Hi, I’m
Muruganantham Arumugam
THORNTON,CO
Summary
Proven Oracle DBA with 14 years of experience in managing large-scale production databases, adept at proactive performance optimization, disaster recovery planning, and database consolidation initiatives across diverse environments.
A seasoned Oracle DBA with extensive expertise in administering complex database architectures, including RAC, Exadata, and Data Guard, with a strong focus on ensuring high availability and data integrity.
Experienced Oracle DBA skilled in database design, implementation, maintenance, and troubleshooting, with a proven track record of delivering reliable database services for mission-critical applications.
Overview
15
years of professional experience
Work History
ORION INNOVATION,
Database Architect
05.2023 - 12.2024
Job overview
Senior Oracle Database Administrator
Spearheaded the migration of 500+ instances from Oracle 11g to 19c, ensuring seamless transition and zero downtime, optimizing system performance by 30%
Designed and Implemented a new data warehousing solution with Oracle Exadata, enhancing analytics capabilities and improving query performance by 50%
Collaborated with cross-functional teams to establish a company-wide backup and disaster recovery plan, reducing potential data loss risk by 90%
Mentored a team of 10 junior DBAs, enhancing team productivity by 25% and reducing incident response times by 40%
Automated routine database maintenance tasks using Oracle Enterprise Manager, saving an estimated 20 hours per week in manual effort
Kyndryl SOLUTIONS
Lead Database Administration
09.2021 - 03.2023
Job overview
Lead Database Administrator
Increased database availability to 99.9% uptime by implementing Advanced Replication with an automated failover strategy
Optimized PL/SQL scripts and storage procedures to improve application response time by 35%, significantly improving user satisfaction
Enhanced database security by implementing Oracle Advanced Security, resulting in a 75% decrease in potential vulnerabilities
IBM
Senior Tech Services Specialist
09.2017 - 08.2021
Job overview
Senior Database Administrator
Increased database availability to 99.9% uptime by implementing Advanced Replication with an automated failover strategy
Optimized PL/SQL scripts and storage procedures to improve application response time by 35%, significantly improving user satisfaction
Enhanced database security by implementing Oracle Advanced Security, resulting in a 75% decrease in potential vulnerabilities
Verizon Data Services
Consultant-Database Administrator
12.2010 - 08.2017
Job overview
Oracle Database Administrator
Executed daily database administration tasks on 20+ Oracle 12c databases, contributing to a consistent performance across the company's IT infrastructure
Aided in the development of a centralized database management system, improving data accessibility for 200+ users
Infinite Computer Solution
Database Administrator
02.2010 - 12.2010
Job overview
Database Support Technician
Assisted in troubleshooting and resolving 200+ weekly database-related tickets, achieving a 95% satisfaction rate
Compiled and maintained documentation on database configurations and procedures, ensuring compliance with company standards
Education
University of BharathidasanTamil Nadu,India
Master of Science from Master of Computer Application
04-2008
Skills
Database Management: Oracle 19c/12c, Microsoft SQL Server, MySQL, PostgreSQL, MongoDB, Cassandra
Languages & Scripts: SQL, PL/SQL, Python (Pandas, NumPy), Shell Scripting, Java, PowerShell
Tools & Platforms: Oracle RAC, Oracle Exadata, Oracle Enterprise Manager, AWS RDS, Azure SQL, VMware
Data Security & Backup: Oracle Advanced Security, RMAN, DataGuard, Flashback, NetBackup, Transparent Data Encryption (TDE)
OTHER
Certifications: AWS Certified Solutions Architect – Associate, GCP - Associate Cloud Engineer, Microsoft Azure Fundamentals, EXIN CCC Big Data Foundation, IBM Blockchain Foundation Developer, ITIL® Foundation Certificate in IT Service Management.
Professional Development: Attendee at Oracle OpenW, orld 2019, IBM Think 2018
Technical Contributions: Contributor to Oracle Community forums, Author of white paper on 'High Availability in Oracle Database Environments'
Memberships: Member of the Independent Oracle Users Group (IOUG), Member of the Professional Association for SQL Server (PASS)
Timeline
Database Architect
ORION INNOVATION,
05.2023 - 12.2024
Lead Database Administration
Kyndryl SOLUTIONS
09.2021 - 03.2023
Senior Tech Services Specialist
IBM
09.2017 - 08.2021
Consultant-Database Administrator
Verizon Data Services
12.2010 - 08.2017
Database Administrator
Infinite Computer Solution
02.2010 - 12.2010
University of Bharathidasan
Master of Science from Master of Computer Application
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