Hrvisory Pty

Hrvisory Pty • Full-time • Pretoria • 1d ago

Introduction

Are you a highly experienced Database Administrator with a strong background in SQL Server, high availability, disaster recovery, replication, and database performance optimisation?

We’re looking for a Senior Database Administrator to play a critical role in maintaining, optimising, and modernising enterprise-scale database platforms.

Duties & Responsibilities

Design, implement and maintain High Availability (HA) & Disaster Recovery (DR) solutions, including clustering, Availability Groups and replication.
Develop and manage complex data movement and replication architectures across large database estates.
Monitor database environments and proactively address performance, stability and reliability issues.
Perform advanced database performance tuning and query optimisation using execution plans, wait statistics and profiling tools.
Investigate critical incidents, conduct Root Cause Analysis (RCA) and implement effective remediation.
Drive database automation using PowerShell, Bash, Python and self-service tooling.
Support cloud adoption, infrastructure modernisation and optimisation initiatives.
Ensure database security, compliance and governance, including encryption, auditing and access management.
Maintain technical documentation, runbooks and operational standards.
Provide technical mentorship and guidance to junior DBAs.
Participate in critical incident response and after-hours support when required

Desired Experience & Qualification

6+ years' progressive experience in Database Administration within enterprise environments.
Relevant degree in Information Technology, Computer Science or related discipline.
Strong expertise in Microsoft SQL Server or similar RDBMS platforms.
Proven experience with HA, DR and database replication technologies.
Advanced database performance tuning and query optimisation skills.
Experience with PowerShell, Bash and/or Python automation and scripting.
Exposure to modern technologies such as ClickHouse, FoundationDB, LGTM Stack (Loki, Grafana, Tempo, Mimir), Rybbit or Valkey.
Exposure to cloud platforms and modern infrastructure environments.
Strong understanding of security, compliance and data governance.
Excellent problem-solving and critical incident management skills.
Strong communication skills across technical and business stakeholders.
A collaborative mindset with a passion for knowledge sharing and continuous improvement