Pretoria: BI Tester

Minimum Qualifications and Certifications Degree or diploma in computer science information systems statistics or mathematics Minimum of five years experience in a BI Tester role Business Intelligence or Data Testing related certifications Microsoft Certified Azure Data Engineer Associate Data Analyst Associate Power BI SQL Server Database Development or Administration ETL Development or Data Integration certification Certified Agile Tester Data Quality and Validation certification Technical Experience Requirements Minimum of 3 years experience in T-SQL for data validation query development and test scripting Minimum of 3 years experience testing SSIS and ETL processes Minimum of 4 years experience testing and verifying Power BI dashboards and reports Minimum of 2 years experience testing data marts including schema validation and data accuracy Documentation Requirements CV must clearly demonstrate formal education qualifications Copies of qualifications listed on CV must be provided Scope of Work BI Testing and Quality Assurance Designed and executed test plans and test cases for ETL processes data integration workflows data marts and reporting platforms Performed data validation and reconciliation between source systems and target BI systems Conducted functional integration system regression and performance testing on BI solutions and data pipelines Identified data quality issues logged defects and tracked resolution Validated correctness of business logic in BI reports dashboards and analytics solutions Collaboration and Documentation Collaborated with BI developers report developers business analysts and stakeholders Participated in Agile and Scrum ceremonies including sprint planning reviews and retrospectives Maintained testing documentation including test cases results defect logs and sign off reports Assisted with user acceptance testing and end user validation Tools and Platforms Microsoft SQL Server using T-SQL SSIS for ETL workflow and transformation logic testing Power BI for visual data accuracy and report logic validation Data Marts for schema validation and consistency testing Reporting and Communication Provided regular testing status updates risk assessments and defect summaries Participated in progress meetings testing reviews and delivery readiness discussions