Mirantis is HIRING A

Senior QA Engineer – Cloud & Storage

📍 Poland , Warsaw 🌐 On-SiteFull Time

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POSTED December 1, 2025

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About Mirantis

Mirantis is the Kubernetes-native AI infrastructure company, enabling organizations to build and operate scalable, secure, and sovereign infrastructure for modern AI, machine learning, and data-intensive applications. By combining open source innovation with deep expertise in Kubernetes orchestration, Mirantis empowers platform engineering teams to deliver composable, production-ready developer platforms across any environment—on-premises, in the cloud, at the edge, or in sovereign data centers. As enterprises navigate the growing complexity of AI-driven workloads, Mirantis delivers the automation, GPU orchestration, and policy-driven control needed to manage infrastructure with confidence and agility. Committed to open standards and freedom from lock-in, Mirantis ensures that customers retain full control of their infrastructure strategy.

www.mirantis.com.

Job Description

We are seeking a highly skilled and motivated Senior/Lead QA Engineer with expertise in both cloud-native platforms and storage systems. This role combines deep technical proficiency with leadership in test strategy, automation, and quality advocacy. You will play a key part in ensuring our solutions meet the highest standards of reliability, scalability, and performance across storage subsystems, distributed systems, and Kubernetes-based environments.

Key Responsibilities

Test Strategy & Quality Leadership

  • Define and drive QA strategies across storage, cloud-native, and distributed environments.
  • Lead risk analysis, test planning, and release readiness assessments.
  • Establish quality gates, release metrics, and data-driven feedback loops to ensure production-grade releases.
  • Advocate for a culture of quality and influence design and architecture decisions with testing in mind.

Define and drive QA strategies across storage, cloud-native, and distributed environments.

Lead risk analysis, test planning, and release readiness assessments.

Establish quality gates, release metrics, and data-driven feedback loops to ensure production-grade releases.

Advocate for a culture of quality and influence design and architecture decisions with testing in mind.

Test Infrastructure & Automation

  • Develop, improve, and maintain scalable automated testing frameworks and infrastructure.
  • Architect and manage test systems for validating storage, microservices, and hybrid-cloud workloads.
  • Integrate automation into CI/CD pipelines (e.g., Jenkins, GitHub Actions), ensuring reliability and maintainability.
  • Apply Infrastructure-as-Code practices to create repeatable, extensible, and resilient test environments.

Develop, improve, and maintain scalable automated testing frameworks and infrastructure.

Architect and manage test systems for validating storage, microservices, and hybrid-cloud workloads.

Integrate automation into CI/CD pipelines (e.g., Jenkins, GitHub Actions), ensuring reliability and maintainability.

Apply Infrastructure-as-Code practices to create repeatable, extensible, and resilient test environments.

Advanced Testing & Continuous Improvement

  • Execute functional, non-functional, integration, system, performance, and failover testing.
  • Simulate production-like workloads, failure scenarios, and recovery testing across distributed clusters.
  • Integrate chaos, performance, and security testing into the development lifecycle.
  • Collaborate with DevOps and engineering teams on monitoring, debugging, and improving resilience.

Execute functional, non-functional, integration, system, performance, and failover testing.

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

Integrate chaos, performance, and security testing into the development lifecycle.

Collaborate with DevOps and engineering teams on monitoring, debugging, and improving resilience.

Mentorship & Collaboration

  • Mentor junior QA engineers and developers in advanced testing techniques and automation practices.
  • Serve as the QA authority in design reviews, incident retrospectives, and production readiness assessments.
  • Work with geographically distributed teams on technical challenges and continuous quality improvements.

Mentor junior QA engineers and developers in advanced testing techniques and automation practices.

Serve as the QA authority in design reviews, incident retrospectives, and production readiness assessments.

Work with geographically distributed teams on technical challenges and continuous quality improvements.

Qualifications

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

Experience: 7–10+ years in software testing or quality engineering, with 4+ years in Kubernetes, storage systems, or distributed cloud-native applications.

Technical Proficiency:

Kubernetes (internals, cluster lifecycle, Helm, service meshes).

Storage subsystems (SAN, NAS, Object, SDS).

Linux/UNIX environments (networking, system administration, debugging).

CI/CD tools (Jenkins, GitHub Actions) and Git.

Preferred Extras

  • Experience with OpenStack and public cloud providers (AWS, Azure, GCP).
  • Contributions to open-source QA or Kubernetes projects.
  • Familiarity with chaos engineering and performance benchmarking tools (e.g., K6).
  • Relevant certifications (CKA, CKAD, AWS DevOps Engineer)

Experience with OpenStack and public cloud providers (AWS, Azure, GCP).

Contributions to open-source QA or Kubernetes projects.

Familiarity with chaos engineering and performance benchmarking tools (e.g., K6).

Relevant certifications (CKA, CKAD, AWS DevOps Engineer)

Additional Information

What does Mirantis offer you?

It is understood that Mirantis, Inc. may use automated decision-making technology (ADMT) for specific employment-related decisions. Opting out of ADMT use is requested for decisions about evaluation and review connected with the specific employment decision for the position applied for. You also have the right to appeal any decisions made by ADMT by sending your request to isamoylova@mirantis.com

By submitting your resume, you consent to the processing and storage of your personal data in accordance with applicable data protection laws, for the purposes of considering your application for current and future job opportunities.

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Please mention you found this job on TestDev Jobs. It helps us get more people to hire on our site. Thanks and good luck!