reversidesoftwaresolutionspt

Open-Source Database Administrator

reversidesoftwaresolutionspt City of Johannesburg Metropolitan Municipality, Gauteng, South Africa

IT Services and IT Consulting · 201-500 employees

Jul 27
dba Senior (5-10 yrs) Contractor South Africa
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About the role

The successful candidate will manage, secure, and optimize open-source database environments, with a primary focus on PostgreSQL. They will also collaborate with cross-functional teams to ensure high availability and performance while supporting 24/7 production operations.

What they look for

PostgreSQL Database Administration SQL Query Writing Performance Tuning High Availability Disaster Recovery Oracle GoldenGate Linux Administration AWS Azure GCP Prometheus Grafana Ansible Terraform Database Security

Requirements

Candidates must have at least 5 years of experience in PostgreSQL administration and proficiency in database architecture, replication, and security. A degree in a STEM field is required, and relevant cloud or database certifications are considered advantageous.

Full description

Reverside is an established it services provider focusing on delivering high-quality software development, it resourcing, digital transformation, and systems support solutions. We are always looking for skilled professionals to join our growing team and contribute to innovative technology projects across various industries.

We are seeking an experienced Open-Source Database 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 while supporting other open-source and cloud database technologies, ensuring high availability, 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 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. Monitor database performance, capacity, and availability.

  • 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.

Mandatory Skills:

  • 5+ years' PostgreSQL / Open-Source Database

Administration

  • PostgreSQL Architecture & Administration
  • SQL Query Writing & Performance Tuning
  • Database Replication & High Availability
  • Backup & Disaster Recovery
  • Oracle GoldenGate (OGG)
  • Linux Administration
  • AWS / Azure / GCP Database Services
  • Prometheus / Grafana / Zabbix
  • Ansible / Terraform
  • Database Security & Access Management

Advantageous Skills:

  • MySQL / MariaDB / MongoDB / Redis
  • AWS RDS / GCP Cloud SQL / Azure Database
  • Oracle RAC, Grid, ASM & Data Guard
  • Exadata & ZFS
  • DevOps / DevSecOps
  • ITIL
  • Jira & Confluence
  • SAFe Agile Qualifications
  • Degree in STEM or equivalent experience
  • EDB PostgreSQL Certification (Advantageous)
  • 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 technical

environments

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