Senior Automation Software Tester

This is a fully remote position, open to applicants in Czechia.

📋 Description

• Play a key role in shaping the overall QA strategy for Mirantis Secure Registry, Kubernetes, and cloud-native environments, ensuring alignment of quality objectives with business goals and release timelines.

• Assess and advocate for top-tier testing methodologies and frameworks tailored for distributed systems.

• Lead risk assessment and test planning for extensive, multi-cloud registries, infrastructure, and container orchestration.

• Design test frameworks and infrastructure to validate microservices and infrastructure components within multi-cluster and hybrid-cloud settings.

• Supervise the creation of intricate test scenarios that mimic production-like workloads, resource scaling, failure injection, and recovery across distributed clusters.

• Drive the development of scalable and maintainable test automation that integrates seamlessly with CI/CD pipelines (Jenkins, GitHub Actions, etc.).

• Utilize Kubernetes APIs, Helm, and service mesh tools to establish comprehensive automation coverage, addressing system health, failover behavior, and network resilience.

• Advocate for infrastructure-as-code practices and propel IaC initiatives within the team to ensure the infrastructure code is repeatable, extensible, and dependable.

• Guide QA engineers and developers in advanced testing methodologies, including risk-based testing, chaos engineering, performance, and load testing.

• Act as the QA subject matter expert during design reviews, production readiness assessments, and incident retrospectives (for escaped defects).

• Collaborate with DevOps engineers to enhance monitoring, alerting, and debugging strategies for testing automation executed in CI/CD.

• Set up quality gates, release readiness metrics, and data-driven feedback loops to guarantee that released software meets production standards.

• Lead efforts to incorporate performance, security, and chaos testing into the development lifecycle.

• Champion a culture of quality across teams and impact architectural decisions with testing considerations.

⛳️ Requirements

• Bachelor's or Master's degree in Computer Science, Engineering, or a related discipline.

• Over 10 years of experience in software testing or quality engineering roles, with a minimum of 4 years dedicated to Kubernetes, cloud-native applications, and distributed systems.

• Demonstrated leadership in developing and scaling test strategies within enterprise-grade environments.

• Profound understanding of Kubernetes internals, cluster lifecycle management, Helm, service meshes (e.g., Istio or Linkerd), and network policies.

• Strong skills in scripting and automation (Python, Pytest, Bash, etc.).

• Familiarity with observability stacks (Prometheus, Grafana, Jaeger), Kubernetes security (RBAC, secrets management), and performance benchmarking tools (e.g., K6).

• Solid foundation in cloud architecture (AWS, Azure, GCP), infrastructure provisioning, and containerized CI/CD.

• Moderate to advanced proficiency in Linux: Bash scripting and debugging, systemd/logs, networking/firewalling/routing, certificate/PKI management, containers (Docker/containerd), and Kubernetes tooling (kubectl/Helm with OCI registries, GitOps/Flux) for installing, testing, and troubleshooting multi-cluster environments.

• Outstanding problem-solving abilities and architectural insight.

• Experience in influencing cross-functional teams and senior leadership.

• Excellent verbal and written communication skills suitable for both technical and executive-level audiences.

• Experience mentoring and coaching junior team members, particularly in testing fundamentals, troubleshooting, and automation.

• Contributions to open-source Kubernetes or QA tooling projects are preferred.

• Experience with chaos engineering in Kubernetes environments is preferred.

• Relevant certifications such as CKA, CKAD, or AWS Certified DevOps Engineer are preferred.

🏝️ Benefits

• Engage in a global, collaborative, remote-first culture that values initiative and execution.

• Play a crucial role in defining the next phase of cloud and AI modernization.

• Manage high-impact enterprise accounts with significant growth opportunities.

• Collaborate with exceptionally skilled, passionate colleagues, assisting Fortune 500 and Global 2000 clients in adopting next-generation cloud technologies.

• Be part of innovative, cutting-edge open-source projects.

• Flourish in the dynamic atmosphere of a young company that prioritizes openness, collaboration, risk-taking, and continuous growth.

• Access to professional development and training opportunities.

• Attend conferences and working groups.

• Enjoy a customized workstation (macOS, Windows).

• Receive competitive compensation, performance incentives, and opportunities for career advancement.