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Efficient administrator eager to leverage knowledge in cloud-based database management systems. Skilled in database security, backup, recovery, high availability and disaster recovery scenario's. Team-oriented with strong work ethics.

Over all 17 years of IT experience as a Sr.PostgreSQL DBA , Sr.MySQL DBA , Mongo DBA , Sql server & Sr. Oracle Database Administrator, RAC Administration and Application DBA on various platforms. 10+ Years of expertise in PostgreSQL with knowledge of installations and Configurations on various platforms along with the implementation of DR setup etc. 7+ Years of expertise in MySQL with knowledge of installations and Configurations on various platforms. Hands on experience in Master-to-Master replication. When I joined this project, it was not good the DB Performance wise. But now I completely got the insight and improved my DB Performance up to 35%. I am supporting to the administer applications and also helping application teams to run the solutions faster.. I focus to monitor the bloats and to remove them using PG_REPACK utility without a downtime. Scheduled the daily gather stats frequently using tables in non-peak hours and also scheduled the same job on all table in every Sunday. We always maintain High availability at cluster level. We regularly test the failover mechanism. Major task to monitor and set the notification on replication. If we see a lag at replication level we will get an email notification and also teams alert. I reduced the IOPS cost based on the writes at table level. Expert in Performance Monitoring and Tuning of PostgreSQL Databases on Unix/Linux platform. Experience in Database Performance Tuning, Optimization, Query rewriting and Troubleshooting. Oracle Exadata, RAC Expert in Oracle database technologies aspect. Having expertise skill in Install, Configure, Upgrade, Migrate, Maintain and Support Oracle Databases, related tools and products on various Infrastructure platforms. Expertise in support Oracle Real Application Clusters and Oracle Exadata Machine environment includes cell nodes administration which is hosting critical applications of database environments for Investment Banks & Financial Institutions. Hands on experience in GoldenGate configuration and support. Strong experience in configuring, integrating, and maintaining all Development, QA, Staging and Production PostgreSQL databases within the organization. Knowledge in implementing, configuring, and troubleshooting database instances, replication, backup, partitions, storage, and access. Proficient knowledge in migrating data from different RDBMS to PostgreSQL using Golden gate. Hands on experience of database backups and Recovery strategies using RMAN, Hot Backup, Export, and Transportable Tablespace. Experienced in Capacity Planning, Configuration, Installation, Upgrades and High Availability (HA) solutions and Backup & Recovery, performance tuning & Cloning. Expertise at database administration activities such as monitoring database instances activity for blockers, waiting sessions, locks, dead locks, services start-up problems, Cluster management, connectivity problems, and max session reached errors etc… Expert in Performance Monitoring and Tuning of Oracle Databases on Unix/Linux platform Performance Tuning using SQL Tuning Advisor, Statspack, ADDM and AWR report Plan, test & implement the database Backup & Recovery strategy depending on the database size. Checking the daily, weekly, monthly backup status


  7 Plus Years of Oracle Applications database administrator with 11g RAC experience in 11i and R12 Implementations and Post Production Support projects.
  Upgraded from 12.1.3 to 12.2.4,.Install and configure the 12.2.4 and upgrade from 12.2.4 to 12.2.5.Applied patches on 12.2.4 with adop utility with all the options.
  Installed and configured Oracle 12c.Good knowledge on CDB and PDB databases.
  Experience on Data guard and Active Data guard setup on Oracle 11g.
  Installation and configuration of R12, 11i with Manufacturing, Healthcare and IT sectors.
  Specialized in Oracle Databases (Versions 11g, 10g, 9i), Oracle Apps Database Administration (R12, 11.5.10, 11.5.9).
  User Management setups in R12, 11i environment ans DMZ Setup on R12.
  Experience with tools such as OEM12c, Oracle ADI, XML Publisher and Workflow , Advanced Supply Chain Planning (ASCP).
  Worked on Incident management within SLA for all production issues providing RCA for those issues,Written Monitoring scripts for health check of Oracle apps and core dba.
  Database Performance Tuning using (stats pack, tkprof, AWR),Advance performance Table compression experience on 11g,Expert on Oracle memory, storage, and I/O internals.Expertise in Explain plan and SQL Optimizer use to resolve the performance issues,Oracle Apps performance on Concurrent Mangers and workflow related issues.
  Install,Upgrade, Support and maintain Oracle EBS applications with high availability and DR and also Worked on Setup, configure, implement, test and validate Oracle E-Business Application modules and OID- OAM, Single Sign on.
  Experience with Java and Java Database Connectivity (JDBC)
  Expert in RMAN backup process and Restorations. Able to write shell scripts for scheduling the jobs as per business requirement.
  Worked on Parallel Concurrent Processing(PCP) as well as debugging concurrent managers and requests
  Worked on disaster recovery and fail over plans .
  Good at applying patches of Oracle Applications and Maintenance Activities using AD Utilities. Experienced in Space Management, Memory Tuning and Application Tuning.
  Troubleshooting expertise for all tiers (Apache, Forms, Concurrent, Admin, J-initiator and database) ·
  Handling the offshore/onsite Team as a Team Lead and Manage project - task estimation, planning, risk mitigation analysis, etc.
  Worked with Oracle for resolving critical and transactional issues through SR’s and OWC’s. Good at intellectual knowledge base creation-documentation during the project implementation phase and Post production phase · Excellent communication, analytical and inter personal skills and ability to learn new concepts and supported 24/7 on call in production and development environment.



Oracle Certified DBA with over 10 years of experience in managing complex Oracle E-Business Suite (EBS), Core DBA operations, and Oracle Cloud Infrastructure (OCI) administration. Proven expertise in EBS upgrades, database migrations, OCI deployment, RAC, ASM, RMAN, Data Guard, and performance tuning. Adept at supporting global enterprise clients across the US, UK, Europe, and Asia, with a strong focus on high availability, security, and automation.

Overview

Summary

Work History

Oracle DBA L3

Oracle DBA L3

Oracle DBA L3

Oracle DBA L3

LEAD DBA

Senior DBA Consultant

Senior DBA Consultant

Senior DBA Consultant

Oracle DBA

Database Administrator engineer

Database Administrator engineer

Database Administrator engineer

Database Administrator engineer

Education

B.SC. - Computer Science

HSC - Science

SSC -

Skills

Languages

Timeline

Oracle DBA L3

Oracle DBA L3

Oracle DBA L3

Oracle DBA L3

LEAD DBA

Senior DBA Consultant

Senior DBA Consultant

Senior DBA Consultant

Oracle DBA

Database Administrator engineer

Database Administrator engineer

Database Administrator engineer

Database Administrator engineer

B.SC. - Computer Science

HSC - Science

SSC -

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