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Senior Automation Software Tester (MSR team)

QA / Test Engineer • Senior • Remote • Full-time • Czechia Czechia

Mirantis Secure Registry (MSR) is an enterprise-grade, Harbor-based container registry solution providing security controls for Kubernetes environments. This role leads QA strategy, test infrastructure architecture, and team mentorship across large-scale, distributed, cloud-native systems.

Responsibilities

  • ▹Lead QA strategy and test planning for Kubernetes/cloud-native environments
  • ▹Architect test frameworks and infrastructure for multi-cluster environments
  • ▹Build scalable test automation integrated with CI/CD (Jenkins, GitHub Actions)
  • ▹Mentor QA engineers and developers in advanced testing techniques
  • ▹Establish quality gates and release-readiness metrics

Requirements

  • ▹10+ years in software testing/quality engineering
  • ▹4+ years with Kubernetes, cloud-native apps and distributed systems
  • ▹Deep knowledge of Kubernetes internals, Helm, service meshes (Istio/Linkerd)
  • ▹Scripting experience in Python, Pytest, Bash
  • ▹Cloud architecture knowledge (AWS, Azure, GCP)

Nice to have

  • ▹Observability stack experience (Prometheus, Grafana, Jaeger)
  • ▹Performance testing with K6
  • ▹Advanced Linux knowledge

Soft skills

Leadership and mentorship mindsetCross-functional collaboration with DevOps engineersCommitment to quality

About the company

Mirantis builds cloud-native infrastructure solutions; MSR is built on the open-source Harbor container registry.

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