Source Developer
Job in
Midrand, Gauteng, South Africa
Listed on 2026-09-02
Listing for:
Quest Staffing Solutions
Full Time
position Listed on 2026-09-02
Job specializations:
-
IT/Tech
Database Administrator, Cloud Computing: Infrastructure & Operations, Disaster Recovery IT
Job Description & How to Apply Below
The role is responsible for the installation, configuration, maintenance, management, optimization and security of open-source database environments. The role will support critical databases and work with business, development, Dev Ops, infrastructure and security teams to ensure availability, performance and security.
Key Responsibilities
- Support PostgreSQL and other open-source databases such as MySQL, MariaDB, MongoDB and Redis.
- Support cloud database solutions such as AWS RDS, Google Cloud SQL and Azure Database.
- Manage and troubleshoot Oracle Golden Gate replication.
- Provide support for critical systems, including on-call support.
- Design and maintain high-availability, replication and disaster recovery solutions.
- Install, configure, patch, upgrade and migrate databases.
- Monitor and optimize database performance.
- Perform capacity planning and resource management.
- Develop and manage backup and recovery strategies.
- Ensure active-active and disaster recovery environments remain synchronized.
- Automate database administration using scripts, configuration management, IaC and CI/CD tools.
- Work with business and IT teams on projects and new requirements.
- Manage database users, permissions and security.
- Document database configurations, processes and best practices.
- Provide management updates on support, projects, risks and challenges.
- Comply with information security policies and protect information assets.
Required Skills and Experience
- Degree in STEM or equivalent experience.
- At least 5 years’ experience managing PostgreSQL or open-source databases in production.
- Strong knowledge of PostgreSQL architecture, internals and tools.
- Experience with replication, high availability and disaster recovery.
- Strong SQL query writing and tuning skills.
- Experience with SAFe Agile.
- Experience working in hybrid cloud environments such as Microsoft Azure.
- Good Linux administration knowledge, including RHEL, CentOS or Ubuntu.
- Experience with monitoring tools such as Prometheus, Grafana or Zabbix.
- Experience with automation tools such as Ansible or Terraform.
- Good problem-solving and analytical skills.
- Good written and verbal communication skills.
- Ability to work under pressure and as part of a team.
- PostgreSQL, AWS, Azure, GCP or Linux certifications.
- Experience with JIRA and Confluence.
- Experience working with Dev Ops and Dev Sec Ops teams.
- Experience in multinational teams.
- Knowledge of AWS RDS, GCP and Azure database services.
- Oracle RAC, Grid, ASM and Data Guard experience.
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