Overview
Quality Assurance Engineer III – Autonomous Haulage System (AHS). Location: Recife, BRA (hybrid). The Autonomous Haulage System is a comprehensive fleet management system for mines where autonomous trucks are centrally controlled through a wireless network that integrates on-board controllers, high-precision positioning, and obstacle avoidance systems. The AHS Product Development team designs and supports the next generation of mine optimization technologies and platforms that will drive the mining industry forward.
The Company: Moduler Mining Systems is a global leader in mine management technology and a subsidiary of Komatsu Ltd. The organization aims to revolutionize how the mining industry operates with a global presence and a culture that values creativity, innovation, and impact.
Responsibilities
* Maintain deep understanding of AHS architecture, dependencies, and safety constraints; translate this knowledge into risk-based test plans and automated coverage.
* Partner with product and engineering teams to extract, refine, and document functional and non-functional requirements; ensure each requirement has measurable acceptance criteria and automated validation.
* Own the end-to-end quality strategy—including functional, performance, security, and cross-functional initiatives—leveraging service virtualization, contract testing, and containerized environments to maximize parallel execution in CI/CD.
* Design, implement, and continuously enhance robust automation frameworks. Integrate tests into CI/CD pipelines with infrastructure as code provisioning.
* Drive a shift-left culture: embed test hooks at design time, manage test data versioning, and maintain high-signal regression suites that execute on every merge.
* Lead execution of manual edge-case and exploratory tests; automate remaining tests. Publish dashboards for pass/fail trends, defect escape rate, and MTTR; use metrics to guide continuous improvement.
* Facilitate blameless postmortems, identify systemic issues, and translate findings into preventative automated checks.
* Oversee compatibility matrices and deployment configurations; support field teams during installation, configuration, and on-site validation.
* Mentor engineers, champion coding standards for test development, and pilot new tools or methodologies to increase team productivity and product quality. Coordinate cross-functional initiatives to mature quality practices enterprise-wide.
* Be able to occasionally travel internationally.
Basic Qualifications
* Bachelor’s degree in computer science, software/systems engineering, or related discipline (Master’s a plus).
* 6+ years combined experience in software/systems testing, with 4+ years focused on building and scaling test automation.
* Ability to take a project from scoping requirements to production operations.
* Leadership in defining comprehensive test strategies for complex, distributed or real-time systems.
* Proficient in at least one modern programming language used for automation (Java, Python, or C#); strong REST/gRPC API and UI automation experience.
* Hands-on experience with CI/CD, containerization, and infrastructure-as-code for on-demand test environments.
* Ability to mentor, influence, and up-level QA and development teams.
* Excellent analytical, documentation, and cross-functional communication skills.
* Ability to travel for up to 10% of the time.
Preferred Qualifications
* 5+ years of full software development lifecycle experience, including coding standards, code reviews, source control management, build processes, testing, and operations experience.
* Experience in event-driven microservices and REST APIs.
* Experience with network protocols, network programming, and distributed application debugging and analysis.
* Excellence in technical communication with peers and non-technical cohorts.
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