QA automationDevops engineer for MKE4K

Mirantis; A distancia; EUR 70.000 - 90.000; Jornada completa

Descripción de la vacante

A leading cloud infrastructure company based in Barcelona seeks a Senior QA Engineer to drive quality strategies for Kubernetes applications. Candidates should have over 10 years of quality engineering experience, preferably in cloud-native environments. This full-time role offers a vibrant work culture with opportunities for professional development and a competitive compensation package. Remote work is available, ensuring flexibility in a dynamic setting.

Servicios

Competitive compensation package

Professional development and training

Company outings and hackathons

Formación

• 10 years in software testing or quality engineering roles focusing on Kubernetes cloud-native applications and distributed systems.
• Proven leadership in building scalable test strategies in enterprise-grade environments.
• Deep understanding of Kubernetes internals and cluster lifecycle management.

Responsabilidades

• Contribute to driving the overall QA strategy for Kubernetes.
• Architect test frameworks for validating microservices in hybrid-cloud environments.
• Spearhead development of scalable automation integrated with CI/CD.

Conocimientos

Continuous Integration

APIs

Test Automation

Selenium

Distributed Control Systems

Java

Educación

Bachelor's or Master’s degree in Computer Science, Engineering or a related field

Herramientas

Kubernetes

Python

Helm

Prometheus

Grafana

Descripción del empleo

Mirantis Kubernetes Engine (MKE) 4k is an evolution of the industry‑leading enterprise container platform redesigned with open source k0s Kubernetes at the core and fully composable architecture to deliver the highest levels of security, stability and performance for your specific use case and deployment requirements.

Testing Strategy & Leadership

• Contribute to driving the overall QA strategy for Kubernetes and cloud‑native environments, aligning quality goals with business objectives and release deadlines.
• Evaluate and champion best‑in‑class testing practices and frameworks for distributed systems.
• Lead risk analysis and test planning for large‑scale multi‑cloud infrastructure and container orchestration.

Architecting Test Systems

• Architect test frameworks and infrastructure for validating microservices and infrastructure components in multi‑cluster and hybrid‑cloud environments.
• Oversee the design of complex test scenarios simulating production‑like workloads, resource scaling, failure injection and recovery across distributed clusters.

Automation & Scalability

• Spearhead the development of scalable and maintainable test automation integrated with CI/CD (Jenkins, GitHub Actions, etc.).
• Leverage Kubernetes APIs, Helm and service mesh tools to build comprehensive automation coverage including system health, failover behavior and network resilience.
• Promote test infrastructure‑as‑code and drive IaC forward on the team, ensuring the infrastructure code is repeatable, extensible and reliable.

Mentorship & Technical Influence

• Mentor QA engineers and developers in advanced testing techniques such as risk‑based testing, chaos engineering, performance and load testing, etc.
• Serve as the QA authority in design reviews, production readiness assessments and incident retrospectives (escaped defects).
• Collaborate with DevOps engineers to refine monitoring, alerting and debugging strategies for testing automation running in CI/CD.

Quality Advocacy & Continuous Improvement

• Establish quality gates, release readiness metrics and data‑driven feedback loops to ensure released software is production quality.
• Drive initiatives to integrate performance, security and chaos testing into the development lifecycle.
• Advocate for a culture of quality across teams and influence architecture decisions with testing in mind.

Qualifications

Education

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

Experience

• 10 years in software testing or quality engineering roles with 4 years focused on Kubernetes cloud‑native applications and distributed systems.
• Proven leadership experience in building and scaling test strategies in enterprise‑grade environments.

Technical Proficiency

• Deep understanding of Kubernetes internals, cluster lifecycle management, Helm, service meshes (e.g. Istio or Linkerd) and network policies.
• Strong scripting and automation capabilities (Python, Pytest, Bash, etc.).
• Familiarity with observability stacks (Prometheus, Grafana, Jaeger), Kubernetes security (RBAC, secrets management) and performance benchmarking tools (e.g. K6).
• Solid grounding in cloud architecture (AWS, Azure, GCP), infrastructure provisioning and containerized CI/CD.
• Moderate to advanced Linux knowledge and proficiency in Bash scripting, systemd, logs, networking, firewalling, routing, certificate/PKI management, Docker/containerd, and Kubernetes tooling (kubectl, Helm with OCI registries, GitOps/Flux).

Leadership & Collaboration

• Exceptional problem‑solving and architectural thinking.
• Experience influencing cross‑functional teams and senior leadership.
• Excellent verbal and written communication skills for technical and executive‑level audiences.
• Mentorship and coaching of one or more junior members on the team, especially around testing fundamentals, troubleshooting and automation.

Preferred Extras

• Contributions to open‑source Kubernetes or QA tooling projects.
• Experience implementing chaos engineering in Kubernetes environments.
• Certifications such as CKA, CKAD or AWS Certified DevOps Engineer.

Additional Information

What does Mirantis offer you

• Work with an established Silicon Valley leader in the cloud infrastructure industry.
• Collaborate with passionate, talented and engaging colleagues helping Fortune 500 and Global 2000 customers implement next‑generation cloud technologies.
• Be part of cutting‑edge open‑source innovation.
• Thrive in the high‑energy environment of a young company where openness, collaboration, risk‑taking and continuous growth are valued.
• Professional development and training.
• Attend conferences and working groups.
• Company outings, happy hours, hackathons and tech talks.
• Receive a competitive compensation package with a strong benefits plan.

Remote Work

Yes

Employment Type

Full‑time

Key Skills

• Continuous Integration
• APIs
• Automotive software
• Test Cases
• Electrical Engineering
• Junit
• Distributed Control Systems
• Testng
• Java
• Test Automation
• Programmable Logic Controllers
• Selenium

Department / Functional Area

Engineering

Vacancy

1

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