Thabo Justice Mahasha
@thabojusticemahasha
HSEQ Internal Lead Auditor focused on ISO compliance, risk reduction, and safety-first performance.
South AfricaWhat I'm looking for
I’m a detail-oriented, results-driven Independent HSEQ Internal Lead Auditor with 8+ years of ISO management systems auditing experience. I spearhead ISO 9001, ISO 14001, OHSAS 18001, ISO 45001, and legal compliance, bringing an analytical approach to identify critical risk gaps.
In my current role as HSERQ Lead Auditor & Ventilation Consultant at Bonolo HSERQ Services (Pty) Ltd, I provide health, safety, environmental, risk and quality management services with a continual-improvement mindset and readiness for third-party certification audits. I focus on building a safety-first culture by collaborating with leadership and supporting “goal of zero harm.”
My track record includes driving management systems certification and operational legal compliance across major operations, supporting reductions in incidents, and delivering major safety outcomes. For example, at ARM/Anglo American Platinum joint venture Modikwa Platinum Mine, I supported OHSAS 18001 and 14001 initial certification and eight million fatality free production shifts (21 June 2011).
I also bring deep mining ventilation and occupational health and hygiene expertise—from Chief Ventilation Engineer and Ventilation & Hygiene Manager roles to Occupational Hygiene Superintendent and Ventilation Engineer positions. Across mine operations, I’ve coordinated independent assurance audits, supported incident investigations and root-cause learning, and ensured effective governance of SHEQ systems and legal requirements.
Experience
Work history, roles, and key accomplishments
HSERQ Lead Auditor & Ventilation
Bonolo HSERQ Services (Pty) Ltd
Jan 2023 - Present (3 years 6 months)
Provided HSEQ, risk, and quality management services and acted as a lead auditor with a ventilation consultancy focus.
Senior Assurance Specialist
Anglo American Platinum
Jan 2018 - Jan 2022 (4 years)
Coordinated and conducted independent assurance audits to verify implementation of ISO management system standards and support a zero-harm safety approach.
SHE Risk & Assurance Auditor
Anglo American Platinum
Jan 2013 - Jan 2018 (5 years)
Performed SHE risk and assurance auditing across Anglo American Platinum operations, covering auditing and assurance activities to support effective SHEQ performance.
Chief Ventilation Engineer
Anglo American Platinum
Jan 2012 - Jan 2013 (1 year)
Led ventilation engineering efforts for the Twickenham Platinum Mine project.
Ventilation & Hygiene Manager
African Rainbow Minerals
Jan 2002 - Jan 2012 (10 years)
Managed ventilation and hygiene for the Modikwa Platinum Mine and associated projects, supporting a SHE management system and continuous compliance.
Occupational Hygiene Ventilation Engineer
Jan 1995 - Jan 2002 (7 years)
Worked as an occupational health and hygiene superintendent and ventilation engineer for Palabora mining operations and projects.
Chief Ventilation Officer
Impala Plats
Jan 1989 - Jan 1995 (6 years)
Served as chief ventilation officer for Impala Platinum and chrome mining operations and project work.
Provided ventilation officer support for Western Deep Levels mining operations including Tau Tona and Savuka mines.
Education
Degrees, certifications, and relevant coursework
University of South Africa (UNISA)
BTech (Safety Management), Safety Management
2019 - 2021
Completed a BTech in Safety Management through the University of South Africa from 2019 to 2021.
Riskza
ISO 45001:2018 Implementation, Internal & Supplier Auditor, ISO 45001
2021 -
Completed Riskza training for ISO 45001:2018 implementation with internal and supplier auditor roles (May 2021).
Riskza
ISO 14001:2015 EMS Internal & Supplier Auditor, ISO 14001
2021 -
Completed Riskza training for ISO 14001:2015 EMS as an internal and supplier auditor (June 2021).
Riskza
ISO 9001:2015 Implementation, Internal & Supplier Auditor, ISO 9001
2016 -
Completed Riskza training for ISO 9001:2015 implementation with internal and supplier auditor roles (March 2016).
North-West University (NWU)
ISO 14001:2004 to ISO 14001:2015 EMS Transition, ISO 14001 Transition
2015 -
Completed a transition program from ISO 14001:2004 to ISO 14001:2015 EMS (November 2015).
University of the Witwatersrand (Wits)
Certificate of Competence in SHE Risk Management, SHE Risk Management
2014 -
Earned a certificate of competence in SHE Risk Management (November 2014).
Gordon Institute of Business Science
Programme for Management Excellence, Management
2014 -
Completed the Gordon Institute of Business Science Programme for Management Excellence (November 2014).
North-West University (NWU)
Mine Health and Safety Law for Managers, Mine Health and Safety Law
2014 -
Completed a program on mine health and safety law for managers (March 2014).
North-West University (NWU)
OHSAS 18001 Lead Auditor (ISO 19011/17021), OHSMS Auditing
2013 -
Completed an OHSMS lead auditor program based on OHSAS 18001 using ISO 19011/17021 (November 2013).
North-West University (NWU)
OHSMS Internal Lead Auditor (OHSAS 18001), OHSMS Auditing
2013 -
Completed an OHSMS internal lead auditor program based on OHSAS 18001 (November 2013).
University of South Africa (UNISA)
Diploma (Safety Management), Safety Management
2009 - 2011
Completed a Diploma in Safety Management through the University of South Africa from 2009 to 2011.
Chamber of Mines
Safety Officer Certificate (COMSOC 1), Safety Management
2007 -
Completed the Chamber of Mines Safety Officer Certificate (COMSOC 1) in June 2007.
Afrocare
OHSAS 18001 Internal Auditor (Introduction & Implementation), OHSAS 18001
2005 -
Completed Afrocare training for OHSAS 18001 introduction, implementation, and internal auditor (November 2005).
Afrocare
ISO 14001:2004 EMS Implementation/Internal Lead Auditor, ISO 14001
2005 -
Completed Afrocare training for ISO 14001:2004 EMS implementation/internal lead auditor (November 2005).
Chamber of Mines
Safety Officer Diploma (COMSOC 2), Safety Management
2004 -
Completed the Chamber of Mines Safety Officer Diploma (COMSOC 2) in August 2004.
Aspect International
ISO 14001:2004 Auditor Certificate, ISO 14001 Auditing
1997 -
Completed an Aspect International ISO 14001:2004 auditor certificate (December 1997).
Aspect International
ISO 14001:2004 Implementation Certificate, ISO 14001 Implementation
1997 -
Completed an Aspect International ISO 14001:2004 implementation certificate (June 1997).
Availability
Location
South AfricaAuthorized to work in
Job categories
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