Senior Database Administrator (PostgreSQL / MySQL) – (Hybrid) (Somerset West)

Recruiter:

Datafin IT Recruitment

Job Ref:

1331304806

Date posted:

Friday, March 27, 2026

Location:

Somerset West, South Africa

SUMMARY:
-

POSITION INFO:

ENVIRONMENT:

A highly specialised engineering team is seeking a Senior Database Administrator to take full ownership of production database environments, with a strong focus on performance, reliability, and data integrity. Suited to candidates with deep hands-on experience managing and optimising large-scale database systems. The role is not platform or DevOps-focused and requires a specialist who understands databases at a core operational level.

DUTIES:

Administer, maintain, and optimise PostgreSQL, MySQL, and/or MariaDB databases in production environments.
Perform advanced query optimisation, indexing, and performance tuning.
Design and manage high availability, replication, and failover configurations.
Own and execute backup, restore, and disaster recovery strategies.
Monitor database health and performance, identifying and resolving bottlenecks.
Troubleshoot complex database issues affecting performance and stability.
Develop and maintain SQL scripts, stored procedures, and database-level logic.
Ensure data integrity, consistency, and security controls across all systems.
Work closely with development teams to optimise database interaction and query efficiency.

REQUIREMENTS:

Essential:

Minimum 5+ years’ experience as a Database Administrator / DBA in a production environment.
Strong hands-on experience with PostgreSQL and/or MySQL / MariaDB.
Advanced SQL expertise, including performance tuning and query optimisation.
Proven experience managing:
Replication
Failover
High availability environments
Solid experience with backup and disaster recovery processes.
Strong Linux / Unix experience supporting database systems.
Demonstrated ability to diagnose and resolve performance and stability issues.

Advantageous (Not Required):

Exposure to NoSQL databases such as Redis or Elasticsearch.
Experience working with large-scale or high-transaction environments.
Basic scripting in Python or Bash.

ATTRIBUTES:

Strong analytical mindset with attention to detail.
High level of ownership over database performance and uptime.
Practical, hands-on problem solver.
Comfortable working in a focused, specialist technical role.

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