QA Engineer II
Komatsu Silicon America· Sep 15, 2026 · 1mo ago
AZ
In office
Full-time
Mid
$115K–$166K est.
3+ years exp
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
Applies System Engineering specialties of requirements management, quality control, and configuration management on product development projects.
This position may be based in either Tucson or Phoenix, Arizona. Candidates residing in both locations are encouraged to apply.
Travel Requirements
Up to 10%.
Job Duties and Responsibilities
• Leads and 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 OEM Driver testing.
• Provides leadership, knowledge, guidance, and mentoring on Quality Assurance principles and practice.
Required Skills
• Bachelor's degree in Computer Engineering, Computer Science, Systems Engineering, or a related technical degree with emphasis in software Quality Assurance.
• 3+ years of proven experience in software testing
• Proven knowledge in Requirements Management, Quality Control, and Configuration Management
• Experience with lab and field test instrumentation and automation, including client/server and embedded technology configurations
• 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
• Proficiency in applying principles and practices from International Software Testing Quality Board (ISTQB/ASTQB), certifications a strong plus
• Knowledge of Scripting Languages (Perl, Python or equivalent)
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 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.
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