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Senior QA Engineer - Cloud & Storage

MirantisWarsaw
On-site Full-time

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Experience Level

Mid to Senior

Qualifications

Experience: 7–10+ years in software testing or quality engineering, with at least 4 years in Kubernetes, storage systems, or distributed cloud-native applications. Programming & Automation: Proficient in Python and shell scripting (Bash); familiarity with Pytest and various test automation frameworks. Technical Proficiency:In-depth knowledge of Kubernetes (internals, cluster lifecycle, Helm, service meshes). Experience with storage subsystems (SAN, NAS, Object, SDS). Proficient in Linux/UNIX environments (networking, system administration, debugging). Familiarity with CI/CD tools (Jenkins, GitHub Actions) and Git. Understanding of REST APIs and observability stacks (Prometheus, Grafana, Jaeger). Soft Skills: Exceptional English communication skills (both written and verbal), demonstrated leadership in cross-functional teams, and strong problem-solving and architectural thinking abilities.

About the job

Join our dynamic team at Mirantis as a Senior QA Engineer specializing in Cloud and Storage solutions. We are on the lookout for an experienced and motivated professional who excels in cloud-native platforms and storage systems. This pivotal role requires a blend of technical expertise and leadership in test strategy, automation, and quality assurance. Your contributions will be vital in ensuring our solutions achieve unparalleled standards of reliability, scalability, and performance across various storage subsystems, distributed systems, and Kubernetes environments.

Key Responsibilities

Test Strategy & Quality Leadership

  • Design and implement comprehensive QA strategies tailored to storage, cloud-native, and distributed environments.

  • Lead risk assessments, test planning, and evaluate release readiness.

  • Set quality benchmarks, release metrics, and establish data-driven feedback mechanisms to guarantee production-grade releases.

  • Promote a quality-centric culture and influence design and architectural decisions with testing principles in mind.

Test Infrastructure & Automation

  • Create, enhance, and oversee scalable automated testing frameworks and infrastructures.

  • Design and manage testing systems for validating storage, microservices, and hybrid-cloud workloads.

  • Seamlessly integrate automation into CI/CD pipelines (e.g., Jenkins, GitHub Actions) to ensure reliability and maintainability.

  • Employ Infrastructure-as-Code methodologies to craft repeatable, extensible, and robust test environments.

Advanced Testing & Continuous Improvement

  • Conduct functional, non-functional, integration, system, performance, and failover testing.

  • Simulate production-like workloads, failure scenarios, and perform recovery testing across distributed clusters.

  • Incorporate chaos, performance, and security testing into the development lifecycle.

  • Collaborate closely with DevOps and engineering teams on monitoring, debugging, and enhancing resilience.

Mentorship & Collaboration

  • Guide junior QA engineers and developers in advanced testing methodologies and automation techniques.

  • Act as the QA authority during design reviews, incident retrospectives, and readiness assessments for production.

  • Engage with geographically dispersed teams to tackle technical challenges and drive continuous quality improvements.

About Mirantis

About MirantisMirantis stands as a pioneering Kubernetes-native AI infrastructure company, empowering organizations to develop and manage scalable, secure, and sovereign infrastructure for modern AI, machine learning, and data-intensive applications. By merging open-source innovation with extensive Kubernetes orchestration expertise, Mirantis enables platform engineering teams to deliver composable, production-ready developer platforms across diverse environments—be it on-premises, in the cloud, at the edge, or within sovereign data centers. As enterprises tackle the increasing complexity of AI-driven workloads, Mirantis provides the automation, GPU orchestration, and policy-driven control necessary for confidently and agilely managing infrastructure. With a commitment to open standards and freedom from vendor lock-in, Mirantis ensures that customers maintain full control over their infrastructure strategies. We proudly serve global leaders including Adobe, PayPal, Liberty Mutual, Splunk, and Volkswagen.

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