.cs@gmail.comPhone: +91 9986127320System EngineerOracle Apps/Core DBAOCA (Oracle Certified Associate )

Summary :A highly result oriented skilled Oracle DBA with 2 years and 8 months relevant experience as Oracle Apps/Core DBA. My technological forte stands on Oracle Application DBA and Oracle core DBA domain. Currently working with TATA CONSULTANCY SERVICES Ltd.. All of my experience & knowledge has been gained across the major Oracle database versions (11g, 10g,12c ) and a wide range of operating systems (MS-Windows , UNIX/Linux, Sun Solaris).

Experience Summary:

Served as the point of contact on behalf of the DBA team, who was responsible for coordinating critical upgrades, releases, GO LIVES, disaster recovery

Coordinated with various support teams / client / end users / developers / functional consultants spread across globe.

Planned and executed for periodic maintenance outages.

Administering and maintaining Production Apps 11i and OLTP, 24X7 production database Support and maintenance.

Administering production databases as large as 3 TB on RAC installation (Sun SPARC machines), with 4 node PCP configuration exclusively for Concurrent Processing, Load balancing form services.

Good Knowledge on Oracle tools, Cloning, Patching. Worked on Oracle 10g/11g from the oracle database administration point of view. Creating, Implementing and Maintaining Backup policies for several GE Business using

RMAN, EXPDP and IMPDP. AS a DBA is responsible for Database, Database Cloning, Patch Application, Unix Shell

Scripting, Backup & Recovery and Documentation. As an Oracle Applications DBA, is responsible for the overall daily management of

Oracle applications environment (version 11i )

Key Competencies & Skills:

ERP EBS 11.5.10.2

Tools SQL Developer, Putty, OAM, OEM-12c, SQL* Plus, VNC

RDBMS Oracle 10g,11g,12c

OS/Packages Windows, Linux, Solaris, Office XP

Oracle Application 11i,12.1.3,12.2.3,Agile and SOA

Programming Languages C,C++(OOPS)

Personal

Experience Profile:

Oracle Apps DBA for 24*7 OLTP system

Customer name: 1) CISCO(US) (Dec 2014 – till date)

2) General Electric(GE-GR-USA) (Jul 2014-Nov 2014)

3) UTC( Fire and Security-USA) (Feb 2013-Jun 2014)

Role Description: Oracle Apps DBA looking into day to day patching and cloning activities of UTC Fire and Security 24 by 7 OLTP ERP Suite. Planning new releases and looking into the ERP Oracle Apps Suite of UTC Fire and Security .

Worked for GE as Oracle Apps/Core DBA.

Currently working for CISCO as Apps/Core DBA, handling over 4000 Core databases and ERP’s.

Also dealing with Performance Tuning and Database Optimisation.

Responsibilities As Oracle Apps DBA:

Oracle Apps Patching, Cloning. User/Responsibility/Menu creation/modification Oracle Sysadmin Support Concurrent Manager issue troubleshooting Oracle DBA support Production Health Check Migration and Releases Managing Tablespace issues Printer issues troubleshooting Maintaining the Mobile Web Applications Maintain Oracle Applications using AD Utilities Maintaining and creating new Scripts for Monitoring and maintenance Familiar with ADOP utility , and applied application patches in 12.2.3. Supported over 20 application migration Handled JSP compilation and worked on remote applications Actively participated in R12 upgrade (11i to12.1.3) with 4 member team Supported 12.2.3 application for GE Production Support for SOA and Agile Applications

Responsibilities (As CORE DBA):

Worked on 10g,11g RAC databases.

Regular database activities, backups monitoring, issue resolving through Remedy.

Scheduled hot backup through RMAN.

Cloning of database by RMAN

Backup of database using EXPDP

Backup and restoration of database schemas/tables by EXPDP and IMPDP.

Working in ASM databases.

Monitor TEMP tablespace, monitor alert logs for errors, Identify CPU issues in the Middle tier and eliminate them.

Coordinated and interfaced with Oracle support for issues.

Metro Virtual Data Centre (MVDC) Switch over and patching

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Handling MVDC applications and databases

OOP (Out Of Place Patching )

Performed Database point Upgrades

Performed number of dev, test and stage cloning from PROD databases.

Performed partitioning of tables in datawarehouse environment.

Managing and monitoring the dataguard.

Creation Of core Databases.

Restoring unknown backup to create new Databases for GE-Corporate.

Managed tablespaces and other database objects.

Support and Maintenance of over 4000 core Databases for CISCO.

OEM monitoring for CISCO databases.

Handling PSU and CPU new releases and applying the recommended patches .

Managing RMAN reports and oracle version mismatch.

Performance Tuning and Database Optimisation

Tuning at the disk level and strategies to distribute Oracle files

Striping objects across multiple disks

Choosing different RAID levels for different Oracle files (RAID Level - 0,1,5,10)

Using asynchronous I/O

Tuning checkpoints

Tuning redo logs

Disk group Migrations

Indexing and Partitioning tables

Tuning at the disk level and strategies to

distribute Oracle fi

Professional Membership/Certifications:

Professional Society / Certification Certification YearSix Sigma Green Belt Certified 2014Unix training 2013Oracle Database 11g: Administration 2015Oracle Database 11g: SQL Fundamentals 2015

Awards:

Project AwardsUTC Fire and Security Best Team award ( 2014)

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GE On the Spot award for user issues handling (2014)

CISCO Star Team Award( 2015)

Employment Details:

Dates Organization DesignationNov - 2012 to Till Date TATA Consultancy Services System Engineer

Education Details :

Degree Institute and Date Major and SpecializationBE BIT-Bangalore,VTU(University),

July – 2012Electrical and Electronics Engineering

Personal Details:

Date of Birth 10 - Jun - 1989

Nationality Indian

Marital Status Unmarried

Address Flat No -105, Vanshee Citadel Apartment , Anand Nagar, Marathalli ,Bangalore- 560037

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