Ntsobe Johannes Lengwati
QA/QC Inspector
Batlharos
Summary
Quality assurance professional with extensive experience in quality control processes and inspections. Proven track record of ensuring compliance with stringent standards and consistently improving product reliability. Known for strong team collaboration and flexibility, ensuring seamless adaptation to evolving project requirements.
Overview
20
20
years of professional experience
2026
2026
years of post-secondary education
3
3
Languages
Work History
QA /QC Inspector
MEI Construction & Services (Pty)Ltd
02.2024 - 12.2024
- Collaborated with engineering/construction teams (both internally and from the client's side) for the successful resolution of complex quality issues, ensuring product performance met the customer requirements.
- Compilation of project data books, progressively updating thereof and final handing over to the client as per contractual obligation.
- Conducting testing of welders according to the approved project specific welding procedures
- Facilitating of third party non-destructive inspections on critical site welds as per project specifications
Co-Ordinator
Pule Pula General Trading (Pty)Ltd
08.2022 - 01.2023
- Working with the Managing Director to create and monitor schedules for received tender RFPs
- Providing status updates within the proposal milestones and deadlines.
- Ensuring that the proposals meet all the minimum requirements of the potential client.
Workshop Manager
Ramzo Mining & Construction cc
01.2021 - 01.2022
- Responsible for day to day running of the workshop
- Ensuring that a safe & healthy working environment is realised by complying with the regulations
- Conducting daily production meetings with the team
- Work flow planning
- Liaise and maintaining relationships with suppliers
- Ensuring that a healthy spares inventory is maintained by doing regular stock-taking
- Generating quotes for potential clients and making follow ups with them
- Submitting monthly progress report to the CEO
Network Marketer
BitClub Network
01.2018 - 01.2020
- Undergo a continuous leadership and marketing skills development training
- Find and generate leads with potential clients to present a business opportunity
- Setting up of individual and group meetings with potential clients
- Follow up with the leads and close-out sales
- Build a network team
- Development and mentoring of team leaders by training & supporting them when establishing their own networks
QA/QC Inspector (Kusile Power Station)
Tenova Mining & Minerals
01.2013 - 01.2017
- Company Overview: Eskom (Client)
- Off-Site
- Conduct Regular Supplier Visits
- Supplier Documentation Reviewing (Indexes, Quality Control Plans, Welding Documentation, Corrosion Protection Specifications & Procedures, NDT Procedures and NDT Technicians' Qualifications)
- Material certificates reviews/verification
- Visual/Dimensional inspections
- Welding Inspections (Pre- and Post- Welding)
- Witnessing/Verification of Non-Destructive Testing (UT, MT, PT)
- Corrosion Protection Inspections (Painting & Galvanizing)
- Witnessing of Factory Trial Assemblies
- On-Site
- Contractor quality documentation reviewing (Indexes, Quality Control Plans, Welding Documentation, Corrosion Protection Specifications & Procedures, NDT Procedures and NDT Technicians' Qualifications)
- Ensuring that contractors are working from the latest revision drawings as per updated registers
- Manage contractors' interfacings between civils and mechanicals (Issuing of Access Certificates)
- Verification of alignments using calibrated measuring equipment
- Witnessing of critical welding of the heavy machinery guide rails
- Conduct site quality audits on sub-contractors
- Conduct in-progress inspections prior to handing-over to the client
- Witnessing of belt splicing from preparation stage, baking to completion
- Attend client weekly quality meetings (progress and statistics updates)
- Address and close-out non-conformance reports raised by the client
- Eskom (Client)
QA/QC Inspector (Medupi Power Station)
Cosira Group
01.2011 - 01.2013
- Company Overview: Alstom Power (Client)
- Daily running of the site quality control department and assuring adherence to client requirements & specifications
- Ensuring that all the critical information compiled is presented to the client during both formal and informal audits
- Compile QC Data Packs (Indexes, Quality Control Plans, Checklists, Welding Documentation, Corrosion Protection Specifications & Procedures, NDT Procedures and NDT Technicians' Qualifications)
- Ensuring that the construction team on site is working from the latest revision drawings as per updated registers
- Conducting internal audits on the stores, materials' control and document control departments for compliance
- Managing and verifying Interfacing with the civils and mechanicals contractors for beneficial access (acceptance & issuing of certification thereof)
- Witnessing/verification of adherence to specified tolerances when aligning the steelwork & erected machanicals using calibrated measuring equipment
- Facilitating the qualification of welding procedure and welder operators according to the client specifications
- Conduct in-progress inspections of works prior to handing-over to the Client
- Address and Close-out non-conformance reports raised internally against fabrication department during manufacturing, logistics department during handling and site team during erection stage as well as those raised by the Client
- Generate Engineering/Technical queries to the client as a result of design issues
- Compile monthly reports (progress and statistics updates) to my manager back in Head Office
- Alstom Power (Client)
Q C Inspector (Douglas Middelburg Mines Optimization Project)
Cosira International
01.2009 - 01.2011
- Company Overview: Bateman Engineered Technologies (Client)
- Daily running of the site quality control department and assuring adherence to client requirements & specifications
- Ensuring that all the critical information compiled is presented to the client during both formal and informal audits
- Compile QC Data Packs (Indexes, Quality Control Plans, Checklists, Welding Documentation, Corrosion Protection Specifications & Procedures, NDT Procedures and NDT Technicians' Qualifications)
- Ensuring that the construction team on site is working from the latest revision drawings as per updated registers
- Managing interfacing between the civils and mechanicals contractors for beneficial access (acceptance & issuing of certification thereof) in work areas
- Verification of adherence to specified tolerances when aligning the steelwork & erected machanicals using calibrated measuring equipment
- Facilitating the qualification of welding procedures as well as welder operators according to the client specifications which involved 3rd party inspections
- Conduct in-progress inspections of works prior to handing-over to the Client
- Witnessing of belt splicing from preparation stage, baking to completion
- Address and close-out non-conformance reports raised internally against fabrication department during manufacturing, logistics department during handling and site team during erection stage as well as those raised by the Client
- Generate Engineering/Technical queries to the client as a result of design issues
- Compile monthly reports (progress and statistics updates) to my manager back in Head Office
- Bateman Engineered Technologies (Client)
QC Inspector (Richard's Bay Coal Terminal Phase5 Expansion Project)
Cosira International
01.2008 - 01.2009
- Company Overview: Bateman Engineered Technologies (Client)
- Daily running of the site quality control department and assuring adherence to client requirements & specifications
- Ensuring that all the critical information compiled is presented to the client during both formal and informal audits
- Compile QC Data Packs (Indexes, Quality Control Plans, Checklists, Welding Documentation, Corrosion Protection Specifications & Procedures, NDT Procedures and NDT Technicians' Qualifications)
- Ensuring that the construction team on site is working from the latest revision drawings as per updated registers
- Managing interfacing between the civils and mechanicals contractors for beneficial access (acceptance & issuing of certification thereof) in work areas
- Verification of adherence to specified tolerances when aligning the steelwork & erected machanicals using calibrated measuring equipment
- Facilitating the qualification of welding procedures as well as welder operators according to the client specifications which involved 3rd party inspections
- Conduct in-progress inspections of works prior to handing-over to the Client
- Witnessing of belt splicing from preparation stage, baking to completion
- Address and close-out non-conformance reports raised against the client and the fabricator during manufacturing and site delivery processes
- Generate Engineering/Technical queries to the client as a result of design issues
- Compile monthly reports (progress and statistics updates) to my manager back in Head Office
- Bateman Engineered Technologies (Client)
QC Inspector (Finsch Mine Treatment Plant Upgrade Project)
Cosira International
01.2006 - 01.2008
- Company Overview: Bateman Africa (Client)
- Daily running of the site quality control department and assuring adherence to client requirements & specifications
- Ensuring that all the critical information compiled is presented to the client during both formal and informal audits
- Compile QC Data Packs (Indexes, Quality Control Plans, Checklists, Welding Documentation, Corrosion Protection Specifications & Procedures, NDT Procedures and NDT Technicians' Qualifications)
- Ensuring that the construction team on site is working from the latest revision drawings as per updated registers
- Managing interfacing between the civils and mechanicals contractors for beneficial access (acceptance & issuing of certification thereof) in work areas
- Verification of adherence to specified tolerances when aligning the steelwork & erected machanicals using calibrated measuring equipment
- Facilitating the qualification of welding procedures as well as welder operators according to the client specifications which involved 3rd party inspections
- Conduct in-progress inspections of works prior to handing-over to the Client
- Facilitating site fabrication of pipe spools and sending them off-side to be rubber lined due to the plant high slurry levels
- Witnessing of belt splicing from preparation stage, baking to completion
- Address and close-out non-conformance reports raised internally against fabrication department during manufacturing, logistics department during handling and site team during erection
- Generate Engineering/Technical queries to the client as a result of design issues
- Ensuring that correct grade bolts are employed and tightened to specifications due to the plant's high levels of vibration
- Compile monthly reports (progress and statistics updates) to the Quality Manager at Head Office
- Bateman Africa (Client)
Materials Controller/Quality Control Coordinator (PMR Capacity Upgrade Project)
Cosira Projects
01.2005 - 01.2006
- Company Overview: Bateman Africa (Client)
- Receiving and inspecting delivery of materials from the suppliers
- Controlling the storage and preservation of free issue equipment from the client
- Maintaining drawing registers and welding documentation (WPS, WPQR & Welder Certificates)
- Generating red-lined/as-built drawings
- Overseeing the sandblasting and painting processes of all the site fabricated steelworks
- Administering of all the relevant checklists for the works conducted
- Sending weekly updates to the Site Manager and monthly updates the company's Quality Manager
- Bateman Africa (Client)
Education
AWS D1.1 Codes of Construction Course -
South African Institute of Welding (SAIW)
National Diploma - Mechanical Engineering - Engineering Management, Mathematics 3 (Engineering), Applied Strength of Materials 3, Theory of Machines 3, P1 In-service training
UNISA
Florida Johannesburg 01.2005 - 01.2015
Matric - Mathematics SG, Physical Science HG, Biology HG, English HG, Afrikaans HG, Tswana HG
Ed-U College Secondary School
Skills
Juan-Emil Saayman (Structural Engineer - SGS Bateman): 082 927 9501 Mogale Tailings Retreatment Project
Bongani Sibanyoni (Project Manager - Mei Construction & Services): 083 646 3440 Mogale Tailings Retreatment Project
Thomas Mathebula (Construction Manager - Mei Construction & Services): 082 357 9602 Mogale Tailings Retreatment Project
Graham Wood (SHERQ Manager - Tenova Takraf): 082 654 6244 Kusile Power Station Project
Njabulo Ntombela (Quality Control Supervisor - Alstom Power): 079 109 0700 Medupi Power Station Project
Timeline
QA /QC Inspector
MEI Construction & Services (Pty)Ltd
02.2024 - 12.2024
Co-Ordinator
Pule Pula General Trading (Pty)Ltd
08.2022 - 01.2023
Workshop Manager
Ramzo Mining & Construction cc
01.2021 - 01.2022
Network Marketer
BitClub Network
01.2018 - 01.2020
QA/QC Inspector (Kusile Power Station)
Tenova Mining & Minerals
01.2013 - 01.2017
QA/QC Inspector (Medupi Power Station)
Cosira Group
01.2011 - 01.2013
Q C Inspector (Douglas Middelburg Mines Optimization Project)
Cosira International
01.2009 - 01.2011
QC Inspector (Richard's Bay Coal Terminal Phase5 Expansion Project)
Cosira International
01.2008 - 01.2009
QC Inspector (Finsch Mine Treatment Plant Upgrade Project)
Cosira International
01.2006 - 01.2008
Materials Controller/Quality Control Coordinator (PMR Capacity Upgrade Project)
Cosira Projects
01.2005 - 01.2006
National Diploma - Mechanical Engineering - Engineering Management, Mathematics 3 (Engineering), Applied Strength of Materials 3, Theory of Machines 3, P1 In-service training
UNISA
01.2005 - 01.2015
Matric - Mathematics SG, Physical Science HG, Biology HG, English HG, Afrikaans HG, Tswana HG
Ed-U College Secondary School
AWS D1.1 Codes of Construction Course -
South African Institute of Welding (SAIW)
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