This is a full-time position for a Senior Database Administrator specializing in PostgreSQL at iOCO, a technology consultancy based in Johannesburg, Gauteng. The role focuses on managing and optimizing PostgreSQL databases across on-premise, hybrid, and cloud environments to ensure high performance, security, and reliability. Responsibilities include administering, maintaining, and optimizing PostgreSQL database environments, monitoring performance, troubleshooting issues, and implementing improvements. You will design backup, recovery, and disaster recovery solutions, perform database performance tuning, and support database migrations and upgrades. Collaboration with developers, infrastructure teams, and stakeholders is key, along with creating technical documentation and assisting with cloud database initiatives, particularly on Microsoft Azure.