Senior Automation Software Tester

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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 large-scale, multi-cloud registry, infrastructure, and container orchestration • Architect test frameworks and infrastructure for microservices and infrastructure components in multi-cluster and hybrid-cloud environments • Design complex test scenarios simulating production workloads, scaling, failure injection, and recovery across distributed clusters • Develop scalable, maintainable test automation integrated with CI/CD systems such as Jenkins and GitHub Actions • Use Kubernetes APIs, Helm, and service mesh tools to build automation coverage for system health, failover, and network resilience • Promote repeatable, extensible, and reliable infrastructure-as-code test infrastructure • Mentor QA engineers and developers in risk-based, chaos, performance, 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 culture and influence architecture decisions with testing considerations

🎯 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, RBAC, secrets management, and K6 • Grounding in AWS, Azure, GCP, infrastructure provisioning, and containerized CI/CD • Moderate to advanced Linux knowledge and proficiency • Bash scripting and debugging; systemd/logs; networking, firewalling, and routing • Certificate/PKI management; Docker/containerd; kubectl/Helm with OCI registries; 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

• Work in a global, collaborative, remote-first culture • Professional development and training • Attend conferences and working groups • Customized workstation (macOS, Windows) • Competitive compensation • Performance incentives • Opportunities for advancement • Open-source innovation environment • Continuous growth opportunities