[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Komatsu jobs](https://jobs.opennash.com/companies/komatsu/) · [Search jobs](/search/) Komatsu · Mesa, AZ # QA Engineer I Mesa, Arizona, USA +3 more Operations Listed on Komatsu’s official careers site. Listed as of October 19, 2026. Check that it is still open and apply there. [Apply on Komatsu’s careers site →](https://komatsu.jobs/job/QA-Engineer-I/36863-en_US/) [OpenNash Jobs](https://jobs.opennash.com/) / [Komatsu](https://jobs.opennash.com/companies/komatsu/) / QA Engineer I ## Job description Shape the Future of Mining with Komatsu Mining Technology Solutions: At Komatsu Mining Technology Solutions, we're not just talking about progress and innovation - we're making it happen. Our cutting-edge Modular brand solutions are powering mines worldwide, driving efficiency and sustainability in ways that seemed impossible just years ago. The Company 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. We are more than a company, we’re a community of passionate, creative professionals striving toward a shared vision: to revolutionize the way the mining industry operates. With a presence stretching from Johannesburg to Vancouver, Sydney to Lima, you are part of a global brand that supports creativity, fosters innovation and encourages you to think big, share ideas and be yourself. ### Job Purpose Support the Product Development team by providing Quality Assurance with for software development, maintenance, and support. As part of Modular’s Product Development team, the Software QA Engineer will research, design, build and improve the quality of the products. Develop unit tests, automation tests, simulation tools, and Test Plans to ensure our products high quality. Analyze, decompose large software systems and design a strategy to test this system using the knowledge of System Design. Develop tools/frameworks to increase the productivity of day-to-day activities from Software and QA engineering teams using the knowledge of System Design. Perform analysis, estimating work, creating and updating software architecture and design using the knowledge of System Design. Help define and negotiate the scope of releases, suggest process improvements, as well as make recommendations for structural and technical improvements. Assist Quality Engineering team with manual software testing to ensure our products meet the highest standards of quality. Assist Software Engineering team with writing and executing tests to assess broader quality concerns. This position may be based in either Tucson or Phoenix, Arizona. Candidates residing in both locations are encouraged to apply. Travel Requirements Up to 25% ### Job Duties and Responsibilities - Participates in test planning, creating traceability to requirements, risk-based testing, estimation, and scheduling of QA efforts - Develops and maintains test cases, traceability, procedures, scripts, and test data for verifying quality of OEM Drivers - Develops and executes plans to identify, document, and mitigate technical risks Directly participates in the execution of manual and automated system test procedures for delivering reports of pass/fail results compared to quality plan Continuous monitoring and enhancement of approaches and methodologies to improve testing. ### Required Skills Bachelor's degree in Computer Engineering, Computer Science, Systems Engineering, or a related technical degree with emphasis in software Quality Assurance. - Proven knowledge in Requirements Management, Quality - Control, and Configuration Management Understanding of networking protocols, wired and wireless networking - Strong analytical and problem-solving skills - Ability to work independently and within team environment Detail oriented, excellent planning and communication skills ### Desired Skills Knowledge of Scripting Languages (PowerShell) Experience working with SQL databases 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. If you want to learn more about Komatsu, please visit our website at [https://www.komatsu.com/](https://www.komatsu.com/). 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! EEO Statement 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. ## At a glance - Posted by the employer: Not stated - First seen by OpenNash: Oct 12, 2026 - Last checked: Oct 19, 2026 - Listed for: 7 days - Location: Mesa, Arizona, USA +3 more[Apply on Komatsu’s careers site →](https://komatsu.jobs/job/QA-Engineer-I/36863-en_US/) ## More jobs at Komatsu ### [QA Engineer II](https://jobs.opennash.com/companies/komatsu/jobs/e4ac149b8a9e92d8f735/) Mesa, Arizona, USA +3 more ### [Software Architect 10202653](https://jobs.opennash.com/companies/komatsu/jobs/26efcd7d23747f18881b/) Mesa, Arizona, USA +3 more ### [Software Engineer II](https://jobs.opennash.com/companies/komatsu/jobs/c0013218995643628562/) Mesa, Arizona, USA +3 more ### [Software Engineer II 10202825](https://jobs.opennash.com/companies/komatsu/jobs/35cfc5db2d58cf9dbe83/) Mesa, Arizona, USA +3 more ### [5647 Operator - Horizontal CNC Lathe](https://jobs.opennash.com/companies/komatsu/jobs/97f736124edb411fe61c/) Milwaukee, Wisconsin, USA ## Similar jobs at other companies ### [Design Verification Engineer - NPU- Engineer to Sr. Staff Engineer](https://jobs.opennash.com/companies/qualcomm/jobs/0c1dc2a4d468781e22b8/) Qualcomm · Austin, Texas, United States of America ### [Sonar Engineer/ Acoustic Engineer](https://jobs.opennash.com/companies/lockheed-martin/jobs/83d547a9a4ef976f5770/) Lockheed Martin · Liverpool, NY ### [Electronics Engineer III, Responsible Engineer](https://jobs.opennash.com/companies/lockheed-martin/jobs/4b87971f4632d20b39c9/) Lockheed Martin · Littleton, CO ### [Sr Engineer (Systems Engineer)](https://jobs.opennash.com/companies/general-dynamics/jobs/fda6afc828d360978750/) General Dynamics · Colchester, VT, US ### [Manufacturing Engineer I (Process Engineer)](https://jobs.opennash.com/companies/airbus/jobs/3d2f8c5b91725bb44142/) AIRBUS · Mobile Area, AL OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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