Gemster international Technical services

Heavy-Duty Electrical Field Technician

Gemster international Technical services

Engineering & Technology

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Job summary

We are seeking a skilled Heavy-Duty Electrical Field Technician to join our team in Lagos, Nigeria. The successful candidate will be responsible for delivering timely, professional, and effective technical service on material handling equipment, with a strong focus on electrical systems, diagnostics, and customer support. This role co

Min Qualification: High School (S.S.C.E) Experience Level: Senior level Experience Length: 4 years Language Requirement: English Working Hours: Full Time - 8 to 5 Applicant Location: Lagos, Nigeria

Job descriptions & requirements

Responsibilities:

Technical Maintenance & Diagnostics:

  • Perform preventive and corrective maintenance on the electrical systems of Material Handling Equipment (MHE).
  • Diagnose and repair faults in electric motors, controllers, battery systems (lead-acid & lithium-ion), wiring harnesses, sensors, switches, encoders, and PLC systems.
  • Troubleshoot and service AC/DC drive systems, including electronics and control modules.
  • Diagnose and repair hydraulic, mechanical, and diesel engine systems, including basic welding where required.
  • Interpret electrical and hydraulic schematics and wiring diagrams.
  • Identify root causes of recurring faults and implement permanent corrective actions.
  • Use diagnostic tools such as multimeters, clamp meters, and laptop-based diagnostic software.


Installation, Commissioning & Field Support:

  • Install electrical components on new or refurbished equipment.
  • Perform commissioning, functional testing, calibration, and controller programming.
  • Carry out inspections on client Hyster equipment in line with manufacturer guidelines.
  • Provide direct technical support to clients through troubleshooting and technical advice — remotely or on-site.


Documentation & Reporting:

  • Complete maintenance reports, fault history, and parts-replacement records accurately and promptly.
  • Prepare and assist with documentation, timesheets, work orders, and inspection records.
  • Evaluate, assist with, and report on warranty claims.
  • Participate in breakdown analysis and preventive maintenance planning.


Customer & Team Engagement:

  • Communicate with customers regarding diagnosis and repair of field issues.
  • Develop and offer spare parts recommendations to the employer and clients.
  • Actively contribute to additional service sales opportunities.


Safety & Compliance:

  • Comply with electrical safety standards and procedures.
  • Follow Lockout/Tagout (LOTO) protocols before commencing any work.
  • Comply with OH&S policies and procedures in accordance with applicable law.
  • Ensure a safe working environment at all times.

 

Requirements:

  • Minimum of 4 years practical experience in commissioning, maintenance, fault diagnosis, and repair within the material handling industry.
  • Mechanical or Electrical Technician qualification or its equivalent (ND or equivalent).
  • Formal high school or degree-level education required.
  • Technical Trade Test Certificate II and/or III.
  • Multi-skilled engineering background with hands-on experience on heavy plant equipment and hydraulic systems.
  • Proven experience troubleshooting and repairing electrical systems on diesel, LPG, and petrol-powered equipment, warehouse equipment, and heavy-duty trucks.
  • Proven experience troubleshooting and repairing forklifts, reach stackers, empty container handlers, VNA (very narrow aisle) trucks, and general warehouse equipment.
  • Hyster Equipment Knowledge, training programs and certification (e.g., Hyster OEM software processes) is an advantage.

 

Skills & Knowledge:

  • Ability to read and interpret electrical and hydraulic schematic drawings.
  • Strong fault-finding and diagnostic skills on CANBUS systems.
  • Proficiency in diagnosis and repair of hydraulic, electrical, and mechanical systems, including diesel engines.
  • Intermediate to advanced Microsoft Office skills (Excel, Word, PowerPoint, Outlook).
  • Excellent customer relationship management skills.
  • Strong time management and administrative skills.
  • People management and development skills.
  • Excellent written and verbal English communication skills.
  • Strong interpersonal skills, with the ability to engage all business stakeholders.

 

Competencies:

  • Customer-oriented mindset
  • Strong team player
  • Ability to motivate and inspire others
  • Excellent work ethic and leadership qualities
  • Openness to continuous training and development

 

 


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