Permanent
Premium Ad IT/Computer - Other IT/Computer Johannesburg FULL TIME Job Summary A leading organisation is looking for a highly experienced Senior SQL Server DBA to take ownership of mission-critical SQL Server platforms across production, UAT, development and disaster recovery environments. This is a hands-on role focused on database performance, high availability, disaster recovery, security, encryption, backup and recovery, automation and advanced troubleshooting. The successful candidate will work closely with developers and infrastructure teams to ensure critical database environments remain stable, secure, performant and recoverable. Key Responsibilities * Administer, configure, maintain, patch and upgrade SQL Server environments. * Monitor SQL Server health, performance, capacity, availability, jobs, backups and database growth. * Troubleshoot production incidents including blocking, deadlocks, failed jobs, performance degradation and database issues. * Design, maintain and troubleshoot High Availability and Disaster Recovery solutions. * Manage Always On Availability Groups, Failover Clustering, Replication and Log Shipping. * Develop and maintain robust backup, restore and point-in-time recovery strategies. * Perform regular restore and disaster recovery testing. * Conduct advanced SQL Server performance tuning and query optimisation. * Assist developers with query tuning, indexing, execution plans, stored procedures and schema refinement. * Manage partitioning strategies for large and high-growth databases. * Implement and maintain SQL Server security, permissions, encryption, TDE, certificates and key management. * Develop T-SQL and PowerShell scripts to automate database administration and monitoring processes. * Perform capacity planning and monitor database, storage and infrastructure growth. * Support Azure SQL and hybrid database environments where required. * Maintain technical documentation, operational procedures and database standards. * Provide technical guidance and mentorship to junior team members. Requirements…
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