Field Service Welder

Field Service Welder


Posting Start Date: 6/8/26


Job Location (Short): Mesa, Arizona, USA, 85210-6105 | Chandler, Arizona, USA, 85249


Requisition ID: 36043


Onsite or Remote: Onsite Position


Join Komatsu and Be Part of Something Big!

Job Overview

Komatsu is seeking an experienced Field Service Welder to support open-pit mining operations, with a strong focus on electric mining shovels and large gear case components . In this role you'll do a lot of 3G and 4G welding, field machining and line boring at customer sites across AZ, NM, and CA.


This role is ideal for technicians who have worked on shovels or drills (preferred but not required), millwright (ball mills, crushers) or gear case-focused technicians who enjoys hands-on work in the field and wants to work on some of the largest equipment in the industry.

If you're looking for a job where you're on the road, this could be a great fit!


What You'll Do

• Perform field service maintenance and repairs on electric mining shovels , primarily in open-pit mine environments
• Change and rebuild major shovel components , including large gear cases
• Diagnose mechanical issues and troubleshoot complex equipment systems
• Work closely with mine site teams to ensure equipment uptime and safe operation
• Travel extensively to mine sites (AZ mostly, some NM and CA)
• Work hours are typically 12 hours daily, and a 6-day-on schedule in the field

Key Job Responsibilities

• Primary focus on a safe work environment and employing safe work practices on a consistent basis.
• Lay out and perform complex repairs with a high level of accuracy and quality.
• Assess equipment repair needs and develop repair processes.
• Troubleshoot, maintain, and perform minor and major repairs to all assigned equipment.

Qualifications/Requirements

• 3+ years' of welding experience
• Able to pass a 3G and 4G 4/16" wire test
• Willing to travel 6 days a week
• Clean driving record
• Ability to use all varieties of precision measuring instruments.

Additional Information

Diversity & Inclusion Commitment

At Komatsu we come from diverse backgrounds, with unique perspectives, experiences, and contributions. We are committed to creating a workforce that is reflective of the communities we work and live in. We believe that our people are part of our shared purpose. We are authentic, ambitious, and innovative in our pursuit of Diversity & Inclusion. United, we are on a journey towards a sustainable future that creates value together.


Company Information

Komatsu is a world leader in manufacturing construction, mining, forestry, and industrial heavy equipment. Founded in 1921, Komatsu has a long history of quality, reliability, innovation, and excellence. Headquartered in Tokyo, Japan, Komatsu facilities, distributors and dealers are in more than 140 countries and employ more than 60,000 people. Komatsu offers a diverse and challenging work environment, where you can grow your skills and career, and contribute to a sustainable, clean-energy future. If you are looking for a company that values your talent and potential, be a part of something big and join a team that is shaping the world!


If you want to learn more about Komatsu, please visit our website at .