Siyabonga Ntseke
Summary
An Analytical and detail-oriented Business Intelligence Professional with a growing specialization in data analysis and data-driven decision-making. Experienced in risk data aggregated risk reporting (RDARR), business process improvement, and IT systems support. I am skilled in extracting insights using Excel, Power BI, SQL, and Python. I am dedicated to leveraging data to address business challenges and optimize operations while fostering strong communication and stakeholder engagement. In addition, I am registered for an Honours in Business informatics for current year and recently completed a Data Science certification to enhance my skills further.
Overview
5
5
Languages
5
5
Certifications
19
19
years of professional experience
Work History
Business Intelligence Developer
African Bank
05.2026 - Current
- Design, develop, and maintain BI dashboards and reports using Power BI Desktop and AWS Power BI Service, ensuring consistent and accurate data flow across various reporting applications. Write and troubleshoot complex DAX queries for calculated measures and columns
- Develop and optimize SQL queries, create views, stored procedures (SPs); able to read and modify existing SQL code for business requirements
- Connect Power BI to a wide range of data sources, including SQL databases, APIs, and cloud platforms, ensuring seamless integration and efficient data retrieval.
- Extract, load, and transform data from various databases and data warehousing systems using SQL to ensure data is accessible and reliable.
- Converting business requirements into technical specifications and documenting them accordingly.
- Establish suitable and impactful business relationships while engaging with key stakeholders.
- Stay current with industry trends and developments in BI technology and practices, adopting best practices wherever possible.
Business Analyst (RDARR) Data Governance
African Bank
08.2023 - Current
- Supporting implementation RDARR/BCBS 239 principles, ensuring risk data remains accurate, complete, and timely across systems. identify gaps in data aggregation processes and recommend enhancements while collaborating with IT and data teams to improve data architecture and lineage.
- Producing and validating risk reports for internal stakeholders and regulators. This includes ensuring consistency across all risk metrics
- Modeling current (As-Is) and future (To-Be) business processes to enhance operational efficiency.
- Maintaining accurate data dictionaries, metadata, and lineage documentation. Collaborating with data owners and Data Stewards to ensure accountability. Document data lineage for all risk metrics, including systems, tables, schemas, and source-to-target mapping, to guarantee transparency from source to report.
- Collaborating with different stakeholders to translate business requirements into actionable data and reporting solutions. Also provide insights to senior management regarding data risks and issues to ensure alignment and proactive management across our operations.
- Identify data gaps, conduct root cause analysis for discrepancies, and remediate reporting issues.
- Review of the RDARR Framework, along with its associated policies and standards
Junior IT Data (RDARR) Analyst
U Bank
06.2022 - 12.2022
- Monitored data quality, validated risk metrics, and maintained monthly attestations using Casewise.
- Performed data analysis to support RDARR compliance and regulatory requirements.
- I participated in risk data forums and helped document data ownership and accountability structures.
IT Desktop Support Engineer
U Bank
02.2014 - 03.2022
- Supported IT infrastructure including desktops, servers, remote access, and Active Directory.
- Resolved application and system issues; worked closely with business users and IT teams.
- Provided technical support aligned with business-critical applications and systems.
IT Service Desk Agent
U Bank
01.2012 - 01.2014
IT Field Support Technician
RNS Consulting (Vodacom)
01.2011 - 01.2012
Data Support Agent
Vodacom
01.2011 - 01.2011
Desktop Support Engineer
Standard Bank
01.2009 - 01.2010
In-Bound Agent
Standard Bank Customer Care
01.2008 - 01.2009
Education
Bachelor of Commerce Honours - Business Informatics
University of South Africa
South Africa08-2026
No Degree - Data Management
DAMA International's
International 04.2001 -
Bachelor of Commerce - Business Informatics (NQFL 7)
University of South Africa
South Africa01-2025
Economic & Management Science (NQFL 5) -
UNISA
South Africa01-2019
Skills
Power BI
DAX
SQL
AWS
Casewise
Data lineage documentation
Data quality management
Root cause analysis
RDARR compliance
BCBS 239 principles
Business requirements translation
Risk reporting
Data dictionary management
Process modeling
Stakeholder management
Certification
Data Science Practitioner (NQFL 5) — ApexU (Completed 2025)
Timeline
Business Intelligence Developer
African Bank
05.2026 - Current
Business Analyst (RDARR) Data Governance
African Bank
08.2023 - Current
Junior IT Data (RDARR) Analyst
U Bank
06.2022 - 12.2022
IT Desktop Support Engineer
U Bank
02.2014 - 03.2022
IT Service Desk Agent
U Bank
01.2012 - 01.2014
IT Field Support Technician
RNS Consulting (Vodacom)
01.2011 - 01.2012
Data Support Agent
Vodacom
01.2011 - 01.2011
Desktop Support Engineer
Standard Bank
01.2009 - 01.2010
In-Bound Agent
Standard Bank Customer Care
01.2008 - 01.2009
No Degree - Data Management
DAMA International's
04.2001 -
Bachelor of Commerce Honours - Business Informatics
University of South Africa
Bachelor of Commerce - Business Informatics (NQFL 7)
University of South Africa
Economic & Management Science (NQFL 5) -
UNISA