THANDI NKUMBUZO MNYAKENI
Quality Manager
Pretoria
Summary
Quality Manager leading QMS governance, internal audits, and non-conformance closure in precision steel manufacturing. Oversees third-party inspections, dispatch data packs, supplier claims, and corrective action implementation to keep products aligned with customer and company specifications. Builds quality capability through staff training, QMS awareness, and continuous improvement initiatives.
Overview
4
4
Certifications
7
7
years of professional experience
Work History
Quality Manager
EIGEN STEEL
01.2025 - Current
- Overseeing inspections
- Coordinating with third party inspectors
- Implement and govern QMS to ensure compliance and system effectiveness (including efficiency).
- Non-conformance investigation and closure (Root-cause analysis, corrective & preventive action implementation)
- Manage quality assurance processes, ensuring compliance with customer and company specifications.
- Manage and audit program and execute internal audits.
- Perform visual inspections of all materials ready for dispatch to ensure quality and compliance.
- Ensure that in-line inspections on manufactured parts are done as per requirements.
- Recording and reporting on non-conformances.
- Verify the aesthetic appearance of products to meet quality standards.
- Ensure compliance with all quality instructions and procedures.
- Implement continuous improvement initiatives in quality assurance.
- Train staff on the proper use of measuring tools and quality assurance procedures.
- Raise regular QMS awareness to employees.
- Define roles and expectations for staff within the quality department.
- Monitor progress and performance to ensure continuous improvement.
- Manage supplier non-conformances and claims, ensuring follow-up and resolution.
- Compile and validate complete data packs for all products prior to customer dispatch.
- Precision steel manufacturer
- JAN 2025- PRESENT
Quality Supervisor
EIGEN STEEL
08.2024 - 12.2024
- Inspection of raw material according to type (structural material, hot rolled and galvanized)
- Conduct visual inspections of structural components to identify any deviations from standard.
- 1st off inspections of laser parts and bending.
- Conduct FAIs and FATs with the third-party inspector.
- Ensure that in-line inspections on manufactured parts are done as per requirements.
- Utilize go/no go gauges to measure specified criteria on 100% of produced components
- Recording and reporting of non-conformance.
- Dimensional checks and structural accuracy using measuring equipment’s (vernier, tape measure, micrometer, radius gauge and thickness gauge).
- Approval of final inspections as per drawing specifications.
- Ensuring that inspections are done, and daily targets are met.
- Roaming inspections around the factory.
- Monitor production processes, detecting changed and ensuring adherence to established quality protocol.
- Document inspection results and communicate finding to the relevant stakeholders.
- Collaborate with production teams to address quality issues and implement corrective actions.
- Maintain a clean and safe working environment in compliance with health and safety regulations.
- Participate in continuous improvement initiatives to enhance quality control processes.
- Precision steel manufacturer
- AUG 2024-DEC 2024
Quality Controller
SABELCO GROUP
03.2023 - 07.2024
- Sabelco Group is divided into three companies. As a quality controller I am trained and competent in all three. I was stationed at Sabelco Electrical and assisted in Tam and CNC solutions.
- Inspection of raw material according to material types (mild steel, galvanized, Electro galvanize and stainless steel (304, 3Cr12, and 316)).
- 1st off inspections of parts from Laser, Punching, Bending welding and Guillotine machine.
- In process inspections and last of inspection of different parts according to specifications
- Dimensional checks and structural accuracy using measuring tools (vernier, measuring tape, radius gauge, square, protractor).
- Approving of finished products as per drawings and specifications.
- Recording and reporting any non-conformances.
- Calibration of measuring equipment.
- Ensuring compliance of the manufacturing of assembly with quality standards.
- Performing physical, visual and measurement checks.
- Assisting staff with quality issues.
- Recording and reporting of non-conformances.
- Assisting with quality investigations.
- Updating and controlling all process and quality related documents.
- Recording, remedying, and identifying preventive measures for quality issues.
- Product and process reviews.
- Parts identification as per job pack.
- Calibration of equipment (elcometer and tape measure)
- Powder thickness inspection using elcometer, and the acceptance and compliance of parts according to specifications.
- Powder coating inspections (impact test and stretch test).
- Ensuring compliance with the manufacturing of assembly of Low Voltage electrical switchgear as per IEC/EN 61439 standard.
- IP level inspection in cubic panels and Sab steel boxes.
- Measuring electrical insulation resistance on horizonal and vertical busbar using an insulation tester.
- Copper inspection on electrical panel as per the copper guide.
- Continuity testing on earth bars to determine if an electrical path can be established between two points.
- Inspection of the finished product as per drawings and specifications.
- Recording and reporting on non-conformances.
- LV Electrical Switchboard manufacturer
- MAR 2023-JULY 2024
Quality Control Inspector (Roaming Inspector)
SLING AIRCRAFT
06.2022 - 02.2023
- Performing In-process Quality Control inspections (workmanship and step verification, approval of sub-assemblies and assemblies in accordance with industry/internal manufacturing standards).
- Conduct random inspections throughout the day on daily production, tools registers and tool tags.
- Approving of finished products by confirming specifications and conducting visual and measurement tests where necessary.
- Documenting inspection results by completing Inspection checklists.
- Keeping measurement equipment operating by following operating instructions and calibration requirements and calling for repairs when needed.
- Working with Quality Control Manager on parts and process Non-Conformances.
- Working with Quality Control Manager to continually improve processes and methods.
- Ensuring compliance with both MOP & SOP’s.
- Ensuring that workplace cleanliness is maintained throughout the organization.
- Maintaining safe and healthy work environment by following standards and procedures and complying with legal regulations.
- Update job knowledge by familiarizing yourself with the technical build manuals.
- Performing other duties as assigned by the Quality Control Manager.
- Aircraft Manufacturer
- JUNE 2022 – FEB 2023
Quality Control Inspector
SLING AIRCRAFT
02.2019 - 06.2022
- Inspection of manufactured parts for certified aircraft, specification verification, including measurement and unit counts.
- Dimensional inspection.
- Accept or reject parts according to specifications.
- Inspection of assembled parts.
- Maintaining an accurate and detailed log of inspections, including re-work, waste output and equipment repair.
- NDT (Non-destructive testing) and writing NDT reports).
- Processing builds records and monitoring the overall quality and function of each product that leaves the assembly line.
- Aircraft Manufacturer
- FEB 2019 – JUNE 2022
Trainee Metallurgist
STELOY CASTINGS
01.2016 - 10.2016
- Responsibilities – Foundry Operations (Steel, Stainless Steel & Cast Iron)
- Develop and calculate furnace charges using scrap metal, runners, risers, and alloying elements to meet required chemical specifications.
- Collect representative molten metal samples during the melt process and prepare them for analysis in accordance with foundry protocols.
- Conduct preliminary chemical analysis of samples using an optical emission spectrometer (OES) to determine alloy composition and compliance with standards.
- Adjust the molten metal chemistry through calculated additions of alloying and de-oxidizing agents to achieve desired specifications.
- Calculate and apply appropriate de-oxidizing agents to control oxygen levels in the melt and improve metal quality.
- Perform controlled casting of molten steel, stainless steel, and cast iron into molds, ensuring proper pouring techniques and safety compliance.
- Conduct Brinell, Rockwell, or Vickers hardness tests on cast components to verify mechanical properties post-casting or heat treatment.
- Prepare samples for metallographic examination, including mounting, grinding, polishing, and etching, followed by microscopic evaluation of grain structure and defects.
- Carry out heat treatment operations such as annealing, normalizing, quenching, and tempering to alter the mechanical properties of cast products.
- Conduct tensile and other mechanical tests on steel, stainless steel, and cast-iron specimens to validate material strength and ductility.
- Foundry
- Jan 2016 – OCT 2016
Education
Master of Philosophy - Engineering Management
University of Johannesburg
Gauteng 07-2026
Postgraduate Diploma - Quality
University of Johannesburg
Gauteng 04-2025
BTech - Quality
University of Johannesburg
Gauteng 04-2020
BTech - Engineering Metallurgy
University of Johannesburg
Gauteng 05-2019
National Diploma - Engineering Metallurgy
University of Johannesburg
Gauteng 05-2017
Skills
ISO9001:2015 certified internal auditor
Root-cause analysis
Corrective action management
Nonconformance management
Supplier quality management
Microsoft Excel
Process improvement using SPC (Quality Assurance System)
Ability to read Technical Drawings 2D and 3D
Dimensional inspection
Inspection reporting
Certification
ISO 9001:2015 Requirements, Implementation & internal Audit
References
Available upon request
Timeline
Quality Manager
EIGEN STEEL
01.2025 - Current
Quality Supervisor
EIGEN STEEL
08.2024 - 12.2024
Quality Controller
SABELCO GROUP
03.2023 - 07.2024
Quality Control Inspector (Roaming Inspector)
SLING AIRCRAFT
06.2022 - 02.2023
Quality Control Inspector
SLING AIRCRAFT
02.2019 - 06.2022
Trainee Metallurgist
STELOY CASTINGS
01.2016 - 10.2016
Master of Philosophy - Engineering Management
University of Johannesburg
Postgraduate Diploma - Quality
University of Johannesburg
BTech - Quality
University of Johannesburg
BTech - Engineering Metallurgy
University of Johannesburg
National Diploma - Engineering Metallurgy
University of Johannesburg