Mallikarjun R.

Mallikarjun R.

Technical Lead

Bangalore , India

Experience: 9 Years

Mallikarjun

Bangalore , India

Technical Lead

25028.5 USD / Year

  • Immediate: Available

9 Years

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About Me

7.9 years of strong experience in field of IT Sector as an Oracle DBA, EBS APPS DBA & EXADATA administration. Oracle Certified Professional and Oracle Exadata Engineering System Certified Administrator. Strong experience is administrating the EXADATA...

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Portfolio Projects

Description

· Installation, Configuration, Monitoring and Administration of all Oracle Databases

· Installation and configuration of EBS applications and APPS DBA support.

· ZFS patching and EXADATA Administration, Platinum patching and H/W maintenance

· In-House datacenter migrations projects.

· OMC Log Analytics Setup

· SSO implementation

· Thin Clone/gDBClone - Project

· Tape Backup validations

· EXADATA OS backup

· Infrastructure support and backup management

· Handling the project activities for performance improvement.

· Exadata ASR and H/W maintenance and monitor

· DB and Linux OS User Audit

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Description

· Installation, Configuration, Monitoring and Administration of all Oracle Databases

· On Exadata Manage Security & Privilege, DR & Replication, Backup & Recover and other daily operations and ensure performance and availability

· Hands on experience in Root cause analysis for business impacting issues

· Manage & Configure Exadata Machine (Network, OS, DB)

· CELL services monitoring and EM control monitoring.

· Troubleshooting the Exadata features.

· Giving L2/L3, 24/7 support to the client as DBA and leading the team in operations.

· Installing the RAC set-up in EXADATA boxes of 11g and 12c using OUI and GI infrastructure.

· Health checking of EXADATA system using exachk utility

· Monitoring the Nodes via ILOMs for checking performance and bringing up the nodes via ILOMs

· Collecting the diagnostic repost and CELL/DB node and ILOM snapshots

· IB Swicth patching using the patchmgr

· Installing or up grading existing databases over RAC environment.

· Upgrading the database with the data guard setup

· EXADATA administration and EXADATA CELL severs and DB server administration

· EXADATA engineering system patching, BP(Bundle Patch), YUM, CELL and IB switch

· Database up gradation from 11.2.0.3 to 11.2.0.4 or 11.2.0.4 to 12c or 11.2.0.3 to 12c so on. Have done more than 200+ upgradations

· SPOC responsibility for the sensitive EXADATA customer and meeting their satisfaction/expectation during pre-patch, patching and post-patch activity

· Installing the mgmt Database in 12c

· Clearing escalated and high severity tickets as part of team member.

· Grid infrastructure upgrade and database upgrade from 11.2.0.3 to 11.2.0.4 or 11.2.0.4 to 12c or 11.2.0.3 to 12c so on, have done more than 200+ upgradation.

· Exadata patching. (Compute nodes, Storage nodes, Infiniband Switches and Bundle patches on Databases).

· As Exadata System performance specialist, used to handle compute nodes and storage server administration.

· Software cloning.

· Experienced in troubleshooting and decision making knowledge on mission critical issues.

· Administration of Oracle 11gR2 RAC environments for multi-nodes based database.

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Description

· 24x7 Remote Database Support

· Creation/administration of oracle database as per the requirement of Dev or QA team.

· Applying oracle Upgrade and Patches.

· Taking backup using RMAN.

· Creation and management of schemas as per user requirement.

· Taking EXPORT backups on daily basis, RMAN backups and Refreshing DBs.

· Installing ORACLE in RHEL 5.0/Win and Creating DBs and creating Users granting roles and managing DB links

· Monitoring listener availability. Managing SQL developer, monitoring and tracing user session and performance tuning

· Troubleshooting of the ORA errors.

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Description

· Monitoring availability of Databases, Instances and its listeners.

· Monitoring Growth of Tablespaces, data files and Redo log files.

· Monitoring disk space and escalate to OS administrators for any disk space issues and also inform the Client regarding the consequences of it.

· Monitoring the existing DR site to make sure that they are in sync with production.

· Checking alert logs for errors and resolving them.

· 24 x 7 support for all database related incidents

· Creation of new databases and administration of existing databases

· Installation of Database related software

· Role creation, modification, deletion

· Proactively monitor and maintain database instances.

· Proactively analyze and eliminate reoccurring problems to reduce number of incidents.

· Disaster Recovery completed successfully by being in Bridge Call with the Clients and the other Vendors.

· Performed Cold Cloning of databases.

· Database Patching, Troubleshooting.

· Usage of OEM to maintain databases.

· Working on HP ticketing tool.

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Description

AXA Production EBS APPs and DBA support and EXADATA administration. We are working closely with development team to support their development activities. We strictly follow the SDLC cycle for each and every new feature development.

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Description

Exadata Engineering system global customers, more than 2000+ Exadata customers all over the globe.

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Description

OpenLink is a leading developer of software solutions and support services for trading, risk management, financial and operations professionals in financial. In this assaignment we Work on around 40+ Oracle Database with size 5GB – 1TB. Which includes Production, dev, QA and testing Environment. Working closely with developemt users to make sure that all DBs are up and running.

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Description

Jetstar is a value based carrier network providing all day everyday low fares with an open approach to air travel. In this assignment we are supporting the databases used by the TRAX Application.

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Description

RCM, a company of Allianz Global Investors, is one of the leading global Asset Management firms in the world today. RCM, US office is headquartered in San Francisco, CA from where it provides a comprehensive range of proven investment capabilities and products to its clients, integrated by global asset allocation expertise.

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