JEAN-PIERRE VAN ROOYEN
Mechanical Foreman,Qualified Diesel Technician,Mining & Heavy Equipment
Modelpark,Witbank
Summary
Seeking to add value within a progressive mining or engineering environment by integrating extensive technical expertise with operational leadership to enhance equipment reliability, optimise maintenance execution, and ensure alignment between maintenance activities and production objectives, while maintaining high safety and compliance standards.
I am motivated to advance into an operational leadership role where I can combine my extensive technical background with strategic leadership to improve equipment availability, optimise maintenance strategies, and lead high-performing teams. With over 15 years of mining and heavy equipment experience, supported by proven supervisory exposure, I am focused on driving measurable improvements in safety, productivity, operational efficiency, and overall site performance.
Overview
2
2
Language
18
18
years of professional experience
Work History
Senior Diesel Technician | Relief Engineering Supervisor | Relief Safety Officer
Glencore Coal SA
01.2014 - Current
- Maintenance and breakdown management on water pumps CAT engines (C2.2, C7, C9, C13).
- Assistant Engineering Supervisor (2.9.2) (April 2015 – January 2020)
- LDV fleet diagnostics and repairs.
- Lighting plant maintenance, breakdowns and fault finding.
- Mercedes-Benz 3344 servicing and breakdown support.
- Relief Engineering Supervisor – coordinating artisans and job execution.
- Relief Safety Officer (2025) – enforcing site safety standards and procedures.
- Monitoring equipment availability and implementing corrective actions.
- Yellow machine availability performance
- Conducted preventive maintenance on heavy machinery to ensure operational reliability.
- Standby and Shift Duties
- Preventative and planned maintenance
- Mentoring of apprentice-On job training
- Troubleshot systems, traced problems and diagnosed root causes.
- Performed vehicle lubrication and safety inspections.
- Delivered reliable repair services by consistently adhering to manufacturer specifications during all maintenance activities.
Reference
- Johan Jv Nieuwenhuizen – 072 100 7841
Senior Diesel Technician
Diesel Power
01.2011 - 01.2014
- Maintenance and breakdown support on CAT D9, D10, D11 dozers.
- CAT 777 rigid dump trucks support and maintenance,
- Hitachi excavators (870, 1200) maintenance and repairs.
- Komatsu 1250 equipment support,maintenance and repairs.
- Preventative maintenance and diagnostics to maximize uptime.
- Machine availability and reliability
Reference
- Rudi Labuschagne – 064 908 4201
Apprenticeship | Senior Diesel Technician
Scharrighuizen
01.2008 - 01.2011
- Diesel mechanic apprenticeship completion.
- Maintenance and breakdowns on Mercedes-Benz trucks (3330, 3334, 4148, 4150).
- Hydraulic cylinder service.
- Rebuilds of CAT engines, transmissions, differentials and final drives.
- Rudi Labuschagne – 064 908 4201
Education
Grade 12 -
Technical High School Witbank
01-2007
Skills
Planned Maintenance Coordination
Breakdown Response Leadership
Planned & Preventative Maintenance Execution
Artisan Oversight & Quality Control
Equipment Availability Optimization
Safety Compliance & Risk Identification
Toolbox Talks & Incident Prevention
Technical Reporting & Stakeholder Communication
Mining Equipment Diagnostics
Timeline
Senior Diesel Technician | Relief Engineering Supervisor | Relief Safety Officer
Glencore Coal SA
01.2014 - Current
Senior Diesel Technician
Diesel Power
01.2011 - 01.2014
Apprenticeship | Senior Diesel Technician
Scharrighuizen
01.2008 - 01.2011
Grade 12 -
Technical High School Witbank
Professional Profile
Qualified and trade-tested Diesel Mechanic with over 15 years of experience in mining and heavy equipment environments. Extensive expertise in CAT, Hitachi, Komatsu, and Mercedes-Benz machinery, including diagnostics, breakdown management, preventative maintenance, and component rebuilding. Proven leadership capability through Relief Engineering Supervisor and Relief Safety Officer roles. Strong focus on equipment availability, safety compliance, and operational efficiency.