Sijith VJ
Bangalore
Summary
Oracle DBA with 11+ years of experience managing Oracle, MS SQL, and MySQL databases. Experienced in RAC, Data Guard, GoldenGate, performance tuning, migrations, upgrades, and advanced database security. Focused on ensuring high availability, safeguarding critical data, and optimizing performance to support business goals.
Overview
14
14
years of professional experience
1
1
Certification
Work History
Principal Software Engineer
Oracle
02.2024 - Current
- Provided end-to-end administrative support for Oracle RAC, Clusterware, and Oracle Database Appliance (ODA) including installations, patching, and upgrades.
- Supported customers during mission-critical Clusterware outages and coordinated GRID/OS/DB patching activities.
- Performed OCR/VD restores, node additions/deletions, and full node reinstallations in RAC environments.
- Administered and maintained ASM disks, including disk group creation, resizing, rebalancing, and failure recovery.
- Managed ODA maintenance activities including upgrades, patching, reimaging, and ODABR operations.
- Resolved RAC listener and connectivity issues to ensure high availability and performance.
Associate Consultant
TATA Consultancy Services
10.2023 - 01.2024
- Provided database administration and support for WHG group environments, including Oracle, AWS RDS, and PostgreSQL.
- Managed user access control, authentication, and database security policies.
- Assisted in database patching, upgrades, and performance tuning to ensure optimal system performance.
- Scheduled, monitored, and maintained automated jobs for routine database maintenance and health checks.
- Performed backup and recovery operations, and ensured adherence to data retention and compliance standards.
- Collaborated with development and application teams to troubleshoot and resolve database-related issues.
Assistant Manager – DBA
Dhanlaxmi Bank
02.2014 - 09.2023
- Work closely with application teams and identify potential performance problems and offer advice
- Develop and maintain documentation related to database development based on policies, guidelines and standards
- Provided technical assistance for designing, installation and upgrading of existing Oracle databases.
- Proactively monitored and diagnosed symptoms using OEM (Enterprise Manager) to significantly increase the probability of success of production db and application.
- Advanced Backup and Recovery using Oracle’s RMAN software; used offline/online for recovery in a production environment.
- On-going proactive database-level performance tuning, with a good working knowledge of Oracle internals.
- Implemented and maintained Oracle 10g/11g/19c Data Guard/standby(Logical/Physical) databases for fail-over purposes.
- Involved in bug-fix patches for Grid Infrastructure, RDBMS Software.
- Experience with ‘graceful’ switchover and switchback between primary and standby databases.
- Replicated several databases to a disaster recovery site for increased server manageability and availability.
- Installation/Upgrade of RAC and Managing RAC Environment efficiently.
- Skills in applying security patches (Patch set, Critical Patch Updates (CPU) / Patch Set Updates (PSU), One - off Patch) using Perl based utility “Opatch”.
- Implementing and maintaining database security/TDE/Masking/Redaction (create and maintain users, roles and assign privileges)
- Monitored and automated alert for production Oracle alert logs for database errors.
Assistant Manager- IT Projects
Dhanlaxmi Bank
04.2013 - 01.2014
- Managed high availability for all applications, ensuring minimal downtime.
- Performed data cleansing activities and applied patches to maintain system integrity.
- Ensured database synchronization, executed backup management, reporting, and recovery operations.
- Installed and upgraded applications on servers in accordance with documented procedures.
- Performed remote installation and troubleshooting of application software on workstations.
- Managed and synchronized application databases in disaster recovery (DR) environments.
- Coordinated with vendors for timely resolution of critical issues.
Business Analyst
Dhanlaxmi Bank
11.2011 - 03.2013
- Recorded, transcribed, and distributed weekly meetings
- Interacted with the Technical Design team and contributed in impact analysis and creation of the Technical specifications.
- Troubleshooting and fix Oracle EBS Issues/problems.
- Patching, Cloning, Backup and restore of Database (Database Administration).
- Report development using Report Builder, oracle BI publisher etc…
- Vendor coordination and Service request follow up for Issue resolution.
- Several Adhoc report extraction from database using queries.
- User and Scheduler Maintenance/Query Handling.
- Provided technical assistance to the testing team to understand and setup the testing scenarios and to execute technical intervention test cases.
- Involved in end-user training and creating user manual document.
Education
B-Tech - Electronics and Communication
Cochin University of Science And Technology
Poonjar, Kerala03.2010
Skills
- Hardware : SUN Sparc Series, IBM , ODA-X8/X9/X10/X11
- Operating System: Linux x86 /x86-64, IBM-AIX, Solaris SPARC64, Windows Server 2003/2008/R2/2012
- Tools / Utilities: TOAD, DBverify, Mobaxterm, Putty, CRSCTL,SRVCTL,OCRCONFIG, TKPROF,RMAN,DATAGUARD,XPLAN,AWR,ASH,ADDM, oratop, Statspack and OEM Grid control, Visual Studio ,Shell Scripting, Power Shell
Websites
Certification
- Oracle Database Administration 2019 Certified Professional - OCP
- Oracle Cloud Infrastructure 2025 Certified Foundations Associate
- Oracle Cloud Infrastructure 2025 Certified AI Foundations Associate
- ISMS- Internal Auditor ISO/IEC 27001:2013(bsi.)
Timeline
Principal Software Engineer
Oracle
02.2024 - Current
Associate Consultant
TATA Consultancy Services
10.2023 - 01.2024
Assistant Manager – DBA
Dhanlaxmi Bank
02.2014 - 09.2023
Assistant Manager- IT Projects
Dhanlaxmi Bank
04.2013 - 01.2014
Business Analyst
Dhanlaxmi Bank
11.2011 - 03.2013
B-Tech - Electronics and Communication
Cochin University of Science And Technology
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