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

• 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.
• Diagnose Mechanical and Engine Faults: Inspect, troubleshoot, and diagnose faults in diesel engines, fuel systems, hydraulic systems, transmission systems, cooling systems, and associated components.
• Carry Out Repairs and Overhauls: Perform repair, overhaul, replacement, and reconditioning of diesel engine components, including injectors, turbochargers, pistons, pumps, radiators, and transmission units.
• Inspect and Maintain Hydraulic Systems: Maintain and repair hydraulic pumps, cylinders, hoses, valves, and other hydraulic components to ensure optimum equipment performance.
• Test and Commission Equipment: Conduct post-maintenance testing, performance checks, and commissioning activities to verify equipment reliability and readiness for operation.
• Maintain Maintenance Records: Accurately document inspections, repairs, spare parts utilization, maintenance activities, and equipment history in maintenance management systems and logbooks.
• 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.