Diesel Mechanic

Position Title: Diesel Mechanic

Department: Maintenance

Reports To: Mechanical Supervisor / Fleet Maintenance Supervisor

Job Overview

The Diesel Mechanic is responsible for the inspection, diagnosis, maintenance, servicing, and repair of diesel-powered vehicles, heavy equipment, generators, mobile machinery, and auxiliary systems to ensure safe, reliable, and efficient operations. The role supports plant and fleet availability through the effective execution of preventive, predictive, and corrective maintenance activities while ensuring compliance with safety, quality, and environmental standards.

The successful candidate must possess strong mechanical troubleshooting skills, hands-on experience with diesel engines, and the ability to work effectively in a manufacturing, construction, or heavy industrial environment.

Key Responsibilities

1. Perform Preventive Maintenance

Conduct scheduled preventive maintenance on diesel engines, generators, forklifts, trucks, hydra cranes, and other heavy-duty equipment in accordance with maintenance schedules and OEM recommendations.

2. Diagnose Mechanical and Engine Faults

Inspect, troubleshoot, and diagnose faults in diesel engines, fuel systems, hydraulic systems, transmission systems, cooling systems, and associated components.

3. Carry Out Repairs and Overhauls

Perform repair, overhaul, replacement, and reconditioning of diesel engine components, including injectors, turbochargers, pistons, pumps, radiators, and transmission units.

4. Inspect and Maintain Hydraulic Systems

Maintain and repair hydraulic pumps, cylinders, hoses, valves, and other hydraulic components to ensure optimum equipment performance.

5. Test and Commission Equipment

Conduct post-maintenance testing, performance checks, and commissioning activities to verify equipment reliability and readiness for operation.

6. Maintain Maintenance Records

Accurately document inspections, repairs, spare parts utilization, maintenance activities, and equipment history in maintenance management systems and logbooks.

7. Ensure Compliance with HSE Standards

Comply with Permit-to-Work (PTW), Lockout/Tagout (LOTO), PPE requirements, housekeeping standards, and all Health, Safety, and Environmental regulations during maintenance activities.

Basic Technical Competencies and Skills

The ideal candidate should demonstrate competency in:

• Maintenance and repair of diesel engines and heavy-duty equipment.
• Troubleshooting of fuel injection, combustion, and engine performance systems.
• Knowledge of hydraulic and pneumatic systems.
• Maintenance of generators, trucks, forklifts, hydra cranes, and construction equipment.
• Ability to read and interpret mechanical drawings, technical manuals, and schematics.
• Use of diagnostic and testing equipment.
• Preventive and corrective maintenance practices.
• Knowledge of engine overhauling and component replacement techniques.
• Understanding of lubrication systems and cooling systems.
• Knowledge of workplace safety procedures and industrial maintenance practices.
• Good analytical, problem-solving, and troubleshooting skills.
• Effective communication and teamwork skills.

Qualification and Experience

Educational Qualification

• National Diploma (ND) in Mechanical Engineering, Automotive Engineering, Heavy Equipment Maintenance, or a related technical discipline;

OR

• Trade Test Grade I, II, and III in Diesel Mechanics, Automotive Maintenance, Mechanical Engineering Trade, or a related technical field.

Professional Certification (Added Advantage)

• Diesel Engine Maintenance Certification.
• Heavy Equipment Maintenance Certification.
• Automotive Diagnostic Systems Certification.
• HSE Certification.

Experience

• Minimum of three (3) years' industrial experience in diesel engine maintenance, fleet maintenance, construction equipment maintenance, power generation, manufacturing, fertilizer, mining, cement, oil and gas, or related industrial operations.
• Proven experience maintaining diesel-powered trucks, generators, forklifts, mobile equipment, and heavy-duty machinery will be an added advantage.

Desired Attributes

• Strong commitment to safety and quality.
• High level of mechanical aptitude and attention to detail.
• Ability to work independently and under pressure.
• Good troubleshooting and diagnostic capability.
• Strong teamwork and interpersonal skills.
• Ability to manage multiple maintenance tasks effectively.
• Willingness to work shifts, overtime, and emergency maintenance assignments when required.