Rose Nchapanu
@rosenchapanu
Senior Oracle Database Administrator specializing in RAC, Data Guard, GoldenGate, and cloud/hybrid migrations for mission-critical uptime.
United StatesWhat I'm looking for
I’m a Senior Oracle Database Administrator with 8+ years of experience supporting enterprise-scale, mission-critical Oracle environments. I specialize in Oracle 11g, 12c, 19c, 21c, 23ai, and 26ai, with deep expertise in RAC, ASM, Data Guard (including Active Data Guard), GoldenGate, Exadata, and Multitenant CDB/PDB architecture, including RMAN and OEM monitoring.
I focus on 24x7 production reliability—executing zero-downtime upgrades and patching, optimizing SQL workloads using AWR/ASH/ADDM and ADDM, and strengthening database security with TDE and access controls. I also lead cloud/on-prem migrations and modernization across AWS, OCI, and Exadata, partnering across application, infrastructure, cloud, and security teams to deliver controlled cutovers with minimal downtime.
Experience
Work history, roles, and key accomplishments
Administer and support enterprise Oracle database environments across production, UAT, QA, and development, including CDB/PDB administration, RMAN backups, Data Pump, patching, cloning, and refreshes. Ensure high availability and disaster recovery with Oracle RAC/ASM and Data Guard, and optimize performance using OEM 13c, AWR/ASH/ADDM and SQL Tuning Advisor while automating monitoring and security
Administered Oracle 12c, 19c, 21c, and 23ai databases across Linux, AIX, UNIX, and Windows, managing RAC/ASM, Data Guard, GoldenGate, Exadata, and Multitenant CDB/PDB environments. Performed installations, upgrades, patching, RMAN backup/recovery and Data Pump migrations, tuned performance using OEM/AWR/ASH/ADDM, and supported security controls including TDE and access review/audit reporting.
Administered Oracle 11g, 12c, and 19c databases across development, test, UAT, DR, and production for financial applications, supporting RAC/ASM, Data Guard, RMAN, OEM, Data Pump, patching, backup/recovery, and performance tuning. Built CI/CD-driven database deployment artifacts and automated refreshes, backups, monitoring, and alerting using Git/Jenkins and ServiceNow workflows, and supported mig
Administered Oracle and SQL Server databases across development, testing, and production, supporting 24x7 DBA operations including monitoring, tuning, backup/recovery, and security. Managed Oracle E-Business Suite environments (patching, cloning, monitoring, refreshes, troubleshooting) and performed RMAN and Data Pump operations, while automating routine OS/DB tasks with Unix shell scripting and s
Education
Degrees, certifications, and relevant coursework
University of Maryland University College
Bachelor of Science, Management Information Systems
Earned a Bachelor of Science in Management Information Systems.
Tech stack
Software and tools used professionally
Availability
Location
United StatesAuthorized to work in
Job categories
Skills
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