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Oracle Database Administrator

4 weeks ago


Hyderabad India Tekskills Inc. Full time

Job Description Lead Oracle DBA OSS/BSS Transformation Program Location: Hyderabad Experience: 1014 Years Shift: UK Shift (1 PM 10 PM IST) Immediate Hire We are seeking a Lead Oracle DBA to drive the database migration, upgrade, and DR implementation for a large-scale OSS/BSS Transformation Program. This includes transitioning Oracle Communications applications (Siebel, BRM, UIM, etc.) from VMware to OLVM, upgrading Oracle DBs to 19c/23ai, and establishing a highly available DR setup using Data Guard. Key Responsibilities: - Lead Oracle database migrations from VMware-based to OLVM-based environments. - Design and implement Oracle Data Guard (physical standby) for DR and failover. - Perform schema upgrades for Oracle Communications Suite (Siebel 24.x, BRM 12.x, UIM). - Optimize SQL queries, indexing, and database performance for transformed application stacks. - Implement and maintain RMAN backup strategies, validation, and monitoring. - Conduct AWR, ASH, and SQL tuning analysis to ensure post-upgrade performance. - Define database standards and best practices across DEV UAT PROD environments. - Collaborate with app teams, infrastructure, and project management on integration planning. - Mentor mid-level DBAs and guide database change management activities. Required Skills & Experience: - 10+ years of experience in Oracle Database Administration (12c 19c/23ai). - Proven experience with Oracle Data Guard, both configuration and operational management. - Strong knowledge of RMAN, recovery scenarios, and backup validation. - SQL performance tuning using AWR, ASH, Explain Plans. - Hands-on experience with Siebel, BRM, and/or UIM database schemas. - Understanding of database dependencies in OSS/BSS systems. - Experience with migration planning and cutover execution. - Excellent communication and stakeholder management skills.