Summary
Overview
Work History
Education
Timeline
Generic
MANJUNATHA M R

MANJUNATHA M R

DATABASE ADMINISTRATOR
BANGALORE

Summary

To work in a dynamic technological landscape contributing to the employer’s interests and goals by leveraging on my education, past experience. To fully use my interpersonal and academic skills to pursue a challenging and rewarding career.

· Having 11+years of experience as an Oracle Database Administrator.

· Worked for Wipro Technologies Ltd., Bangalore from March-2011 to June-2014.

· Worked for Fidelity Business Services India Pvt. Ltd., Bangalore from June-2014 to May-2019.

· Presently working for Fair Isaac Corporation., Bangalore from May-2019 to till date.

Overview

14
14
years of professional experience
9
9
years of post-secondary education

Work History

LEAD DATABASE ADMINISTRATOR

Fair Isaac Corporation
BANGALORE
05.2019 - Current

Technical Environment: Oracle 11gR2 RAC, Oracle 12c RAC , Oracle 19c RAC, RMAN, Data guard, Golden gate, OEM 13c, MySQL, AWS (Oracle RDS, MySQL Aurora, MySQL, and Couchbase in EC2 Hosts), Couchbase and UNIX (Red hat/Linux), Gridgain, Shell scripting.


Responsiblities:

  • Almost 800+ databases are being monitored for FICO. Ranging different applications in all DEV, ORT, CORT, CQA and Production environments.
  • Database administrator responsibility includes installing s/w, migrating/upgrade to new releases, applying patches and addressing database-level performance issues,building a dataguard environment, setting Golden Gate replication, etc.
  • Fast respond, resolve and investigate critical DB production issues, conduct in-depth root cause analysis, and implement the proper solution.
  • Manage MySQL replication, lag monitoring, failover, slave promotion, backup, and recovery.
  • Configuration of Replication Server, Master-Master Replication, Master-Master-Slave Replication
  • Troubleshoot Couchbase DB issues, maintain availability & scalability (replication, cluster) at Non-production and production sites.
  • Developed some Unix Shell scripts to automate database operations and database monitoring.
  • Performing Logical backup using Export utility & recovering specific schemas/objects using the Import utility.
  • resolving the user's day-to-day issues.
  • Consistently interacted with the client and team in resolving the queries.
  • Raising SR with the global Oracle support team and following it up to fix bugs found in databases.



LEAD DATABASE ADMINISTRATOR

Fidelity Business Services India Pvt. Ltd
BANGALORE
06.2014 - 05.2019


Technical Environment: Oracle 11gR1, Oracle 11gR2, Oracle 12c (12.1), Data guard, Golden gate, OEM 12c and UNIX (Red hat/Linux).


Description:


  • Almost 70 databases are being monitored for Fidelity investments. Ranging different Applications in all Development, DIT, INT, QA, Performance, UAT, FIRECALL and Production Environment.
  • Databases include Oracle 11 g (R1 & R2 - RAC), OEM 12c (12.1 RAC), Data guard and Golden gate environments. Database administrator responsibility includes installing oracle s/w, migrate/upgrade to new releases and Database level Performance issue solving, Building dataguard environment, setting Golden gate replication etc.

Roles & Responsibilities:

  • Install and configure Oracle Server Software RHEL/LINUX.
  • Monitoring databases using OEM (12c).
  • Apply the oracle security patches periodically.
  • Refresh of development/test databases from production environments.
  • Patched and upgraded 11g databases to 12c (Using RMAN and GG Approach – zero down time).
  • o Performed Database Cloning from Production to Test environment.
  • Setting up of Golden gate replication based on projects need, which also involves co-ordination with other DBA teams.
  • Performed Query Tuning by Explain Plan and AWR utilities.
  • Monitoring and optimizing the performance of the Database through frequent analysis of AWR reports, ADDM reports, ASH reports and proactive performance tuning using OEM utilities.
  • Configure and monitoring Data guard and Golden gate replication for production Databases.
  • Monitoring and maintaining Oracle cluster DB's for their Optimal Performance and ensuing 100% availability of the DB's.
  • Manage the Users, Roles, Profile and Privileges in large Databases.
  • Manage the space that affects data files, archive and redo logs.
  • Ensure the periodical monitoring of DB Alert Logs.
  • Troubleshoot database management and connectivity issues.
  • Analyzing and fixing the performance issues.
  • Developed some Unix Shell scripts to automate database operations and database monitoring.
  • Configure the database audit to ensure the security of database.
  • Performing Logical backup using Export utility & recovering specific schema/object using Import utility.
  • Resolving user's day-to-day issues.
  • Consistently interacted with client and team in resolving the queries.
  • Raising SR with global Oracle support team and following it up to fix bugs found in databases.


Project Engineer

Wipro Technologies Limited
BANGALORE
03.2011 - 06.2014

Technical Environment: Oracle 9i, oracle10g, Oracle 10g RAC, RMAN, Oracle 11gR1, Oracle 11gR2, Dataguard, OEM 10g and UNIX (Solaris).


Description:


  • Almost 160 databases are being monitored for Baxter Inc., ranging different Applications in all Development, QA, Performance, UAT and Production Environment.
  • Databases include Oracle 9i, Oracle 10g, Oracle 11 g (R1 and R2), OEM (grid control), Real Application Cluster (RAC) and Data guard environments. Database administrator responsibility includes installing oracle s/w, migrate/upgrade to new releases and Database level Performance issue solving, etc.

Roles & Responsibilities:

  • Install and configure Oracle Server Software in Sun Solaris (UNIX).
  • Monitoring databases using OEM (10 g).
  • Apply the oracle security patches periodically (SPU and CPU).
  • Managing Oracle Grid Control (Installation of OMS and patching etc.).
  • Refresh of development/test databases from production environments.
  • Patched and upgraded 9.2.0.8 databases to 11.2.0.3.
  • Performed Database Cloning from Production to Test environment.
  • Performed Query Tuning by Explain Plan and Tkprof utilities.
  • Monitoring and optimizing the performance of the Database through frequent analysis of AWR reports, ADDM, Stataspack, Method-R and proactive performance tuning using GRID control utilities.
  • Configure and monitoring Data guard for production Databases.
  • Monitoring and maintaining Oracle cluster DB's for their Optimal Performance and ensuing 100% availability of the DB's.
  • Performed Index Rebuilding.
  • Manage the Users, Roles, Profile and Privileges in large Databases.
  • Manage the space that affects data files, archive and redo logs.
  • Ensure the periodical monitoring of DB Alert Logs.
  • Maintenance and monitoring of Databases and Listeners.
  • Troubleshoot database management and connectivity issues.
  • Analyzing the database object and fixing the performance issues.
  • Developed some Unix Shell scripts to automate database operations and database monitoring.
  • Configure the database audit to ensure the security of database.
  • Incorporating user's requests as per mails.
  • Allocating and reorganization of table spaces.
  • Performing Logical backup using Export utility & recovering specific schema/object using Import utility.
  • Resolving user's day-to-day issues.
  • Consistently interacted with client and team in resolving the queries.
  • Managed and supported 24X7 Oracle9i/10g/11gR1,11gR2 production databases as well as development databases to ensure maximum availability of database resource for various applications
  • Raising SR with global Oracle support team and following it up to fix bugs found in databases.

Trainee Engineer

Bharath Electronics Limited [BEL]
BANGALORE
09.2009 - 10.2010

Career Brief in Bharath Electronics Limited [BEL]

· Attended 1 year (Sep-2009- Oct-2010) apprenticeship program in BEL.

· Exposure in Oracle 9i, Oracle 10g, RAC, RMAN and ASM.

· Designation Trainee Engineer


Technical Environment: Oracle 9i, 10g, UNIX (Linux and RHEL) and Windows.

Roles & Responsibilities


  • Experienced in installing different versions of Oracle on Linux/Windows.
  • Created and managed tablespaces, datafiles, resizing and adding new datafiles etc.
  • Created new user accounts, profiles, and roles and assigned them to different users.
  • Monitoring alertlog on time base for critical errors, and space utilization issues.
  • Taking the backup of the database regularly using Logical, Cold and Hot Backups
  • Monitoring and performing daily incremental backups, weekly backups using RMAN.
  • Check the performance of the database and tune as when requires using tools AWR, EXPLAIN PLAN.
  • Managing undo tablespaces, temporary tablespaces, and redo log groups.
  • Managing tablespaces, users including storage and security issues.
  • Performed Schema Management, Index rebuilding, and analysis o the tables and indexes.
  • Monitoring Alert logs for any errors, problems or processes running.
  • Tablespace reorganization and management.

Education

Diploma - Computer Science

P.V.P Polytechnic
Bangalore, India
06.2006 - 06.2009

Bachelor of Engineering - Computer Science

The Institute of Engineers (India)
Bangalore, India
01.2011 - 05.2017

Timeline

LEAD DATABASE ADMINISTRATOR

Fair Isaac Corporation
05.2019 - Current

LEAD DATABASE ADMINISTRATOR

Fidelity Business Services India Pvt. Ltd
06.2014 - 05.2019

Project Engineer

Wipro Technologies Limited
03.2011 - 06.2014

Bachelor of Engineering - Computer Science

The Institute of Engineers (India)
01.2011 - 05.2017

Trainee Engineer

Bharath Electronics Limited [BEL]
09.2009 - 10.2010

Diploma - Computer Science

P.V.P Polytechnic
06.2006 - 06.2009
MANJUNATHA M RDATABASE ADMINISTRATOR