Arumugaraj Kuthalingam
Chennai
Summary
Accomplished Database Administrator with extensive experience at Fiserv, specializing in Oracle and MySQL database migrations and performance tuning. Proven track record in upgrading critical systems and automating health checks, showcasing strong analytical skills and technical expertise. Adept at leveraging RAC and Golden Gate for seamless database operations in high-pressure environments.
Overview
14
14
years of professional experience
1
1
Certification
Work History
Database Administrator – Sr Professional II
Fiserv
Chennai
04.2024 - Current
- Company Overview: Fiserv is a global financial technology company (NYSE: FI), specializing in payments and financial services, connecting financial institutions, businesses, and individuals to power payments, financial services, and commerce.
- Upgraded 3 node RAC DB from 12c to 19c
- Installed 3 node RAC Databases as per the standard
- Installed and configured OEM for our regional databases
- Created the dashboard using AHF insights to our all regional databases
- Fiserv is a global financial technology company (NYSE: FI), specializing in payments and financial services, connecting financial institutions, businesses, and individuals to power payments, financial services, and commerce
Tech Lead
FSS (Financial Software Solutions)
Chennai
10.2022 - 04.2024
- Company Overview: FSS comprehensive payments portfolio enables Banks, Central Regulators, Governments, Financial Intermediaries, Merchants and Payment Associations To leverage opportunities in today’s dynamic digital world
- Migrated 2 node Cluster database from Windows to RHEL Environment using Golden gate and fine-tuned all DB level queries during war room period
- Oracle 2 node Grid +DB upgraded from 12.2 to 19.20
- I am being part of SRE (Site Reliable Engineer) team which is the pilot for all DB migration projects in my organization
- Automated daily health check reports and implemented the script for rotational housekeeping activities
- Performance tuning for all databases and provided the road map to L1 and L2 team routine activities
- Migrated Oracle and MySQL databases from On-premises to AWS Cloud
- MySQL DB has been installed in 3 node RAC and setup Master-Slave configuration for Failover purpose
- Installed EDB 13 databases in RHEL Environment
- Good Experience in PostgreSQL Installation 11, 12.2 and 13 Non-Production and Production support
- Completed Master – Master replication using ruby-rep in PostgreSQL
- Perform DR switch over activity for both Oracle, MySQL and Postgres Databases periodically
- FSS comprehensive payments portfolio enables Banks, Central Regulators, Governments, Financial Intermediaries, Merchants and Payment Associations To leverage opportunities in today’s dynamic digital world
Database Administrator
Tamilnad Mercantile Bank
Chennai
11.2019 - 09.2022
- Company Overview: Tamilnad Mercantile Bank Limited (TMB) is a bank headquartered at Thoothukudi, Tamil Nadu, India
- TMB was rated as the fastest growing Private Sector Bank continuously for the five years from 2010 to 2015
- It was also rated as the Best Bank in the years 2013, 2014 and 2015, due to its robust growth
- Upgraded databases from 12c to 19c in Linux and Solaris Environment and 11g to 19c in AIX environments as part of Finacle 10x upgrade
- Primary DBA for banking critical databases such as core banking, ATM, UPI, SMS, CTS etc
- Migrated & Upgraded of our Bank UPI, ATM, CTS and Core Reporting Databases from oracle 12c to 19c
- Installed MySQL DB and setup Master-slave configuration for low transaction databases
- Installation and configuration completed for Postgres Master-Slave replication
- Implementing and maintaining database security (create and maintain users, roles and assign privileges) for both MySQL and Postgres
- Configured Zabbix alert for MySQL and Postgres Databases
- Provided 2
- 7 support for production database activities
- Tamilnad Mercantile Bank Limited (TMB) is a bank headquartered at Thoothukudi, Tamil Nadu, India
- TMB was rated as the fastest growing Private Sector Bank continuously for the five years from 2010 to 2015
- It was also rated as the Best Bank in the years 2013, 2014 and 2015, due to its robust growth
- Designation: Manager
Oracle Database Administrator
DXC Technologies (HP Global Soft Pvt Ltd)
Chennai
05.2011 - 10.2019
- Project Title: Corporate Performance Management (CPM) Client: Telstra - Australia
- The environment comprises of Oracle 11g and 12c in Linux server
- Created 12c database in Exalytics server using in-memory
- Migrated the data from the existing production environment (1.5 TB)
- Enabling DB Monitoring script (tablespace, filesystem, stats collection, alert log, in-memory, partitions..
- Etc.)
- Providing 24
- 7 support for CPM & CDW production and non-prod database
- Resolving and providing RCA for all the incidents which is related to CPM & CDW databases
Oracle Database Administrator
DXC Technologies (HP Global Soft Pvt Ltd)
Australia
06.2017 - 02.2018
- Managed the OSS (Operation support system) group of applications which consists of several business-critical applications
- The environment comprises of Oracle 9i & 11g on Solaris & Linux
- Configuring new databases for testing
- DB migration in production from 9i to 12c using Golden Gate
- DB migration from 11g to 12c using TTS method in Datawarehousing environment
- Automation for alert logs to come through mails
- Supporting various customers base and troubleshooting issues in production environment involving various Internet technologies
- Verifying the backup in daily, weekly and archive log backup status
- Tuning queries for users when querying time is high
- Managing Backup and recovery
Oracle DBA Production Support
DXC Technologies (HP Global Soft Pvt Ltd)
Chennai
09.2013 - 05.2017
- Daily Health check of the database in ORACLE environment
- Work as part of a team and provide 24
- 7 supports when required
- Resolving user’s day-to-day issues
- Critical Support for Problem identification, investigation, and resolution
- Create and Update Business Logic (Technical Design), Create and Update Consequential Impact Assessment
- Setup SIT Environment, System Integration Testing with Interfacing Applications
- Cloning around 1.5 TB database to testing using production snapshot backup
Production and DBA support
DXC Technologies (HP Global Soft Pvt Ltd)
Chennai
05.2011 - 08.2013
- Company Overview: The General Motors Company is an American multinational automotive manufacturing company headquartered in Detroit, Michigan, United States
- Performing daily activities including Application support, Database monitoring and performance tuning and fixing Performance related issues in data warehouse databases
- Understanding the client requirements and designing the databases by doing capacity planning
- Enabling audit and security to all production, QA and Development database
- Supporting and tuning application jobs and loads
- Creating database user/roles based on business requirements
- Performing database backup and recovery using RMAN, Data pump
- Planning and implementing backup strategies and ensuring successful backup of oracle databases at any point of time
- The General Motors Company is an American multinational automotive manufacturing company headquartered in Detroit, Michigan, United States
Education
MCA LE - Computer Applications
Manonamiam Sundaranar University
01.2016
BCA - Computer Applications
Sri Paramakalyani College
01.2010
Intermediate - Maths, Physics
Punitha Arulappar Hr. Sec school
01.2006
SSLC -
Govt High School
01.2004
Skills
- Oracle core DBA
- Linux Administration
- Amazon RDS
- Data guard
- RAC
- Oracle Golden Gate
- Enterprise DB
- MySQL DB
- Postgres DB
- Oracle 9i
- Oracle 10g
- Oracle 11g
- Oracle 12C
- Oracle 19c
- Postgres
- MySQL
- Solaris
- Red Hat Enterprise Linux
- Oracle Enterprise Linux
- AIX
- Shell Script
- SQL
- PL/SQL
- Toad
- SQL Developer
- VMware Workstation
- Putty
- Winscp
- Veeam
- Dell EMC
- IBM
- Tivoli
- Performance tuning
- Database migration
Certification
- Oracle Database SQL Fundamentals I
- Oracle Database 11g Administration I
- Oracle Certified Professional in 12c
- Oracle Autonomous Database Cloud Specialist
Languages
- English
- Tamil
- Telugu
Personal Information
- Date of Birth: 03/15/89
- Nationality: Indian
- Marital Status: Married
Specialization
Oracle core DBA, Linux Administration, Amazon RDS, Data guard, RAC, Oracle Golden Gate, Enterprise DB, MySQL DB, Postgres DB, Oracle 9i, Oracle 10g, Oracle 11g, Oracle 12C, Oracle 19c, Postgres, MySQL, Solaris, Red Hat Enterprise Linux, Oracle Enterprise Linux, AIX, Shell Script, SQL, PL/SQL, Toad, SQL Developer, VMware Workstation, Putty, Winscp, Veeam, Dell EMC, IBM, Tivoli
Timeline
Database Administrator – Sr Professional II
Fiserv
04.2024 - Current
Tech Lead
FSS (Financial Software Solutions)
10.2022 - 04.2024
Database Administrator
Tamilnad Mercantile Bank
11.2019 - 09.2022
Oracle Database Administrator
DXC Technologies (HP Global Soft Pvt Ltd)
06.2017 - 02.2018
Oracle DBA Production Support
DXC Technologies (HP Global Soft Pvt Ltd)
09.2013 - 05.2017
Oracle Database Administrator
DXC Technologies (HP Global Soft Pvt Ltd)
05.2011 - 10.2019
Production and DBA support
DXC Technologies (HP Global Soft Pvt Ltd)
05.2011 - 08.2013
MCA LE - Computer Applications
Manonamiam Sundaranar University
BCA - Computer Applications
Sri Paramakalyani College
Intermediate - Maths, Physics
Punitha Arulappar Hr. Sec school
SSLC -
Govt High School
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