Field Service Welder & Machinist for Heavy Equipment

Komatsu; Mesa (AZ); On-site; USD 75,000 - 110,000; Full time

Job summary

Komatsu is seeking a Field Service Welder/Machinist to perform welding, machining, fabrication, and mechanical repair on mining and construction equipment at customer sites and company facilities. You will diagnose issues, perform precision repairs, and ensure safe, reliable operation while minimizing downtime.

The role involves frequent travel to mines and remote locations, with long hours typically 78 to 84 per week and six days per week with one day off.

Qualifications

• High school diploma or GED required or equivalent.
• Journeyman welder or machinist certification preferred.
• Experience welding carbon steel, stainless steel, and high-strength alloys.
• Proficiency in FCAW, SMAW, GMAW, and oxy-fuel cutting processes.
• Ability to read technical drawings and specifications; GD&T preferred.

Responsibilities

• Perform field and shop welding repairs on heavy mining and construction equipment.
• Conduct line boring, bore welding, shaft repair, and precision machining operations.
• Repair and rebuild buckets, blades, truck beds, frames, booms, and other structural components.
• Read and interpret blueprints and repair specs; GD&T understanding preferred.
• Operate portable machining equipment and welding gear; perform fabrication tasks.
• Maintain safety, quality, and productivity; complete service reports and timesheets.

Skills

Welding

Machining

Fabrication

Troubleshooting

Blueprint reading

Education

High School Diploma or GED

Journeyman Welder or Machinist Certification

Tools

Portable line boring equipment

Machining equipment

FCAW

SMAW

GMAW

Oxy-fuel cutting

Precision measuring tools

Job description

Komatsu is seeking a Field Service Welder/Machinist to perform welding, machining, fabrication, and mechanical repair on mining and construction equipment at customer sites and company facilities. You will diagnose issues, perform precision repairs, and ensure safe, reliable operation while minimizing downtime.

The role involves frequent travel to mines and remote locations, with long hours typically 78 to 84 per week and six days per week with one day off.