Khamis AlMamari

• Installed, configured, and maintained Oracle databases on Linux servers.
• Performed routine health checks, tuning, and monitoring to ensure 24/7 database availability and optimal performance.
• Created and managed Oracle users, roles, profiles, and privileges in compliance with security policies.
• Implemented and managed database backup and recovery strategies using RMAN.
• Configured Oracle listeners, TNS entries, and network files, ensuring seamless connectivity across client systems.
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Applied security patches and performed database hardening to meet organizational compliance standards.
• Planned and executed database migrations and upgrades with minimal downtime.
• Developed Shell scripts to automate database maintenance tasks, including backups, monitoring, and log cleanup.
• Scheduled routine tasks using crontab, improving efficiency and reducing manual errors.
• Implemented and maintained Oracle Data Guard for real-time replication and failover.
• Managed and administered Linux/UNIX systems to support Oracle database operations.

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Administered and maintained Oracle EBS environments, ensuring high availability and optimal performance.
• Managed routine tasks, including patching, cloning, and upgrades for Oracle EBS applications and databases.
• Conducted regular health checks and database performance tuning, enhancing query efficiency and system performance.
• Configured, tuned, and maintained Oracle databases in both RAC and non-RAC environments.
• Managed Oracle WebLogic Server 11g/12c for EBS environments, handling installation, configuration, and troubleshooting.
• Performed Oracle EBS database cloning and migration across test, development, and production environments.
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Worked closely with functional teams to troubleshoot and resolve database issues in various EBS modules.