Underground Maintenance Worker
こうないほしゅいん
Industry & Occupation
Classification
Summary
A job that performs maintenance, inspection, and repair of machinery, electrical systems, ventilation, drainage, etc., in underground mine shafts and related equipment, supporting safe operations.
Description
Underground maintenance workers handle the inspection, maintenance, and repair of mechanical and electrical equipment such as conveyors, ventilation fans, pumps, electrical wiring, and drainage systems in underground facilities like mines and tunnels. Using specialized tools in narrow, high-temperature, and humid underground environments, they identify faults, perform repairs, replace parts, and conduct lubrication tasks. They also engage in daily safety management and risk assessments. Team coordination and compliance with mining regulations are essential, and in emergencies, they operate rescue equipment and fire suppression systems.
Future Outlook
While domestic mine operations are on a declining trend, demand for underground maintenance skills is expected to remain stable at a certain level due to aging countermeasures and new developments in tunnels and underground infrastructure.
Personality Traits
Cautious / Good team player / Physically fit / Sharp observation skills / Strong sense of responsibility
Work Style
On-site work / Shift work / Subcontracting / Underground work
Career Path
Underground Worker → Equipment Maintenance Engineer → Mine Safety Supervisor → Maintenance Manager → Mining Engineer
Required Skills
Basic Knowledge of Electrical Equipment / Lubrication / Mechanical Equipment Maintenance / Safety Management / Welding Skills
Recommended Skills
Basic Electrical Control / CAD Drawing Interpretation / Piping and Pump Knowledge / Reading English Technical Documents
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Adaptability | Because flexibility is needed to respond to changes in the underground environment. |
| Attention to Detail & Accuracy | Attention to detail is required to not miss small abnormalities. |
| Physical Stamina & Endurance | Because sustained physical strength is required for long hours of heavy labor in harsh conditions. |
| Problem Solving | To identify fault causes and take appropriate action. |
| Stress Tolerance | Due to high stress in confined spaces and heavy labor environments. |
| Collaboration & Teamwork | Team coordination is essential for ensuring safety. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | Because work follows prescribed procedures. |
| Numerical & Quantitative Analysis | Because advanced mathematical analysis is usually not required. |
Related Qualifications
- Aerial Work Platform Operation Skills Training
- Completion of Mine Safety Training
- Forklift Operation Skills Training
Related Jobs
- Equipment Maintainer
- Mine Worker
- Mining Engineer
- Underground Worker