Overview
SQL Database Administrator Jobs in Johannesburg Metropolitan Area at Zensar Technologies
Title: SQL Database Administrator
Company: Zensar Technologies
Location: Johannesburg Metropolitan Area
Position: SQL Server Database Administrator with postgre database knowledge / Experience
Employment Type: 12 month Contract position
Workplace Type: In office 5 days a week
Job Spec:
Zensar is seeking a SQL DBA with postgre database knowledge / Experience to join the team in Johannesburg. This is an onsite role, requiring 5 days a week in the office.
- 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