Nontombi Nqiwa

Created and optimized complex SQL queries for data extraction, transformation, and analysis across multiple databases.
Developed data visualizations, dashboards, and reports using Oracle BI, providing actionable insights for business stakeholders.
Supporting, monitoring and troubleshooting data warehousing operations, including ETL processes, data migration, and complex analytical reporting use.
Developed custom VB Reports to automate business reporting, significantly reducing manual reporting efforts.
Designed and built interactive dashboards and reports in Power BI to track key performance indicators (KPIs) and present data trends to non-technical stakeholders.
Involved in ETL development using IBM Data Stage, automating data pipeline processes and improving data loading efficiency.
Managed scheduled jobs using TWS on mainframe systems, ensuring smooth data workflows and timely execution of batch processes.
Managed and administered Linux servers using Putty for remote connections, enabling secure data transfers and script execution.
Leveraged Oracle Data Integrator for data integration tasks, including ETL operations, improving data accuracy and consistency across systems.
Monitored and troubleshoot batch job execution and monitoring using Control-M, reducing manual intervention and increasing job success rates.
Collaborated with cross-functional teams in Agile environments to deliver data solutions, adhering to sprint timelines and continuous integration practices.
Applied advanced Excel functions for data analysis, including pivot tables and scenario modeling.
Data coordinating and analysis on information retrieved / received.
Create and maintain reports that are required.
Gathering and compiling data from internal and external sources, ensuring its accuracy and completeness.
Communication complex data findings to both technical and non-technical stakeholders.
Excellent verbal and written communication skills to effectively convey

• Created and optimized complex SQL queries for data extraction, transformation, and analysis across multiple databases.
• Developed data visualizations, dashboards, and reports using Oracle BI, providing actionable insights for business stakeholders.
• Supporting, monitoring and troubleshooting data warehousing operations, including ETL processes, data migration, and complex analytical reporting use.
• Developed custom VB Reports to automate business reporting, significantly reducing manual reporting efforts.
• Designed and built interactive dashboards and reports in Power BI to track key performance indicators (KPIs) and present data trends to non-technical stakeholders.
• Involved in ETL development using IBM Data Stage, automating data pipeline processes and improving data loading efficiency.
• Managed scheduled jobs using TWS on mainframe systems, ensuring smooth data workflows and timely execution of batch processes.
• Managed and administered Linux servers using Putty for remote connections, enabling secure data transfers and script execution
• Leveraged Oracle Data Integrator for data integration tasks, including ETL operations, improving data accuracy and consistency across systems.
• Monitored and troubleshoot batch job execution and monitoring using Control-M, reducing manual intervention and increasing job success rates
• Collaborated with cross-functional teams in Agile environments to deliver data solutions, adhering to sprint timelines and continuous integration practices.
• Applied advanced Excel functions for data analysis, including pivot tables and scenario modeling. Data coordinating and analysis on information retrieved / received. Create and maintain reports that are required.
• Gathering and compiling data from internal and external sources, ensuring its accuracy and completeness.

Created and optimized complex SQL queries for data extraction, transformation, and analysis across multiple databases.
Developed data visualizations, dashboards, and reports using Oracle BI, providing actionable insights for business stakeholders.
Supporting, monitoring and troubleshooting data warehousing operations, including ETL processes, data migration, and complex analytical reporting use.
Developed custom VB Reports to automate business reporting, significantly reducing manual reporting efforts.
Designed and built interactive dashboards and reports in Power BI to track key performance indicators (KPIs) and present data trends to non-technical stakeholders.
Involved in ETL development using IBM Data Stage, automating data pipeline processes and improving data loading efficiency.
Managed scheduled jobs using TWS on mainframe systems, ensuring smooth data workflows and timely execution of batch processes.
Managed and administered Linux servers using Putty for remote connections, enabling secure data transfers and script execution.
Leveraged Oracle Data Integrator for data integration tasks, including ETL operations, improving data accuracy and consistency across systems.
Monitored and troubleshoot batch job execution and monitoring using Control-M, reducing manual intervention and increasing job success rates.
Collaborated with cross-functional teams in Agile environments to deliver data solutions, adhering to sprint timelines and continuous integration practices.
Applied advanced Excel functions for data analysis, including pivot tables and scenario modeling.
Data coordinating and analysis on information retrieved / received.
Create and maintain reports that are required.
Gathering and compiling data from internal and external sources, ensuring its accuracy and completeness.
Communication complex data findings to both technical and non-technical stakeholders.
Excellent verbal and written communication skills to effectively convey

Created and optimized complex SQL queries for data extraction, transformation, and analysis across multiple databases.
Developed data visualizations, dashboards, and reports using Oracle BI, providing actionable insights for business stakeholders.
Supporting, monitoring and troubleshooting data warehousing operations, including ETL processes, data migration, and complex analytical reporting use.
Developed custom VB Reports to automate business reporting, significantly reducing manual reporting efforts.
Designed and built interactive dashboards and reports in Power BI to track key performance indicators (KPIs) and present data trends to non-technical stakeholders.
Involved in ETL development using IBM Data Stage, automating data pipeline processes and improving data loading efficiency.
Managed scheduled jobs using TWS on mainframe systems, ensuring smooth data workflows and timely execution of batch processes.
Managed and administered Linux servers using Putty for remote connections, enabling secure data transfers and script execution.
Leveraged Oracle Data Integrator for data integration tasks, including ETL operations, improving data accuracy and consistency across systems.
Monitored and troubleshoot batch job execution and monitoring using Control-M, reducing manual intervention and increasing job success rates.
Collaborated with cross-functional teams in Agile environments to deliver data solutions, adhering to sprint timelines and continuous integration practices.
Applied advanced Excel functions for data analysis, including pivot tables and scenario modeling.
Data coordinating and analysis on information retrieved / received.
Create and maintain reports that are required.
Gathering and compiling data from internal and external sources, ensuring its accuracy and completeness.
Communication complex data findings to both technical and non-technical stakeholders.
Excellent verbal and written communication skills to effectively convey