Senior Oracle Database Administrator📣 إعلان

About the Role

DXC Technology is seeking a Senior Oracle Database Administrator to join our team in Riyadh, Saudi Arabia. This full-time role focuses on managing, optimizing, securing, and maintaining mission-critical enterprise database environments. The successful candidate will possess extensive experience across multiple database technologies, with a strong emphasis on performance tuning, high availability, disaster recovery, and database security.

This position is crucial for ensuring database reliability, scalability, and operational excellence while supporting critical business applications and services.

Key Responsibilities

• Manage and maintain enterprise database environments, ensuring high performance, availability, and security.
• Monitor database health, capacity, and performance, proactively identifying and resolving issues.
• Implement backup, recovery, and disaster recovery solutions to ensure business continuity.
• Perform database upgrades, patching, migrations, and configuration changes.
• Develop automation scripts and tools to improve operational efficiency and reduce manual effort.
• Analyze and resolve database bottlenecks and performance issues.
• Optimize SQL queries, indexing strategies, database configurations, and resource utilization.
• Conduct capacity planning and performance tuning across large-scale database environments.
• Implement database security best practices, including access controls, encryption, auditing, and compliance requirements.
• Manage user access, privileges, and role-based access controls (RBAC).
• Identify database risks and propose mitigation strategies to protect critical business data.
• Design, implement, and maintain highly available database architectures.
• Manage replication, clustering, failover, and disaster recovery solutions.
• Conduct backup validation and disaster recovery testing activities.
• Support database deployments, upgrades, and infrastructure changes.
• Develop and validate database change scripts and rollback procedures.
• Ensure all changes comply with organizational change management and governance standards.

Required Technical Expertise

Candidates must demonstrate extensive technical expertise in the following areas:

• Oracle Database: Oracle Database Administration, RMAN Backup & Recovery, Data Guard, RAC, Performance Tuning & SQL Optimization, Security, Auditing & Access Management, Partitioning & Advanced Database Features.
• Oracle Exadata: Exadata Architecture & Operations, Storage Cell Management, Performance Optimization, In-Memory Technologies, Exadata Monitoring & Troubleshooting.
• Microsoft SQL Server: Always On Availability Groups, Failover Clustering, Performance Tuning, Backup & Recovery, Replication, Security & Encryption.
• MySQL: Performance Optimization, Replication (Master-Slave / Multi-Master), Backup & Recovery, Partitioning & Stored Procedures, Database Security.

Additional Skills and Experience

• Experience with Sybase Database Administration.
• Scripting and automation using Shell, PowerShell, Python, or Ansible.
• Experience in enterprise-scale environments supporting critical business applications.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• Relevant certifications such as Oracle Certified Professional (OCP), Oracle Exadata Certification, Microsoft Certified: SQL Server, or MySQL Database Administrator Certification.

Experience Required

This full-time position requires 5-10 years of experience in database administration within an enterprise environment.