Churchill Ntsanwisi
CA(SA)
Germiston,GP
Summary
Chartered Accountant (CA(SA)) experienced in public sector audit with a specialization in IT Audit and data-driven assurance. Delivered effective solutions to identified control weaknesses through integration of Power BI, Python, SQL, and advanced Excel. Focused on advancing expertise in IT Controls, Cybersecurity Assurance, and Digital Risk Management.
Overview
1
1
Language
3
3
Certifications
3
3
years of professional experience
Work History
Audit Senior
Auditor-General of South Africa (AGSA)
06.2025 - Current
- Led risk-based financial, operational, and IT audit engagements across public sector entities, strengthening governance, risk management, and regulatory compliance.
- Evaluated business processes through walkthroughs, control design assessments, and operational effectiveness testing, identifying control weaknesses and recommending improvements.
- Assessed automated and IT-dependent controls within financial systems, enhancing the reliability and integrity of financial reporting processes.
- Leveraged Power BI, Excel, and data analytics techniques to interrogate large financial datasets, identify anomalies, and improve audit efficiency and coverage.
- Assessed Material Irregularities in accordance with AGSA methodology, identifying potential instances of non-compliance, financial loss, and governance failures.
- Reviewed financial statements, audit evidence, and supporting documentation to ensure compliance with auditing standards and improve audit quality.
- Delivered clear, actionable audit findings and recommendations to senior management and audit committees, supporting informed decision-making and risk mitigation.
- Developed and executed risk-based audit plans aligned with organisational objectives, ensuring comprehensive coverage of key risk areas.
- Collaborated with multidisciplinary teams and stakeholders to streamline audit processes, enhance transparency, and improve engagement outcomes.
- Monitored legislative and regulatory developments, incorporating changes into audit methodologies and ensuring ongoing compliance.
- Strengthened audit documentation and quality control processes, reducing review findings and supporting the timely completion of audit engagements.
- Conducted comprehensive audits to evaluate compliance with financial regulations, enhancing operational integrity.
- Collaborated with cross-functional teams to implement audit recommendations, streamlining processes and improving efficiency.
Trainee Accountant (SAICA Articles)
Auditor-General of South Africa, Pretoria
06.2023 - 05.2025
- Implemented audit procedures for financial statement compliance and performance audits in public sector entities, enhancing successful delivery of statutory audit engagements.
- Analyzed financial transactions alongside supporting documentation to validate precision in financial reporting.
- Assessed key controls and conducted substantive audit procedures to secure adequate audit evidence and reinforce audit conclusions.
- Evaluated compliance with PFMA, MFMA, and relevant legislative frameworks, identifying non-compliance instances and control deficiencies.
- Developed audit documentation and evidence files to support audit opinions and comply with quality review criteria.
- Investigated variances, exceptions, and unusual transactions through data analysis and financial interrogation techniques, assisting in the identification of risk areas.
- Produced audit findings and management recommendations that enhanced internal controls, governance practices, and operational accountability.
- Leveraged Excel, Power BI, and emerging analytics tools to improve audit testing, analyse financial data, and enhance the efficiency of audit procedures.
Education
Postgraduate Diploma in Accounting - Accounting Science
University of The Witwatersrand
Johannesburg01-2019
Bachelor of Accounting Science - Accounting Science
University of The Witwatersrand
Johannesburg, South Africa01-2018
National Senior Certificate -
Lamula Jubilee Secondary School
Meadowlands, South Africa01-2015
Skills
Data-driven insights
Power BI Dashboard Development
Data analysis with Python
Audit methodologies
Foundational SQL Querying
ISA & AGSA Application
IFRS & GRAP Compliance
Financial, regulatory, operational auditing
Risk assessment
Audit documentation
Audit planning
Advanced Excel
Accomplishments
- Co-Facilitator – 2025 Business Unit Meeting, AGSA
- Co-Facilitator – 2025 National B Roadshow
- Werkzman Prize – Best Learner in Commercial Law
- Golden Key International Honour Society – Top 15% Academic Performance
- Top Achiever – Pro Maths (Investec)
- Top Matriculant – Lamula Jubilee Secondary School
Certification
Currently enrolled the microsoft data analytst course on coursera.
Timeline
Currently enrolled the microsoft data analytst course on coursera.
05-2026
Registered Chartered Accountant CA(SA) – South African Institute of Chartered Accountants
06-2025
Audit Senior
Auditor-General of South Africa (AGSA)
06.2025 - Current
The Complete Python Bootcamp – Udemy
06-2023
Trainee Accountant (SAICA Articles)
Auditor-General of South Africa, Pretoria
06.2023 - 05.2025
Postgraduate Diploma in Accounting - Accounting Science
University of The Witwatersrand
Bachelor of Accounting Science - Accounting Science
University of The Witwatersrand
National Senior Certificate -
Lamula Jubilee Secondary School
Frameworks & Standards
IFRS | GRAP | PFMA | MFMA | ISA
Emerging Focus
IT Controls | ITGC Testing | Cybersecurity Risk | CISA Preparation