Mark Hoffman
cape town
Summary
Diesel mechanic,electrical,health and safety rep with strong safety consciousness and procedure and technical supervisor with a strong background in locomotive maintenance, fault finding, and electrical repairs. Hands-on experience includes preventive maintenance, diagnostics, rebuilds, rerailing support, and safe work practices across heavy-duty rail and marine systems. Known for reliable shift planning, quality checks, and training support for maintenance teams.
Overview
2
2
Languages
2027
2027
years of professional experience
Work History
Diesel Mechanic
GRIMMS (ACDS) Simonstown
11.2022 - Current
- Carried out diagnostics on Volvo diesel engines D4 and D6 systems.
- Serviced W5 and W6 diesel engines to ensure operational reliability.
- Serviced diesel generators to keep outputs stable and available.
- Rebuilt 444 and 193 engines through complete overhaul for optimal performance.
- Monitored K-type and PT100 sensors along with pressure switch readings daily to ensure accurate performance.
- Built PLC system knowledge to trace faults and confirm diagnoses.
- Performed electrical fault finding on navy frigates to restore safe running.
- Monitored navy frigate systems to identify performance issues and fault indicators.
- Rewired monitoring systems on navy T-craft ships to restore correct monitoring.
01.2021 - 01.2022
- Hustling private jobs
- Home improvements
- Diagnostics on vehicles
- Repair starters
- Repair alternators
Technical Supervisor
Transnet
01.2004 - 01.2021
- Plan preventive and corrective maintenance services to keep schedules on time.
- Execute tasks using just-in-time planning to meet deadlines reliably.
- Carry out pre and post inspections to maintain quality standards consistently.
- Run daily maintenance tasks and track completion from start to finish.
- Delegate repairs and planned work to qualified artisans each shift.
- Hold safety symposiums twice daily to reinforce risk awareness actively.
- Rerail derailed locomotives and wagons to restore service promptly.
- Open and close work orders for each maintenance activity completed.
- Apply Health and Safety ISO 9001 requirements during maintenance delivery.
- Conduct audits to check compliance with procedures and record findings.
- Train personnel to follow maintenance methods and safety requirements correctly.
- Implement kaizen projects to improve maintenance processes continuously.
- Coordinate fleet operations and maintenance planning as fleet coordinator.
- Manage risk assessments to minimise incidents across maintenance activities.
- Perform quality control checks to keep workmanship within specifications.
- Track KPIs and maintain performance reviews for maintenance output.
- Lead change management steps to control updates across maintenance work.
- Run performance management activities to monitor capability and improvement plans.
- Performance Management
Diesel Electrical Fitter
Transnet Engineering
12.1999 - 10.2004
- Rebuild diesel electrical locomotive diesel engines
- Mechanical engine fault finding
- Brakes (EBR AND 28LAV brake system(daily and monthly test))
- Remove and replace brake valves and rebuild
- Electrical fault finding
- Do call out on breakdown
- Do call out locomotive failures
- Breakdown rerail locomotives
- Supported heavy equipment installations with properly set forms and concrete.
- Coordinated smooth and safe shutdowns and startups with facility personnel.
- Kept supplies and tools organized and ready to handle repair needs.
- Overhauled diesel Engines
- Removal and replacement of engine components
- Done breakdowns rerailing of derailed locomotives
- Shutdown management Malfunction diagnostics
- Done Loadbox on 33,34,35,36 class locomotives
- Trained diesel electrical apprentice in apprentice school period 2 years
- Removal of turbo charges,engines,alternators,main generators,exciter
- Auxillary generators,turbo,s,compressors,cylinders,art rod,master rods,intercoolers,fan gearboxes
- Overhaul 33,35,36 class bogies
- Change out traction motor and wheelsets
- Change out couplers
- Did wheel readings
- Did schematics 35,36 class locomotive
- Did major overhaul on 33,34,35,36 class locomotives
- Did A,B,C service on 33,34,35,36 class locomotives
- Did for 7 months A, B, C service on 35800 locomotives (KIMBERLY)
- Call out at night breakdowns
- Breakdown on locomotives
- Identified malfunctions and defects using wiring diagrams, inspections, and tests.
Skilled Diesel Electrical Fitter Red Seal (1999)/mechanic
Education
N2 -
Olden Molen Technical College
Pinelands, South Africa12-1997
Grade 10 -
Aloe Secondary School
01-1986
Skills
- Word processing and Excel
- Email communication
- Presentation design
OTHER SKILLS
- Carpentry and cabinetry
- Plumbing and electrical work
- Small construction projects
- Fault finding and repair
- Welding and tiling
- Vehicle engine overhaul
- Tilling
- Carperting
- Fitting aluminium windows and doors
- Vhicle engine overhaul
PERSONAL DETAILS
Home Language: English
Other Languages: Afrikaans
REFERENCES
- Mr, Kirkwood, Production Manager, Transnet, (deceased)
- Alex, Governor, Manager Propulsion, 0632961202, GRIMMS (ACDS)
- Mr Mario, Raymond, Operation Manager Machanical, 060 5261314, GRIMMS(ACDS)
Hobbies
Playing music,watching sports and fishing
PERSONAL DETAILS
- ID: 6912215158080
- School: Grade 10
- Other: N2
- Drivers license: Code 10
- Health: Excellent
Timeline
Diesel Mechanic
GRIMMS (ACDS) Simonstown
11.2022 - Current
01.2021 - 01.2022
Technical Supervisor
Transnet
01.2004 - 01.2021
Diesel Electrical Fitter
Transnet Engineering
12.1999 - 10.2004
Skilled Diesel Electrical Fitter Red Seal (1999)/mechanic
N2 -
Olden Molen Technical College
Grade 10 -
Aloe Secondary School