Mirantis

Senior QA Engineer (L4)

Mirantis
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4 days ago
Remote, United StatesStaff+

Responsibilities

  • Drive QA strategy for Kubernetes and cloud-native environments in alignment with business objectives and release deadlines.
  • Lead risk analysis, test planning, and release-readiness metrics for large-scale, multi-cloud infrastructure and container orchestration.
  • Architect test frameworks and infrastructure for microservices and infrastructure components across multi-cluster and hybrid-cloud environments.
  • Design complex test scenarios covering production-like workloads, scaling, failure injection, recovery, system health, failover, and network resilience.
  • Develop scalable test automation integrated with Jenkins, GitHub Actions, Kubernetes APIs, Helm, and service mesh tools.
  • Promote repeatable and extensible infrastructure-as-code for test infrastructure.
  • Mentor QA engineers and developers in risk-based, chaos, performance, and load testing.
  • Serve as the QA authority in design reviews, production-readiness assessments, and incident retrospectives.
  • Collaborate with development and DevOps engineers on monitoring, alerting, and debugging strategies for CI/CD test automation.
  • Establish quality gates and data-driven feedback loops, and integrate performance, security, and chaos testing into the development lifecycle.

Requirements

  • Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
  • 10+ years of experience in software testing or quality engineering, including 4+ years focused on Kubernetes, cloud-native applications, and distributed systems.
  • Leadership experience building and scaling test strategies in enterprise-grade environments.
  • Deep understanding of Kubernetes internals, cluster lifecycle management, Helm, service meshes such as Istio or Linkerd, and network policies.
  • Strong scripting and automation skills with Python, Pytest, Bash, and related tools.
  • Familiarity with Prometheus, Grafana, Jaeger, Kubernetes security including RBAC and secrets management, and performance benchmarking tools such as K6.
  • Knowledge of AWS, Azure, GCP, infrastructure provisioning, containerized CI/CD, Linux administration, networking, firewalling, routing, certificate and PKI management, Docker or containerd, kubectl, Helm with OCI registries, and GitOps or Flux.
  • Experience influencing cross-functional teams and senior leadership, with strong technical and executive-level communication skills.
  • Mentorship and coaching experience with at least one junior team member.
  • Preferred qualifications include contributions to open-source Kubernetes or QA tooling, Kubernetes chaos-engineering experience, and certifications such as CKA, CKAD, or AWS Certified DevOps Engineer.

Benefits

  • Professional development and training.
  • Opportunities to attend conferences and working groups.
  • Company outings, happy hours, hackathons, and tech talks.
  • Work with passionate colleagues and Fortune 500 and Global 2000 customers on open-source cloud infrastructure innovation.
  • Competitive compensation package with a strong benefits plan.

Tech Stack

AWSAzureBashDockerGitHub ActionsGoogle Cloud PlatformGrafanaHelmIstioJenkinsKubernetesLinuxPrometheuspytestPython

Categories

Mirantis

About Mirantis

501-1,000 employees

Mirantis builds Kubernetes-native infrastructure software and services for enterprises to run cloud, container, and AI workloads across on-premises, public cloud, and edge environments. It sells subscriptions, support, and managed services around products like Mirantis Kubernetes Engine and the Lens Kubernetes platform; the company acquired Docker Enterprise in 2019. Founded in 1999 and headquartered in Campbell, California, Mirantis is privately held and an IREN company serving global enterprises.

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