Open-Source Database Administrator

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

Johannesburg, South Africa | Posted on 07/27/2026

Reverside is an established itservices provider focusing on delivering high-quality software development, itresourcing, digital transformation, and systems support solutions. We arealways looking for skilled professionals to join our growing team and contributeto innovative technology projects across various industries.

We are seeking an experienced Open-SourceDatabase Administrator (DBA). The successful candidate will be responsible for the installation, configuration, maintenance, management, optimization and securing of the open-source database environments that power critical business applications.

The role will focus primarily on PostgreSQL whilesupporting other open-source and cloud database technologies, ensuring highavailability, performance, security, and reliable database operations. You will have the opportunity to collaborate closely with business owners, developers, DevOps, infrastructure and SecOps teams to ensure high availability, performance, and security of the organization's data assets.

Key Responsibilities:

• Administer and support PostgreSQL and otheropen-source databases.
  
• Install, configure, patch, upgrade, and migratedatabase environments.
  
• Design and maintain high-availability,replication, backup, and disaster recovery solutions.
  
• Manage Oracle GoldenGate replication andtroubleshoot replication issues. Monitor database performance, capacity, andavailability.
  
• Automate database administration usingscripting, IaC, and CI/CD tools. Support24/7 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 operationalstandards.
  

Mandatory Skills:

• 5+ years' PostgreSQL / Open-Source DatabaseAdministration
  
• SQL Query Writing & Performance Tuning
  
• Database Replication & High Availability
  
• Backup & Disaster Recovery
  
• Oracle GoldenGate (OGG)
  
• Prometheus / Grafana / Zabbix
  
• Ansible / Terraform
  
• Database Security & Access Management
  

Advantageous Skills:

• MySQL / MariaDB / MongoDB / Redis
  
• Oracle RAC, Grid, ASM & Data Guard
  
• Exadata & ZFS
  
• DevOps / DevSecOps
  
• ITIL
  
• SAFe Agile Qualifications
  
• Degree in STEM or equivalent experience
  
• AWS, Azure, GCP, or Linux certifications(Advantageous) Core Competencies
  
• Strong analytical and problem-solving skills
  
• Excellent troubleshooting abilities
  
• Self-starter with strong ownership
  
• Ability to work under pressure
  
• Strong communication and teamwork
  
• Adaptable and collaborative mindset
  
• Ability to work effectively in complex technicalenvironments