Senior SQL DBA: High Availability, Automation & Cloud

Zensar Technologies; Pretoria; On-site; ZAR 900,000 - 1,300,000; Full time

Benefits offered by this job

Flexible work arrangements

Medical, dental, vision

401(k)

Job summary

Zensar Technologies in Pretoria/Durban is seeking a seasoned Database Administrator (Level 3) for a 12‑month contract. You will own large SQL Server estates, drive automation, ensure high availability, and lead modernisation efforts across on‑prem and cloud environments.

Collaboration with cross‑functional teams is essential to maintain performance and security. You will design, implement, and optimise complex replication architectures, monitor systems, and mentor junior DBAs while contributing

Qualifications

• 6+ years of progressive database administration experience in enterprise environments.
• Strong expertise with SQL Server or comparable relational DBMS.
• Experience with HA, DR, and replication technologies.
• Advanced performance tuning and query optimisation skills.
• Automation experience using scripting languages (PowerShell, Bash, Python).
• Familiarity with modern DB tech such as ClickHouse/FoundationDB/LGTM stack.
• Cloud exposure and governance/compliance awareness.

Responsibilities

• Design, implement, and maintain high‑availability and disaster‑recovery solutions.
• Develop and manage complex data‑movement and replication architectures.
• Monitor DB environments and proactively address performance and reliability issues.
• Perform advanced performance tuning using execution plans and profiling tools.
• Investigate incidents, perform root‑cause analysis, and implement remediation.
• Drive database automation initiatives using scripting and self‑service tooling.
• Support infrastructure modernisation projects including cloud adoption.
• Ensure database security, compliance, and governance controls.
• Create documentation, runbooks, and operational standards.
• Mentor junior DBAs and provide after‑hours support when needed.

Skills

SQL Server expertise

High availability

Performance tuning

Incident response

Automation scripting

PowerShell

Python

Communication skills

Tools

ClickHouse

FoundationDB

LGTM stack (Loki, Grafana, Tempo, Mimir)

Replication technologies

Job description

Zensar Technologies in Pretoria/Durban is seeking a seasoned Database Administrator (Level 3) for a 12‑month contract. You will own large SQL Server estates, drive automation, ensure high availability, and lead modernisation efforts across on‑prem and cloud environments.

Collaboration with cross‑functional teams is essential to maintain performance and security. You will design, implement, and optimise complex replication architectures, monitor systems, and mentor junior DBAs while contributing