Senior PostgreSQL & Open-Source DB Admin — HA & Security

Reverside; Johannesburg; On-site; ZAR 600,000 - 1,000,000; Full time

Job summary

Reverside, based in Johannesburg, seeks an experienced Open-Source Database Administrator (DBA) to own PostgreSQL-based environments. The role focuses on installation, configuration, and proactive management to ensure high availability, performance, and security across critical business applications.

You will collaborate with DevOps, infrastructure, and SecOps teams, implement automated processes with IaC and CI/CD, and contribute to disaster recovery planning while maintaining comprehensive

Qualifications

• 5+ years' PostgreSQL / Open-Source Database Administration.
• SQL Query Writing & performance tuning.
• Replication & High Availability.
• Backup & Disaster Recovery.
• Oracle GoldenGate (OGG).
• Prometheus / Grafana / Zabbix for monitoring.
• Ansible / Terraform for automation.
• Database Security & Access Management.

Responsibilities

• Administer and support PostgreSQL and other open-source databases.
• Install, configure, patch, upgrade, and migrate database environments.
• Design and maintain high-availability, replication, backup, and disaster recovery solutions.
• Manage Oracle GoldenGate replication and troubleshoot replication issues.
• Automate database administration using scripting, IaC, and CI/CD tools.
• Support 24/7 production environments and participate in on-call rotations.
• Implement database security, access controls, and encryption.
• Collaborate with DevOps, Infrastructure, SecOps, developers, and business teams.
• Maintain database documentation and operational standards.

Skills

PostgreSQL

Open-Source DB Admin

SQL Performance Tuning

Replication & HA

Backup & DR

Oracle GoldenGate

Monitoring: Prometheus Grafana Zabbix

IaC: Ansible Terraform

Security & Access Management

Education

Degree in STEM or equivalent experience

Tools

Ansible

Terraform

Prometheus

Grafana

Zabbix

Job description

Reverside, based in Johannesburg, seeks an experienced Open-Source Database Administrator (DBA) to own PostgreSQL-based environments. The role focuses on installation, configuration, and proactive management to ensure high availability, performance, and security across critical business applications.

You will collaborate with DevOps, infrastructure, and SecOps teams, implement automated processes with IaC and CI/CD, and contribute to disaster recovery planning while maintaining comprehensive