Field Technician

Komatsu; Tucson (AZ); On-site; USD 55,000 - 75,000; Full time

Job summary

Komatsu is looking for an experienced field service technician based in Tucson, Arizona, to support open-pit mining operations. This role involves working on mining haul trucks, bulldozers, excavators, and more, making it ideal for those who enjoy being in the field.

The successful candidate will be responsible for troubleshooting and repairing heavy equipment, prioritizing safety, and maintaining efficient work habits. A minimum of 2 years of relevant experience is required.

Qualifications

• 2+ years of experience maintaining mining equipment, preferably with mining haul trucks, bulldozers, or excavators.
• Ability to read prints and complete repairs to OEM specifications.
• Strong troubleshooting skills in hydraulics, low-voltage electrical, and mechanical systems.

Responsibilities

• Prioritize a safe work environment and consistent safe work practices.
• Perform complex, high-accuracy repairs and determine appropriate repair methods.
• Troubleshoot, maintain, and complete all levels of equipment repairs.

Skills

Troubleshooting skills in hydraulics

Low-voltage electrical skills

Mechanical systems knowledge

Proficiency with precision measuring instruments

Education

Completion of an accredited apprenticeship or technical college program

Job description

Job Overview

Komatsu is seeking an experienced field service technician to support open‑pit mining operations in southern Arizona. This Tucson‑based role is ideal for technicians who have worked on mining haul trucks, bulldozers, excavators, shovels or drills. If you enjoy being in the field working on some of the largest equipment in the industry, this could be a great fit!

Key Job Responsibilities

• Prioritize a safe work environment and consistent safe work practices.
• Experienced with Tier 4 engines preferred.
• Perform complex, high‑accuracy repairs and determine appropriate repair methods.
• Troubleshoot, maintain, and complete all levels of equipment repairs.
• Work effectively within a diverse team.
• Maintain efficient, productive work habits to meet billable rate goals.
• Minimize material loss and spoilage.
• Inspect tooling and PPE regularly.
• Communicate potential issues (materials, tooling, labor, quality, EHS, permitting, etc.) to leadership.
• Share relevant customer or vendor feedback.
• Maintain top technical competency and assist service crews as needed.

Qualifications / Requirements

• 2+ years of experience maintaining mining equipment (mining haul trucks, bulldozers, excavators, shovels, drills, or loaders preferred).
• Ability to read prints and complete repairs to OEM specifications.
• Strong troubleshooting skills in hydraulics, low‑voltage electrical, and mechanical systems.
• Proficient with precision measuring instruments.
• Completion of an accredited apprenticeship or 1 year technical college program is a plus.