Mallikarjun Ramadurg

Cell: +966-*********

Email: ada9qo@r.postjobfree.com

Linkedin: https://www.linkedin.com/in/mallikarjun-ramadurg-397a751a/

Career Objective

Seeking a challenging and growth oriented long term position in a DBA domain and Infrastructure domain, where I can apply my creative skills and experience towards the organization development and my career growth.

Professional Summary

8 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 ENGINEERING-SYSTEM.

Strong fundamentals knowledge on ORACLE ARCHITECTURE.

Strong experience is administrating the EBS Applications.

Ability to perform Oracle software installation, configure database, perform cloning and performance tuning of the Oracle database.

Ability to perform EBS Application Installation, Configuration, cloning and CM management.

Well versed with the concept and configuration of Oracle Database Administration, Backup and Recovery, Data Guard, RAC and EBS Application tuning.

Strong knowledge and experience in Linux OS support and Shell scripting for automation.

ZFS storage maintenance and support.

Good knowledge on Datapump, RMAN, Datagaurd and Performance tuning.

Good exposure to Manual Backup, RMAN Backup and Recovery techniques.

Has implemented 11g RAC (Real Application Cluster) and Data Guard (Physical and Logical Standby Databases).

Cloning from Cold, Hot and RMAN Backups.

Applied patches of oracle database using Opatch and applied PSU, CPU, ONEOFF and MERGE Patches.

Strong hands on experience in EBS application patching using adpatch and ADOP utility.

I have successfully implemented the SSO for EBS Application R12.1.3.

Specialist in 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.

Strong Experience in 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 and troubleshooting.

Software cloning and gDBClone tool for Database cloning.

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

Good in shell scripting made many automation using shell and perl script.

Education

Bachelor of Engineering in Electronics & Communications from BV Bhomaraddi College of Engineering & Technology, Hubli by scoring 8.8 GCPA in 2011

Technical Skills

RDBMS : Oracle 9i, 10g, 11g and 12c

Operating systems : RHEL, OEL & Windows.

Key Skills : EXADATA, RAC, Dataguard, EBS APPS & SQL servers

Oracle Tools & Utilities : RMAN, Data pump, AWR, ADDM, OEM, adpatch many more

Advanced DB Management : Oracle 10g/11g/12c RAC, OEM 12c/13c, OMC log analytics, Dataguard

Languages : C, JAVA, .net, SQL, PL/SQL

Scripting : Shell scripting

Professional Experience

Organization Name

From

Till

Position

Clients

Wipro Arebia

Nov-19

Present

Technical Lead

Tawuniya Insurance

AXA XL

Oct-17

Nov-19

Technical Lead

AXA PRODUCTION support

Oracle India Pvt Ltd

Jan-14

Oct-17

Software Engineer

Exadata Global Customers

IGATE Global Solution

Jan-12

Jan-14

Senior System Engineer

OLF, RCM, Jetstar

1. Wipro Arebia, Riyadh – Saudi Arebia (Tawuniya Insuranace Company)

Working as Infrastructure lead and Exadata lead administrator from Nov-2019 till now

Providing Informatica Admin support

Migrating database from Non-Exadata to Exadata engineer system.

Infrastructure Lead.

EXADATA Lead administration.

Oracle RAC and dataguard support.

Informatica Support.

Project details

Tawuniya Insurance production migration from Non-Exadata to Exadata and giving support on Infrastructure and Exadata administration.

We did setup the enterprise model as per ACCORD compliance for Tawuniya’s insurance LOBs

Responsibilities

Providing Informatica Admin support

Migrating database from Non-Exadata to Exadata engineer

Taking lead responsibility on Exadata administration and providing end to end support for exadata.

Providing end to end support in Infrastructure.

2. AXA XL, Bangalore – India

Worked as a Technical Lead from Oct 2017 to Nov-2019 and I was leading a team of 9 peoples.

PRODUCTION EBS APPs DBA support

EXADATA administration

Oracle RAC and dataguard support.

Project details

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.

Responsibilities

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

3. Oracle India Pvt Ltd, Bangalore – India

Worked as a Senior Oracle DBA from Jan 2014 to Oct 2017.

Supporting Exadata Engineered System - global clients

Exadata Engineering system global customers, more than 2000+ Exadata customers

Project details

More than 2000+ EXADATA system clients all over the globe

EXADATA is one of highest performing product from Oracle for OLTP & Data warehousing

Responsibilities

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.

4. IGATE Global Solutions Pvt. Ltd, Bangalore – India

Worked as a Senior Oracle DBA from Jan 2012 to Jan 2014 in shared service project where giving support to multiple projects

Database Administration support for Openlink Financial.

Database Administration support for Jetstar.

Database Monitoring support for RCM.

Responsibilities

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.

Purging of data, CPU Patching, Rman Backups.

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.

Implementations:

Configuration of Manual standby for 11g RAC.

Implementation of 11g RAC on RHEL 11.2.0.3/11.2.0.4.

Configuration of Physical standby for 11g RAC database and DR Drill.

Failover and switch over for Jetstar airways Australia.

Remote connection to the clients on adhoc call for different kind of issues.

Upgraded RAC database from 11.2.0.3 to 10.2.0.4 and 11g to 12c grid upgardation.

Upgraded RAC database from 11.2.0.1 to 11.2.0.3 using an Out-Of-Place upgrade method on RHEL

gDBClone oracle Database cloning tool

Datacenter migration and build from scratch.

Ticketing Tool Used:

HP Service Manager, HP ALM

MOS (My Oracle Support)

Awards and achievements

AXA XL Annual award

OCP Certified from Oracle

Oracle pace-shutter award from the BU unit

I have got iKEN and iEvolve awards from the iGATE

I have got the Cloud-U certification from the iGATE

ITIL Certification by iGATE Global Solution

Oracle Exadata Engineering System Certified Administrator

Personality

Self-motivated.

Good analytical & communication skills

Effective leadership and comprehensive problem solving skills.

Personal Details

Date of birth : 12.09.1988

Nationality : Indian

Sex : Male

Marital Status : Married

Languages Known : English, Hindi and Kannada

Place: Riyadh – Saudi Arebia

Date : (Mallikarjun Ramadurg)

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