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17 hours ago

Kolkata, India Tata Consultancy Services Full time

RoleOracle DBARequired Technical Skill SetOracle Database AdministratorDesired Experience Range8-12 YearsLocation of RequirementKolkataMust-Have- 10–15 years of experience in Oracle Database Administration.- In-depth knowledge of Oracle versions 12c, 19c, and 21c.- Experience with RAC (Real Application Clusters) and ASM (Automatic Storage Management).- Proficient in RMAN backup and recovery strategies.- Strong knowledge of Oracle Data Guard for high availability and disaster recovery.- Hands-on experience in performance tuning and query optimization.- Experience with Oracle Enterprise Manager (OEM) for monitoring and management.- Experience with patching, upgrades, and database cloning.- Solid understanding of Unix/Linux system administration related to Oracle.- Proficiency in writing complex PL/SQL scripts and shell scripting for automation.- Experience in handling large-scale database environments (multi-TB).- Good communication skills with both technical and management teamsGood-to-Have- Exposure to Oracle Cloud Infrastructure (OCI) and Autonomous Databases.- Experience with GoldenGate or other replication tools.- Knowledge of PostgreSQL or MySQL and Mongo DB administration.- Experience in database security auditing and compliance.- Familiarity with Ansible, Terraform, or other IaC tools for database deployment automation.- Exposure to containerization (Docker/Kubernetes) in relation to databases.- Oracle certifications (e.g., OCP, OCM) are a strong plus.- Familiarity with ITIL processes and change management procedures.Role descriptions / Expectations from the Role- The ideal candidate will be responsible for the installation, configuration, performance tuning, backup/recovery, and troubleshooting of Oracle databases across various versions (including Oracle 12c/19c/21c).- The candidate should have experience working in high-availability environments and demonstrate strong skills in automation, security, and compliance.- Perform periodic maintenance / patching as required- Monitor database performance and perform proactive tuning.- Manage backup and recovery using RMAN and Oracle Recovery Manager strategies.- Define and implement best practices and automation initiatives.- Lead database migration projects (on-prem to cloud / version upgrades).

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