Senior Database Administrator (DBA)

About the Role

We are seeking a highly skilled Senior DBA to join our dynamic data team. You will be responsible for managing, securing, and optimizing enterprise database systems to ensure high performance, reliability, and availability. This role is ideal for professionals who thrive in complex data environments, value efficient and secure database practices, and enjoy collaborating with cross-functional teams to deliver high-quality data solutions.

Key Responsibilities

1. Database Administration & Maintenance

• Plan, install, configure, and maintain enterprise database systems including SQL Server, Oracle, PostgreSQL, and MySQL.
• Perform regular database health checks, maintenance, patching, and upgrades.
• Monitor database performance, capacity, storage growth, and availability.
• Tune SQL queries, indexes, execution plans, and statistics to ensure optimal performance.

1. Performance Monitoring & Optimisation

• Identify slow-running queries and collaborate with development teams to optimise SQL code.
• Proactively monitor systems using database monitoring tools to prevent performance degradation.
• Maintain high availability through replication, clustering, and optimisation strategies.

1. Security, Backup & Disaster Recovery

• Implement and enforce database security best practices, including access control, encryption, auditing, and role management.
• Design, manage, and test backup, recovery, and disaster recovery (DR) strategies.
• Ensure compliance with RTO/RPO objectives and data protection regulations (e.g. POPIA, GDPR).

1. Development & Application Support

• Support application teams with database design, schema changes, queries, and performance improvements.
• Develop and maintain scripts, stored procedures, triggers, and automation tools where required.
• Provide support for Java-based applications, APIs, and application runtime environments where databases integrate with application layers.

1. Incident, Problem & SLA Management

• Troubleshoot and resolve database-related incidents and service requests.
• Participate in after-hours support and on-call rotations for critical systems.
• Document incidents, root cause analyses, solutions, and lessons learned.
• Manage IT operations SLAs and ensure service reliability.

1. Collaboration, Mentoring & Continuous Improvement

• Collaborate with development, data engineering, analytics, and infrastructure tea
  
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