SQL Server DBA with Postgres SQL

Samaha Consulting; Pretoria; Presencial; ZAR 900.000 - 1.150.000; A tiempo parcial

Descripción de la vacante

Samaha Consulting seeks an experienced SQL Server DBA with Postgres SQL knowledge for a banking-domain contract in Pretoria and Durban. You will design, implement, and maintain high-availability and disaster recovery architectures, manage large data estates, and drive performance tuning.

The role emphasizes automation, incident response, security governance, and collaboration with engineers and business stakeholders; cloud adoption experience is valued.

Formación

• 8–10+ years of progressive database administration experience in enterprise environments.
• Strong expertise in SQL Server or similar relational DBMS with HA/DR and replication tech.
• Advanced performance tuning using execution plans and wait statistics.
• Automation and scripting experience (PowerShell, Bash, or Python).
• Exposure to cloud platforms and modern infrastructure environments.
• Solid understanding of security, compliance, and data governance practices.
• Excellent communication and ability to collaborate with stakeholders.
• Mentorship and guidance to junior DBAs.

Responsabilidades

• Design, implement, and maintain high-availability and disaster recovery solutions.
• Develop and manage data movement and replication across large database estates.
• Monitor DB environments and proactively address performance and reliability issues.
• Perform advanced performance tuning and query optimisation.
• Investigate incidents, perform root cause analysis and remediation.
• Drive automation initiatives to improve operational efficiency.
• Support infrastructure modernisation, including cloud adoption.
• Ensure database security, auditing and access management.
• Create runbooks, technical documentation, and operational standards.
• Provide mentorship and participate in after-hours support when required.

Conocimientos

SQL Server

High availability

Disaster recovery

Replication

Performance tuning

Automation scripting

PowerShell

Python

Cloud platforms

Security governance

Incident response

Documentation

Mentorship

Educación

Bachelors in Information Technology or Computer Science

Herramientas

ClickHouse

FoundationDB

LGTM stack (Loki Grafana Tempo Mimir)

Rybbit

Valkey

Descripción del empleo

Role: SQL Server DBA with Postgres SQL Knowledge

Location : Pretoria [1 Role] & Durban [1 Role] [Work from office Mandatory]

Job Type: Contract

Contract: 12 Months Renewal

Client: Banking Domain

Role Overview

• 8 to 10 + Years experience
• Design, implement, and maintain high availability and disaster recovery solutions (e.g. clustering, availability groups, replication frameworks)
• 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 performance tuning using execution plans, wait statistics, and profiling tools
• Investigate incidents, conduct root cause analysis, and implement effective remediation strategies
• Drive database automation initiatives using scripting and self-service tooling to improve operational efficiency
• Support infrastructure modernisation projects, including cloud adoption and optimisation initiatives
• Ensure database security, compliance, and governance through controls such as encryption, auditing, and access management
• Create and maintain technical documentation, runbooks, and operational standards
• Provide technical mentorship and guidance to junior database administrators
• Participate in critical incident response and provide after-hours support when required
• 6+ years of progressive experience in database administration within enterprise environments
• A relevant degree in Information Technology, Computer Science, or a related discipline
• Strong expertise in SQL Server or similar relational database management systems
• Proven experience with high availability, disaster recovery, and replication technologies
• Advanced skills in database performance tuning and query optimisation
• Experience with automation and scripting (e.g. PowerShell, Bash, or Python) Internal - Intellectual Property
• Experience with technologies such as ClickHouse, FoundationDB, LGTM stack (Loki,Grafana, Tempo, Mimir), Rybbit, or Valkey
• Exposure to cloud platforms and modern infrastructure environments
• Solid understanding of security, compliance, and data governance practices
• Strong problem-solving skills and the ability to manage critical incidents independently
• Excellent communication skills with the ability to work across technical and business stakeholders
• A collaborative team player who values knowledge sharing and continuous improvement
• Play a critical role in maintaining and optimising enterprise-scale database platforms
• Gain exposure to modern cloud technologies, automation frameworks, and large-scale data environments
• Work in a collaborative, high-performance engineering environment
• Contribute to infrastructure modernisation and continuous improvement initiatives
• Be part of a culture that values technical excellence, accountability, and innovation