Senior DB Administrator: SQL Server & PostgreSQL (On-site)

Avatar International SA; Durban; On-site; ZAR 949,000 - 1,138,000; Full time

Benefits offered by this job

Medical subsidy

Provident fund

Education subsidies

Group life and disability benefits

Annual bonuses

Amenities: canteen/gym/concierge

Job summary

Avatar International SA is seeking an experienced Senior Database Administrator/Intermediate DBA for on-site roles in Pretoria or Durban. You will manage enterprise-scale databases (SQL Server and PostgreSQL) with emphasis on performance, security, and reliability.

You will implement HA/DR, handle backups and migrations, optimise queries, and automate tasks using PowerShell, Python, or Bash. Strong debugging and collaboration with cross-functional teams are essential.

Qualifications

• 5–8+ years in database administration in enterprise environments.
• Strong hands-on with Microsoft SQL Server and/or PostgreSQL.
• Experience with HA/DR and replication strategies.
• Experience scripting/automation (PowerShell, Python, Bash).
• Exposure to cloud platforms and modern infrastructure.

Responsibilities

• Administer, maintain, and support enterprise-scale databases (SQL Server and/or PostgreSQL).
• Implement high availability and disaster recovery solutions (clustering, AGs, replication).
• Manage backups, restores, upgrades, patching, and maintenance.
• Monitor performance and optimise queries, indexes, configurations.
• Develop replication and data movement across environments.
• Automate routine tasks with scripting tools.
• Support cloud migrations including SQL Server to PostgreSQL.
• Ensure database security, access control, compliance, and governance.

Skills

SQL Server

PostgreSQL

Database Administration

High availability

Disaster recovery

Scripting: PowerShell/Python/Bash

Cloud familiarity

Education

Degree in IT/Computer Science

Tools

ClickHouse

FoundationDB

Valkey

LGTM Stack (Loki, Grafana, Tempo, Mimir)

Job description

Avatar International SA is seeking an experienced Senior Database Administrator/Intermediate DBA for on-site roles in Pretoria or Durban. You will manage enterprise-scale databases (SQL Server and PostgreSQL) with emphasis on performance, security, and reliability.

You will implement HA/DR, handle backups and migrations, optimise queries, and automate tasks using PowerShell, Python, or Bash. Strong debugging and collaboration with cross-functional teams are essential.