Open to opportunities

Maria John Dass Dass

@mariajohndassdass

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Senior Oracle Database Administrator with extensive cloud and database expertise.

India

Message

What I'm looking for

I seek a challenging role in a collaborative environment that fosters growth.

Oracle DBA, Dataguard, RAC, MS Sql, AWS, AWS RDS

With over a decade of experience in database administration, I have honed my skills as a Senior Oracle Database Administrator, currently working at Tech Mahindra Pvt Ltd. My journey began with a strong foundation in Oracle databases, where I have successfully managed and optimized various database environments, ensuring high availability and performance.

Throughout my career, I have been involved in critical projects, including supporting the Telefonica Germany project and the Rubikon Core Banking System. My expertise spans across Oracle versions 10g to 19c, and I have a proven track record in disaster recovery, database migration, and performance tuning. I am also certified in Oracle Cloud Infrastructure, which enhances my ability to manage databases in cloud environments effectively.

I am passionate about leveraging my technical skills to contribute to organizational growth and am always eager to learn and adapt to new technologies. My goal is to be part of a dynamic team that values innovation and collaboration.

Experience

Work history, roles, and key accomplishments

Current

Senior Oracle Database Administrator

Current

Tech Mahindra Pvt Ltd

Jun 2022 - Present (3 years)

Currently supporting the Telefonica Germany project, managing production and test databases, troubleshooting issues, and performing schema refresh activities. Responsible for database migrations and performance tuning.

Linux AWS Data Migration Performance Tuning Jenkins

Oracle Database Administrator

Neptune Financial Software Pvt Ltd

Feb 2020 - May 2022 (2 years 3 months)

Provided production support for the Rubikon Core Banking system, ensuring database availability and performing upgrades. Managed user roles and privileges, and executed database scripts.

Oracle Cloud Linux Schema Refresh

Oracle Database Administrator

Genuine IT Solution

Jan 2017 - Jun 2021 (4 years 5 months)

Maintained Oracle databases, created user schemas, and managed backups. Configured standby databases and performed cloning for development purposes.

Oracle 10g Linux Backup Schema Database Cloning

Oracle Database Administrator / System Administrator

Jain Hydraulics Private Ltd

Jul 2013 - Aug 2016 (3 years 1 month)

Provided 24/7 Oracle database support for the Employee Provident Fund Organization, managing critical production environments and performing regular backups.

Oracle 10g RHEL Backup Release Management Performance Tuning

System Administrator

Paragon Logistics Private Ltd

Aug 2012 - Jul 2013 (11 months)

Managed system configurations, applied OS updates, and provided hardware/software support. Ensured network infrastructure was operational and performed troubleshooting.

Windows System Configuration Troubleshooting Network Management Performance Tuning Security Management

Oracle Database Administrator

SunSea Private Ltd

May 2011 - Mar 2012 (10 months)

Maintained Oracle databases, created tablespaces, and performed logical backups. Monitored database growth and resolved user session issues.

Oracle 9i Windows Backup Performance Monitoring Troubleshooting

Education

Degrees, certifications, and relevant coursework

St. Joseph’s College

Master of Computer Applications, Computer Applications

2007 - 2010

Grade: 76.7%

Completed a Master of Computer Applications (MCA) with an aggregate of 76.7%. The program focused on advanced computing concepts and applications.

Arul Anandar College

Bachelor of Science, Mathematics

2004 - 2007

Grade: 66.16%

Graduated with a Bachelor of Science in Mathematics, achieving an aggregate of 66.16%. The curriculum included various mathematical theories and applications.