MRO Buyer

Komatsu America Corp.; Mesa (AZ); On-site; USD 65,000 - 90,000; Full time

Job summary

Komatsu America Corp. in Mesa, Arizona is seeking an experienced MRO Buyer to support the launch and ongoing success of our new distribution operation.

You will source and procure maintenance, repair, and operating materials and services, driving supplier performance and cost savings. Reporting to the Senior Manager, Parts Distribution, you will help establish procurement processes, develop supplier partnerships, and support operational readiness in a dynamic environment focused on continuous

Qualifications

• 3-5 years of experience in MRO purchasing, procurement, strategic sourcing, or supply chain operations.
• Experience with ERP and procurement systems (SAP and/or Ariba).
• Knowledge of indirect materials, supplier management, and cost drivers.
• Experience negotiating contracts, pricing, service agreements, and terms and conditions with suppliers.
• Strong analytical, research, and problem-solving skills.
• Ability to manage multiple priorities and meet deadlines in a fast-paced environment.
• Proficiency in Microsoft Office applications (Excel, Word, Outlook, PowerPoint).
• Excellent communication and relationship-building with internal and external stakeholders.

Responsibilities

• Identify and select optimal suppliers for production and maintenance needs.
• Manage the cost of assigned materials through cost reduction, price negotiation, bulk purchasing/contracting, and supply benchmarking.
• Maintain records of all transactions, purchase orders, receipts, and payments.
• Build and maintain positive, long-term supplier relations.
• Establish key performance indicators to track department effectiveness.
• Provide PO management by ensuring the closure/completeness of purchase orders.
• Initiate and manage supplier onboarding and contract management per policy and procedures.
• Alert key stakeholders in affected department(s) of changes in material availability.

Skills

Analytical skills

Communication skills

Time management

Microsoft Office

Education

Bachelor's degree in Business, Supply Chain Management, Purchasing, or related field

High school diploma or equivalent

Tools

SAP

Ariba

Job description

Requisition ID36700-Posted08/20/2026

Join Komatsu and Be Part of Something Big!

Job Overview

Komatsu is seeking an experienced MRO Buyer to support the launch and ongoing success of our new distribution operation in Mesa, Arizona. Reporting to the Senior Manager, Parts Distribution, this position is responsible for sourcing and procuring maintenance, repair, and operating (MRO) materials and services that support business operations while driving supplier performance, cost savings, and operational efficiency.

This role offers a unique opportunity to contribute to a growing operation by helping establish procurement processes, develop supplier partnerships, and support operational readiness. The ideal candidate is a proactive, results-oriented professional who thrives in a dynamic environment and enjoys identifying opportunities for continuous improvement and long-term value creation.

Key Job Responsibilities

• Identify and select optimal suppliers for production and maintenance needs
• Manage the cost of assigned materials through cost reduction, price negotiation, bulk purchasing/contracting, and supply benchmarking
• Maintain records of all transactions, purchase orders, receipts, and payments
• Build and maintain positive, long-term supplier relations
• Establish key performance indicators to track department effectiveness
• Provide PO management by ensuring the closure/completeness of purchase orders
• Initiate and manage supplier onboarding and contract management per policy and procedures
• Alert key stakeholders in affected department(s) of changes in material availability (i.e., out of stock, damaged, or missing materials)

Qualifications/Requirements

Required Qualifications

• High school diploma or equivalent required; Bachelor's degree in Business, Supply Chain Management, Purchasing, or a related field preferred.
• 3-5 years of experience in MRO purchasing, procurement, strategic sourcing, or supply chain operations.
• Experience utilizing ERP and procurement systems, preferably SAP and/or Ariba Contract Management.
• Knowledge of indirect materials categories, supplier management processes, and cost drivers.
• Experience negotiating contracts, pricing, service agreements, and terms and conditions with suppliers and service providers.
• Strong analytical, research, and problem-solving skills.
• Ability to manage multiple priorities and meet deadlines in a fast-paced environment.
• Intermediate proficiency in Microsoft Office applications, including Excel, Word, Outlook, and PowerPoint.
• Excellent communication, interpersonal, and relationship-building skills with internal and external stakeholders.
• Strong organizational and documentation skills with attention to detail.

Preferred Qualifications

• Experience applying strategic sourcing methodologies and supplier performance management practices.
• Understanding of KPI development, reporting, and performance measurement.
• Experience leading supplier initiatives and collaborating with cross-functional teams.
• Demonstrated success building and maintaining strategic supplier relationships.
• Previous experience in a manufacturing, distribution, or industrial environment.
• Proven ability to adapt and succeed in a dynamic environment, with experience helping establish or improve processes, supplier networks, and operational efficiencies.
• Ability to travel up to 5%.

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!