Oracle DBA with 4.3+ years of experience in managing Oracle Database environments (11g, 12c, 19c). Skilled in installation, configuration, performance tuning, and high-availability solutions, including Oracle RAC and OEM 13c. Experienced with Oracle Exadata systems and cross-platform migrations from AIX/Solaris to Exadata X10/X11. Strong focus on secure, reliable, and high-performing database architectures.