Senior Software Engineer

Senior Software Engineer (12/4/25) – Tucson, Arizona, USA – Onsite

Shape the future of mining with Komatsu Mining Technology Solutions. We’re not just talking about progress and innovation – we’re making it happen. Our cutting‑edge Modular brand solutions power mines worldwide, driving efficiency and sustainability in ways that seemed impossible just years ago.

Komatsu is an indispensable partner to the construction, mining, and industrial machinery markets, maximizing value for customers through innovative solutions. With a diverse line of products supported by advanced technologies, regional distribution channels, and a global service network, we tap into the power of data and technology to enhance safety and productivity while optimizing performance. Modular Mining Systems is the global leader in mine management technology and a wholly owned subsidiary of Komatsu Ltd.

Our innovative technology powers mine operations in every corner of the globe. The products we cultivate, the solutions we engineer, and the service we deliver set us apart in the mining technology industry.

The Autonomous Haulage System (AHS) is a comprehensive fleet‑management system for mines. The autonomous trucks are centrally controlled through a wireless network that integrates on‑board vehicle controllers, high‑precision global positioning, and obstacle‑avoidance systems. The AHS Product Development team is responsible for building innovative solutions to unique and challenging autonomous‑operation problems. Working with partners around the world, you will help design and support the next generation of mine optimization technologies and build the platform that will drive future changes in the industry.

Up to 15% international travel.

• Lead the design, development, monitoring, and enhancement of services for Komatsu customers, including AHS services such as machine coordination, equipment management, navigation planning, collision detection, and safeguard management.
• Work closely with the Product Management team and engage directly with customers to understand needs and clarify product requirements.
• Understand engineering trade‑offs and make appropriate decisions on when to build new software, extend existing software, or integrate third‑party software or systems.
• Translate product requirements into a comprehensive system design, composed of logical, maintainable, extensible, scalable, and loosely‑coupled component services, and define the appropriate interfaces between these components.

• Experience building complex software systems that have been successfully delivered to customers.
• 5+ years of non‑internship professional software development experience.
• 5+ years of programming experience, with strong Java coding skills.
• 2+ years of leading design or architecture (design patterns, reliability, and scaling) of new and existing systems.
• Experience as a mentor, tech lead, or leading an engineering team.

• 5+ years of full software development life cycle experience, including coding standards, code reviews, source control management, build processes, testing, and operations.
• Experience in event‑driven microservices and REST APIs.
• Experience taking a leading role in building complex software systems that have been successfully delivered.
• Experience with network protocols, network programming, and distributed application debugging and analysis.

At Komatsu we come from diverse backgrounds, with unique perspectives, experiences, and contributions. We are committed to creating a workforce that reflects the communities we work and live in. We are authentic, ambitious, and innovative in our pursuit of Diversity & Inclusion, working together toward a sustainable future that creates value together.

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’s 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.

Komatsu is an Equal Opportunity Workplace and an Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.