Senior Database Administrator — Reliability, Performance & Security

Lesaka Technologies Inc.; Johannesburg; On-site; ZAR 580,000 - 760,000; Full time

Job summary

Lesaka Technologies Inc. is seeking a DATABASE ADMINISTRATOR (DBA) to join the Merchants Operations Division.

You will manage and optimise database environments to ensure data availability, integrity, performance and security across enterprise systems. Key tasks include monitoring, tuning queries, ensuring backups and disaster recovery readiness, managing access controls, and collaborating with DevOps and application teams to support releases.

Qualifications

• Diploma or Degree in Information Systems, IT or related field.
• 4–7 years database administration experience.

Responsibilities

• Monitor database performance and availability.
• Tune queries and indexing for performance.
• Ensure data integrity and security, manage access and permissions.
• Implement and test backup, recovery and DR procedures.
• Collaborate with DevOps and application teams to support releases.
• Document database structures and changes.

Skills

Database Management

Performance Tuning

Backup & Recovery

Security

Data Architecture

Education

IS/IT Degree

Tools

MS SQL

Oracle

PostgreSQL

Cloud DB Certifications

Job description

Lesaka Technologies Inc. is seeking a DATABASE ADMINISTRATOR (DBA) to join the Merchants Operations Division.

You will manage and optimise database environments to ensure data availability, integrity, performance and security across enterprise systems. Key tasks include monitoring, tuning queries, ensuring backups and disaster recovery readiness, managing access controls, and collaborating with DevOps and application teams to support releases.