Vistas Global
Oracle Application Database Administrator
Vistas GlobalQatar2 days ago
Full-timeInformation Technology

Job Summary

We are seeking an experienced Technical Consultant – Oracle Applications DBA to manage and support mission-critical Oracle databases and Oracle E-Business Suite (EBS) environments.

The role involves database administration, RAC configuration, performance tuning, patch management, backup and recovery, and ensuring high availability of enterprise systems.

The ideal candidate will have strong experience with Oracle Database 12c/19c, RAC environments, Oracle EBS R12.2 architecture, and enterprise database administration across Linux, AIX, and Windows platforms.

Key Responsibilities

Oracle Database Administration

  • Install, configure, and administer Oracle databases (11g, 12c, and 19c).
  • Manage Oracle RAC environments, including node configuration, monitoring, and troubleshooting.
  • Perform database upgrades and migrations, including upgrades from Oracle 12c to 19c.
  • Monitor database performance and perform SQL tuning, memory management, and performance optimization.

Oracle E-Business Suite Administration

  • Support and maintain Oracle E-Business Suite R12.2 architecture.
  • Manage WebLogic servers and concurrent manager configurations.
  • Perform cloning activities using Rapid Clone from production to non-production environments.
  • Apply patches using ADOP, ADADMIN, ADPATCH, ADDCTRL, and ADAUTOCFG utilities.

Backup, Recovery & Disaster Recovery

  • Configure and manage backup and recovery strategies using RMAN and Data Pump utilities.
  • Implement and maintain Oracle Data Guard for disaster recovery.
  • Perform database cloning between RAC and non-RAC environments.

Infrastructure & High Availability

  • Install and configure Oracle Grid Infrastructure.
  • Apply RU and PSU patches for databases and grid infrastructure.
  • Manage RAC services using SRVCTL and CRSCTL utilities.
  • Support GoldenGate replication and disaster recovery environments.

Monitoring & Troubleshooting

  • Provide 24/7 support for mission-critical databases.
  • Troubleshoot database, RAC, and ERP-related issues.
  • Monitor database health using tools such as Oracle Enterprise Manager (OEM).

Security & Compliance

  • Manage database users, roles, profiles, and tablespaces.
  • Ensure compliance with cybersecurity policies, vulnerability management, and patch management procedures.

Collaboration & Documentation

  • Work closely with developers, system administrators, and business users.
  • Maintain documentation for database architecture, configurations, and operational procedures.

Required Qualifications

  • Bachelor’s or Master’s degree in Computer Science, Information Technology, or related field.
  • 5 – 8 years of experience in Oracle database administration and Oracle E-Business Suite support.
  • Strong experience in Oracle RAC environments and high-availability architectures.

Technical Skills

Oracle Database

  • Oracle Database Administration (11g, 12c, 19c)
  • Oracle RAC Installation & Management
  • Oracle Data Guard
  • Database Performance Tuning

Oracle Applications

  • Oracle E-Business Suite (EBS) R12.2 Administration
  • Rapid Clone
  • ADOP Utilities

Database Tools

  • RMAN Backup & Recovery
  • Data Pump (Expdp / Impdp)
  • Oracle Enterprise Manager (OEM)

Infrastructure & Platforms

  • Operating Systems: AIX, Linux, Windows Server
  • Oracle Utilities: DBCA, NETCA, SRVCTL, CRSCTL
  • Backup Solutions: NetBackup, Avamar

Key Skills

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