Senior SQL DBA

1 week ago


Centurion, Gauteng, South Africa Data Centrix Full time
Required Qualifications:
  • Matric plus Diploma/Degree in Information Technology or Computer Science
  • Microsoft SQL certification
Responsibilities:
  • High Availability and Clustering:
    • Design, configure, and implement high-availability database clustering solutions using technologies such as SQL Server AlwaysOn, Windows Server Failover Clustering, or other relevant clustering solutions.
    • Monitor and manage clustered databases to ensure continuous availability, failover readiness, and data integrity.
    • Troubleshoot and resolve clustering-related issues, including failovers, connectivity problems, and synchronization errors.
  • Disaster Recovery and Log Shipping:
    • Design and maintain robust disaster recovery strategies using log shipping techniques to ensure data protection and rapid recovery in case of failures.
    • Configure and manage log shipping processes, monitor synchronization, and troubleshoot any replication discrepancies.
    • Regularly test and validate log shipping procedures to ensure readiness for disaster recovery scenarios.
  • Database Mirroring:
    • Implement and manage database mirroring solutions to provide real-time data replication and failover capabilities.
    • Monitor and troubleshoot database mirroring synchronization, connectivity, and failover scenarios.
  • Performance Optimization:
    • Identify and address performance bottlenecks within high-availability environments, optimizing database performance and responsiveness.
    • Implement best practices for indexing, query optimization, and resource utilization to enhance cluster and replica efficiency.
  • Security and Compliance:
    • Collaborate with the security team to implement and maintain database security measures, access controls, and compliance standards within clustered and mirrored environments.
  • Monitoring and Alerting:
    • Configure and manage monitoring tools to proactively track the health, performance, and synchronization status of clustered databases and replicas.
    • Establish and manage alerting mechanisms to quickly respond to potential issues and incidents.
  • Capacity Planning and Scaling:
    • Assess database growth patterns and usage trends to forecast capacity requirements and recommend scaling strategies for clustered and mirrored databases.
  • Documentation and Knowledge Sharing:
    • Maintain comprehensive documentation of clustering, log shipping, and mirroring configurations, processes, and troubleshooting procedures.
    • Provide knowledge sharing and training to team members and stakeholders on best practices for high availability and disaster recovery.
  • Collaboration and Communication:
    • Work closely with cross-functional teams, including developers, system administrators, and network engineers, to ensure the seamless operation of clustered and mirrored databases.

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