Senior Automation Software Tester

🕒 August 17

🇨🇿 Czechia – Remote

⏰ Full Time

🟠 Senior

🔧 QA Engineer (Quality Assurance)

👻 Ghost score 23%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Mirantis

WebsiteLinkedInAll Job Openings

501 - 1000 employees

💼 Consulting

🏥 Healthcare

📦 Logistics

Consulting • Healthcare • Logistics

Mirantis is a company that specializes in container management and cloud infrastructure solutions. It offers a range of products, including Mirantis Kubernetes Engine (MKE), Mirantis OpenStack for Kubernetes (MOSK), and Mirantis Container Cloud (MCC), which provide enterprise-level Kubernetes and container management platforms. Mirantis also develops tools for secure software supply chains, such as the Mirantis Container Runtime (MCR) and Mirantis Secure Registry (MSR). As an advocate for open source technologies, Mirantis supports various projects and provides resources like Lens Desktop, a popular Kubernetes IDE, and technical support for enterprises adopting cloud-native technologies. Their solutions cater to sectors such as public services, financial services, and broader SaaS and technology services industries.

📋 Description

• Contribute to the overall QA strategy for Mirantis Secure Registry, Kubernetes, and cloud-native environments • Evaluate and champion testing practices and frameworks for distributed systems • Lead risk analysis and test planning for multi-cloud registry, infrastructure, and container orchestration • Architect test frameworks and infrastructure for microservices and infrastructure components • Design complex test scenarios for production-like workloads, scaling, failure injection, and recovery across distributed clusters • Develop scalable, maintainable test automation integrated with CI/CD • Use Kubernetes APIs, Helm, and service mesh tools to build automation coverage for health, failover, and network resilience • Promote repeatable, extensible, and reliable infrastructure-as-code • Mentor QA engineers and developers in risk-based testing, chaos engineering, performance testing, and load testing • Serve as QA authority in design reviews, production readiness assessments, and incident retrospectives • Collaborate with DevOps engineers on monitoring, alerting, and debugging strategies for CI/CD test automation • Establish quality gates, release readiness metrics, and data-driven feedback loops • Integrate performance, security, and chaos testing into the development lifecycle • Advocate for quality across teams and influence architecture decisions

🎯 Requirements

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field • 10+ years in software testing or quality engineering roles • 4+ years focused on Kubernetes, cloud-native applications, and distributed systems • Proven leadership experience building and scaling test strategies in enterprise-grade environments • Deep understanding of Kubernetes internals, cluster lifecycle management, Helm, service meshes, and network policies • Strong scripting and automation capabilities with Python, Pytest, and Bash • Familiarity with Prometheus, Grafana, Jaeger, Kubernetes security, and performance benchmarking tools such as K6 • Solid grounding in AWS, Azure, GCP, infrastructure provisioning, and containerized CI/CD • Moderate to advanced Linux knowledge • Experience with Bash scripting and debugging, systemd/logs, networking, firewalling, routing, certificate/PKI management, Docker/containerd, kubectl, Helm, OCI registries, and GitOps/Flux • Exceptional problem-solving and architectural thinking • Experience influencing cross-functional teams and senior leadership • Excellent verbal and written communication skills • Mentorship and coaching of 1 or more junior team members • Contributions to open-source Kubernetes or QA tooling projects are preferred • Experience implementing chaos engineering in Kubernetes environments is preferred • CKA, CKAD, or AWS Certified DevOps Engineer certifications are preferred

🏖️ Benefits

• Global, collaborative, remote-first culture • Professional development and training • Conference and working group attendance • Customized workstation (macOS, Windows) • Competitive compensation • Performance incentives • Opportunities for advancement • Opportunity to work with open-source innovation • Collaborative environment with passionate colleagues • Continuous growth opportunities