Open-Source Database Administrator
Summary
Maintain and optimize open-source databases (primarily PostgreSQL) for high availability, security, and performance, supporting critical business applications and collaborating with DevOps and SecOps teams.
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