Engineering

Diesel Mechanic

Dangote·All, nigeria·Full Time·Contract
EngineeringFull TimeContract
-

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.

Key skills

ONDVocationalProfessional Certificate
Apply Now

At a glance

Company

Dangote

Location

All, nigeria

Employment

Full Time

Experience

Valid until

Not specified

Created

October 17, 2026

More opportunities

Similar roles you might like

Heavy Duty Mechanic

Bretty Consultancy Services

& Guilds or equivalent technical qualifications will be an added advantage., Km 58, Lekki–Epe Expressway, Ibeju-Lekki, Lagos Employment Type: Full-time, Lagos, Nigeria

full-time

Bretty Consultancy Services, an Human Resource and Business consultancy firm, is recruiting suitably qualified candidates to fill the position below: Job Title: Heavy Duty Mechanic Location: Km 58, Lekki–Epe Expressway, Ibeju-Lekki, Lagos Employment Type: Full-time Job Summary We are seeking an experienced and technically competent Heavy-Duty Diesel Mechanic to join our Vehicle Workshop team. The successful candidate will be responsible for the maintenance, diagnosis, overhaul, and repair of heavy-duty vehicles and equipment, ensuring optimal performance, reliability, and safety. Key Responsibilities Carry out servicing, preventive maintenance, inspection, and repairs of heavy-duty equipment. Diagnose and troubleshoot engine, fuel system, transmission, hydraulic, cooling, and electrical faults. Overhaul and repair diesel engines, gearboxes, and other mechanical assemblies. Maintain and repair payloaders, forklifts, HIAB trucks, trailers, and other heavy-duty vehicles. Perform valve clearance adjustments and inspect hydraulic cylinders for seal failure or internal bypass. Use diagnostic tools and multimeters to test batteries, starters, alternators, and electrical circuits. Dismantle, repair, and correctly reassemble mechanical components. Conduct equipment testing after repairs to ensure proper functionality. Maintain workshop safety, proper housekeeping, and professional workmanship. Prepare maintenance reports, document completed jobs, and report spare parts requirements to the Workshop Head. Diagnose and repair Mitsubishi, Isuzu, and other heavy-duty vehicles and equipment. Requirements and Qualifications BSc in Engineering, relevant technical certification, or Trade Test qualification. Technical certificate in Mechanical or Automobile Engineering. Trade Test Certificate in Motor Vehicle Mechanics or Heavy-Duty Equipment Mechanics. City & Guilds or equivalent technical qualifications will be an added advantage. Minimum of 5 years' relevant hands-on experience in heavy-duty diesel mechanics. Practical experience maintaining diesel and petrol engines, trucks, forklifts, and payloaders. Strong knowledge of engine systems, hydraulic systems, transmissions, cooling systems, and automotive electrical systems. Ability to diagnose faults, overhaul components, and work independently with minimal supervision. Good communication, documentation, and problem-solving skills. Commitment to safety procedures, proper tool handling, and workshop discipline.

5 days ago

Truck Mechanic

Maton Engineering Nigeria Limited

Delta, nigeria

full-time

Job Summary We are seeking a skilled and experienced Truck Mechanic to inspect, maintain, troubleshoot, and repair heavy-duty trucks and commercial vehicles. This role is ideal for a technically competent and safety-conscious Truck Mechanic who can maintain heavy-duty vehicles to a high standard, minimize vehicle downtime, and ensure trucks remain safe, reliable, and operational. Key Responsibilities Inspect, service, maintain, and repair trucks and heavy-duty vehicles. Diagnose and troubleshoot mechanical, electrical, and hydraulic faults. Carry out preventive and corrective maintenance on company trucks. Service and repair diesel engines, transmissions, braking systems, suspension systems, and steering components. Conduct routine oil changes, lubrication, filter replacement, and fluid checks. Inspect tyres, batteries, cooling systems, exhaust systems, and other vehicle components. Identify worn or damaged parts and recommend appropriate repairs or replacements. Use diagnostic tools and equipment to identify vehicle faults. Respond to vehicle breakdowns and carry out repairs at project or field locations when required. Maintain accurate records of inspections, repairs, servicing, and maintenance activities. Ensure all repairs are completed according to manufacturer specifications and company standards. Monitor vehicle performance and report major defects or maintenance requirements to management. Maintain proper care and accountability of workshop tools, equipment, and spare parts. Keep the workshop and work area clean, organized, and safe. Comply with company HSE policies and applicable vehicle safety regulations. Perform other duties assigned by management. Qualifications & Requirements Certificate, Trade Test, OND, HND, or equivalent qualification in Mechanical Engineering, Automobile Engineering, Motor Vehicle Mechanics, or a related field. Must have 2 - 5 years' experience as a Truck Mechanic, Diesel Mechanic, or Heavy-Duty Vehicle Mechanic. Proven experience servicing and repairing heavy-duty trucks and commercial vehicles. Strong knowledge of diesel engines, transmissions, braking systems, suspension, steering, and electrical systems. Ability to diagnose and troubleshoot mechanical and electrical faults. Knowledge of preventive and corrective vehicle maintenance. Ability to use workshop tools and vehicle diagnostic equipment. Good knowledge of vehicle safety and maintenance procedures. Ability to work independently and as part of a technical team. Ability to work under pressure and respond to vehicle breakdowns promptly. Willingness to work at project sites or remote locations when required. The ideal candidate should have strong knowledge of diesel engines, transmission systems, braking systems, electrical systems, and other truck components, while ensuring vehicles remain safe, reliable, and operational. Preferred Skills: Experience working with heavy-duty trucks used in construction, oil & gas, logistics, or engineering operations. Experience with different truck brands and diesel engine systems. Knowledge of electronic vehicle diagnostic systems. Strong problem-solving and troubleshooting skills. Good communication and reporting skills. Ability to work effectively in a multicultural and multidisciplinary team. Willingness to work flexible hours when required. Key Competencies: Heavy-Duty Truck Maintenance Diesel Engine Diagnostics Mechanical Troubleshooting Preventive Maintenance Vehicle Electrical Systems Transmission & Brake Systems Equipment Inspection Technical Problem-Solving HSE Compliance Attention to Detail Teamwork & Communication Professionalism

a month ago

Earth Moving Mechanic

Maton Engineering Nigeria Limited

Delta, nigeria

full-time

Job Summary We are seeking a skilled and experienced Earth Moving Mechanic to inspect, maintain, troubleshoot, and repair heavy-duty earth-moving and construction equipment. This role is ideal for a technically competent and safety-conscious Earth Moving Mechanic who can maintain heavy equipment to a high standard, minimize equipment downtime, and ensure machinery remains safe, reliable, and operational. Key Responsibilities Inspect, service, maintain, and repair earth-moving and heavy-duty equipment. Diagnose mechanical, hydraulic, electrical, and engine-related faults. Perform preventive and corrective maintenance on heavy equipment. Repair and maintain excavators, bulldozers, wheel loaders, graders, backhoe loaders, dump trucks, and other construction equipment. Carry out routine servicing, including oil changes, lubrication, filter replacement, and fluid checks. Inspect engines, transmissions, hydraulic systems, brakes, undercarriages, and other major components. Identify equipment faults using appropriate diagnostic tools and testing procedures. Replace or repair worn, damaged, or defective mechanical components. Conduct equipment inspections and ensure machinery is safe and fit for operation. Maintain accurate records of equipment inspections, repairs, servicing, and maintenance activities. Monitor equipment performance and report major faults or maintenance requirements to supervisors. Ensure proper use and care of tools, workshop equipment, and spare parts. Maintain a clean, safe, and organized workshop and work area. Follow company HSE policies, equipment manufacturer's specifications, and applicable safety standards. Respond to equipment breakdowns and carry out repairs at project or field locations when required. Perform other duties assigned by management. Qualifications & Requirements Certificate, Trade Test, OND, HND, or equivalent qualification in Mechanical Engineering, Heavy-Duty Equipment Mechanics, Automobile Engineering, or a related field. Must have 2 - 5 years' experience as an Earth Moving Mechanic, Heavy Equipment Mechanic, or Diesel Mechanic. Proven experience maintaining and repairing heavy-duty earth-moving and construction equipment. Strong knowledge of diesel engines, hydraulic systems, transmissions, electrical systems, and mechanical components. Ability to diagnose and troubleshoot equipment faults effectively. Knowledge of preventive and corrective maintenance practices. Ability to read and interpret equipment manuals, technical drawings, and maintenance instructions. Good knowledge of workshop tools and diagnostic equipment. Strong understanding of occupational health and safety requirements. Ability to work independently and as part of a technical team. Ability to work under pressure and respond to equipment breakdowns promptly. Willingness to work at project sites and remote locations when required. The ideal candidate should have strong knowledge of diesel engines, hydraulic systems, electrical systems, and mechanical components, with the ability to ensure equipment operates safely, efficiently, and reliably. Preferred Skills: Experience working with major brands of earth-moving equipment. Experience in construction, oil & gas, dredging, marine, or heavy engineering environments. Knowledge of modern electronic and computerized equipment diagnostic systems. Ability to troubleshoot hydraulic and electrical faults. Good record-keeping and reporting skills. Strong communication and interpersonal skills. Ability to work effectively in a multicultural and multidisciplinary team. Willingness to work flexible hours and respond to emergency equipment breakdowns. Key Competencies: Heavy Equipment Maintenance & Repair Diesel Engine Diagnostics Hydraulic Systems Mechanical Troubleshooting Preventive Maintenance Electrical Fault Diagnosis Equipment Inspection Technical Problem-Solving HSE Compliance Attention to Detail Teamwork & Communication Time Management Professionalism

a month ago