Diesel Mechanic

Boardroom Appointments; Johannesburg; On-site; ZAR 200,000 - 320,000; Full time

Job summary

Boardroom Appointments is seeking two skilled Diesel Mechanics to service diesel engines, transmissions, steering and hydraulic systems in Wadeville, Gauteng, with travel as required. The role supports heavy equipment and vehicles and requires standby and after-hours flexibility.

You will perform preventative maintenance, fault-finding and repairs, and maintain precise service records while upholding strict safety standards. A Red Seal and MERC truck experience are essential.

Qualifications

• Matric and Red Seal Diesel Mechanic qualification.
• 3–5 years post-qualification experience, MERC trucks exposure.
• Ability to read and write English and Afrikaans.
• Own tools required; specialised tools provided.
• Valid driver’s license; EC licence advantageous.

Responsibilities

• Perform preventative maintenance, fault-finding, diagnostics and repairs on diesel engines and heavy equipment.
• Maintain service records, job cards and maintenance reports.
• Diagnose and repair diesel engines, transmissions, steering, hydraulics and drivetrains.
• Attend breakdowns, standby duties and field services as required.
• Adhere to safety rules and standard operating procedures.
• Maintain a safe, well-organised workshop environment.
• Ensure accurate maintenance documentation.

Skills

Diesel engine diagnostics

Maintenance & repair

Fault-finding

Manual & automatic transmissions

Hydraulic systems

Engine overhauls

Record keeping

Field service

Safety procedures

English & Afrikaans

Valid driver’s license

Education

Matric (Grade 12)

Red Seal diesel mechanic

Job description

Diesel Mechanic x2

Location: Wadeville, Gauteng (with travel as required)

Department: Operations

Overview

An opportunity is available for a highly skilled Diesel Mechanic to perform preventative maintenance, fault-finding, diagnostics and repairs on diesel engines, transmissions, steering and suspension systems, air systems, drivetrains and hydraulic systems.

The successful candidate will support the reliable operation of heavy-duty vehicles, plant and construction equipment, ensuring equipment downtime is minimised and high standards of safety and workmanship are maintained. The role requires flexibility to work after hours, provide standby support, attend to breakdowns and perform field services.

Key Responsibilities

• Maintain detailed records of service and maintenance schedules and job cards.
• Follow inspection procedures and checklists.
• Maintain accurate records of parts ordered and inventory.
• Adhere to all safety rules and standard operating procedures.
• Perform preventative maintenance, fault-finding, diagnostics and repairs on diesel-powered vehicles and heavy equipment.
• Diagnose, service, overhaul and repair diesel engines.
• Maintain and repair manual and automatic transmissions, clutches and gearboxes.
• Diagnose and repair steering, suspension, pneumatic and hydraulic systems.
• Maintain hydraulic pumps, valves, cylinders and hydraulic lines.
• Inspect, maintain and repair air brake systems, drivetrains, differentials, axles and prop shafts.
• Conduct scheduled maintenance to minimise breakdowns and equipment downtime.
• Interpret technical manuals, mechanical drawings and diagnostic information.
• Identify mechanical faults and implement effective, timely repairs.
• Maintain accurate maintenance reports, job cards and service records.
• Work independently and under pressure while maintaining high standards of workmanship.
• Attend to breakdowns, standby duties and field services as required.
• Maintain a well‑organised and safe working environment.

Minimum Requirements

• Matric (Grade 12).
• Ability to read and write in English and Afrikaans.
• Red Seal qualification as a Diesel Mechanic.
• Minimum of 3-5 years' post‑qualification experience. Working on MERC trucks is required.
• Valid driver's licence.
• EC driver's licence will be advantageous but is not mandatory.
• Own tools are required; specialised tools will be provided.
• Strong technical and diagnostic skills.
• Good understanding of health and safety requirements and safe workshop practices.

Experience and Skills

• Extensive experience in the maintenance, servicing, fault‑finding and repair of diesel‑powered vehicles and heavy equipment.
• Strong knowledge of diesel engine diagnostics, overhauling, servicing and repairs.
• Experience with manual and automatic transmissions, clutches and gearboxes.
• Knowledge of steering, suspension, pneumatic and hydraulic systems on self‑propelled vehicles.
• Experience working with hydraulic systems, including pumps, valves, cylinders and hydraulic lines.
• Practical knowledge of air brake and pneumatic systems.
• Experience maintaining drivetrains, differentials, axles and prop shafts.
• Experience with plant and construction vehicles.
• Experience in the asphalt industry.
• Experience in the bitumen and road industry.
• Strong record‑keeping and administrative skills.
• Ability to work independently, manage multiple tasks and meet deadlines.

Only candidates who meet the essential requirements will be considered.