About the Job:
As an Oracle Core DBA, you will play a critical role in managing Oracle databases across various environments, ensuring optimal performance, availability, and reliability. You'll be involved in implementing, upgrading, and maintaining Oracle databases while tackling challenges such as database migrations and performance tuning. Your expertise will contribute significantly to our mission of providing top-notch IT services and business solutions within a global framework.
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About Us:
Tata Consultancy Services (TCS) is an IT services, consulting, and business solutions organization that has been partnering with many of the world’s largest businesses in their transformation journeys for over 50 years. TCS offers a consulting-led, cognitive-powered, integrated portfolio of business, technology, and engineering services and solutions. This is delivered through its unique Location Independent Agile™ delivery model, recognized as a benchmark of excellence in software development. A part of the Tata group, India's largest multinational business group, TCS has over 616,171 of the world’s best-trained consultants with 157 nationalities in 53 countries.
Must Have Skills:
- Oracle DBA
- DB Performance Tuning
- DB Monitoring
- OEM
Good to Have Skills:
- Exadata exposure
- RAC setup
Key Responsibilities:
- Implementation, upgrade, planning, designing, and maintaining Oracle databases (19c, 12c, 11g, 10g, 9i) on multiple RAC nodes.
- Multitenant Database upgrade to 19c from previous versions in OCI Exadata.
- Quarterly PSU patching on Grid/Multitenant Database using dbaascli, exadbcmulti utility in OCI Exadata infrastructure.
- Oracle RAC database cloning in Exadata infrastructure.
- Implementation, upgrade & managing Oracle Connection Manager 19c.
- OEM 13c installation and management to monitor various databases/applications/hosts running on Exadata.
- Knowledge of Dom0/U patching in Exadata infrastructure.
- Monitoring, managing & troubleshooting Tablespace, Datafiles & Oracle ASM disk group.
- Database migrations from physical to virtual servers and vice versa.
- Implementation and performance of RMAN backups & recovery.
- Cross-platform migration from Big Endian to Small Endian format OS and vice versa.
- Troubleshooting cluvfy and handling common issues during RAC installation and deinstallation.
- Troubleshooting & fixing RAC related issues (split brain, RAC recovery, ASM, OCR corruptions, Voting disk loss, etc.).
- RAC Node addition and deletion.
- Implementation and management of standby and DR sites.
- Performing switchover and failovers from production to DR sites and vice versa.
- Performance Tuning Skills - Analyzing AWR report, oswatcher, exatcher, etc.
- Understanding and mitigating security vulnerabilities identified through vulnerability scans.
Language Requirements:
Not specified.
