Design, implement, and support mission-critical Oracle database environments within a highly regulated, enterprise setting. Responsibilities: database architecture, performance optimization, backup/DR management, security/compliance, production support. Required: 8+ years Oracle DBA, Oracle 12c/19c on Linux/UNIX, RAC and Data Guard, RMAN, AWR/ASH/OEM/TKPROF, SQL and PL/SQL optimization, 24/7 HA systems. Preferred: financial services, Oracle Exadata/OCI, Shell/Python/Ansible, CI/CD, OCP certification.