Senior DB Performance Engineer - Oracle & SQL Server

ATS Client; Johannesburg; On-site; ZAR 700,000 - 1,100,000; Full time

Job summary

ATS Client seeks an experienced DBA to manage Oracle and SQL Server environments in a mature enterprise IT function. You will optimise performance, implement backup/recovery, and ensure data integrity across cloud and on‑prem infra. Collaboration with development teams will drive query optimisation and automation.

Ideal candidates have 5–7 years in enterprise database administration, strong tuning skills, and experience with Data Guard/GoldenGate replication and Linux environments.

Qualifications

• 5-7 years of experience in database administration within enterprise environments.
• Strong hands-on experience with Oracle (12c/19c) and Microsoft SQL Server.
• Experience with replication, clustering, and HA solutions (Data Guard, GoldenGate).
• Exposure to Linux/Unix environments and enterprise storage (SAN).
• Exposure to cloud database environments (AWS / Azure).

Responsibilities

• Administer and maintain Oracle and Microsoft SQL Server database environments.
• Monitor and optimise database performance, identifying and resolving bottlenecks.
• Implement backup, recovery, and security processes to ensure data integrity.
• Collaborate with development teams to optimise queries and database interactions.
• Design and implement high‑availability and replication solutions (Data Guard, GoldenGate).

Skills

Database administration

Performance tuning

High availability

Data security

Cloud databases

Tools

Oracle

Microsoft SQL Server

Job description

ATS Client seeks an experienced DBA to manage Oracle and SQL Server environments in a mature enterprise IT function. You will optimise performance, implement backup/recovery, and ensure data integrity across cloud and on‑prem infra. Collaboration with development teams will drive query optimisation and automation.

Ideal candidates have 5–7 years in enterprise database administration, strong tuning skills, and experience with Data Guard/GoldenGate replication and Linux environments.