Oracle Database Administrator

1 week ago


Cochin, Kerala, India Tata Consultancy Services Full time
Job Title: Oracle Database Administrator

At Tata Consultancy Services, we are seeking an experienced Oracle Database Administrator to join our team. As a key member of our database administration team, you will be responsible for ensuring the optimal performance, security, and availability of our Oracle databases.

Key Responsibilities:
  • Database Management: Install, configure, and maintain Oracle databases (versions 12c, 19c, etc.) in a production and non-production environment.
  • Backup and Recovery: Implement and manage database backup, recovery, and disaster recovery procedures using Oracle RMAN.
  • Database Security: Ensure database security by implementing access control, monitoring, encryption, and auditing mechanisms.
  • Performance Tuning: Identify performance bottlenecks and optimize SQL queries, PL/SQL code, and database parameters.
  • Database Upgrades and Patching: Plan, test, and apply database patches and upgrades as needed, ensuring minimal downtime and disruption.
  • Data Integrity and Security: Ensure high levels of data integrity, quality, and availability.
  • Clustering and High Availability: Manage Oracle RAC (Real Application Clusters) and Data Guard for high availability and disaster recovery.
  • Automation and Scripting: Develop and maintain scripts for database monitoring, job scheduling, and automation using tools like Shell, Perl, Python, or PL/SQL.
  • Monitoring and Reporting: Use Oracle monitoring tools (e.g., OEM, Grid Control) to monitor database health, performance, and availability.
  • Incident and Problem Management: Troubleshoot and resolve database issues, ensuring root cause analysis and preventive measures.
  • Database Design and Architecture: Assist in designing database schemas, data models, and indexing strategies to optimize query performance.
  • Documentation: Maintain documentation for database configurations, processes, and procedures.
Requirements:
  • Oracle Database Administration: Strong experience in Oracle 12c/19c database administration, performance tuning, and troubleshooting.
  • SQL and PL/SQL: Advanced knowledge of SQL, PL/SQL for writing, tuning, and debugging queries, procedures, and packages.
  • Backup and Recovery: In-depth knowledge of RMAN for backup and restore operations, and Oracle Flashback for data recovery.
  • Performance Tuning: Proficient in database and SQL tuning using tools like AWR, ADDM, and SQL Tuning Advisor.
  • Database Security: Strong understanding of Oracle database security, auditing, and compliance with data protection standards.
  • Scripting Skills: Proficiency in scripting languages like Shell, Perl, Python for automating database administration tasks.
  • High Availability and Clustering: Experience with Oracle RAC, Data Guard, and clustering solutions for high availability and disaster recovery.
  • Operating Systems: Familiarity with Linux/Unix systems for Oracle database administration.


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