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Tata Consultancy Services

Oracle Database 12C Administration

Actively Reviewing

Tata Consultancy Services

Kolkata Full-Time 2–4 yrs exp Posted 9 hours ago  · Apply by Sep 14, 2026

Job Summary

We are looking for an experienced Oracle Database Administrator (DBA) with 5–9 years of hands-on expertise in Oracle Database 12c Administration. The ideal candidate should have strong experience in database installation, configuration, performance tuning, backup & recovery, patching, security management, and high-availability solutions. Experience in managing mission-critical production environments is highly desirable.

Key Responsibilities

  • Install, configure, upgrade, and maintain Oracle Database 12c environments.
  • Administer Oracle databases across Development, Test, UAT, and Production environments.
  • Monitor database performance and implement tuning recommendations.
  • Perform database backup, recovery, and disaster recovery activities.
  • Manage database security, users, roles, privileges, and auditing.
  • Execute database patching, upgrades, and migration activities.
  • Perform capacity planning and storage management.
  • Troubleshoot database issues and provide root cause analysis.
  • Implement and manage High Availability solutions using Oracle RAC and Data Guard.
  • Support database refreshes, cloning, and replication activities.
  • Collaborate with application, infrastructure, and support teams.
  • Create and maintain database administration documentation and SOPs.