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Open nowPosted 13 hours ago

Kubernetes Platform Engineer

OpenNebula Systems6 open roles

Where
Pozuelo de Alarcón, Spain
Work mode
Remote
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Your applicationOpen nowKubernetes Platform EngineerOpenNebula Systems · Pozuelo de Alarcón, Spain

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  5. 33.9%30 days
This job: posted 13 hours ago

The posting

For over a decade now, OpenNebula Systems has been building the open source technology that helps organizations around the world to manage their corporate data centers and build Enterprise Clouds with unique, innovative features.

Born back in the day as an open source platform for Private Clouds, OpenNebula is a powerful, but easy-to-use, open source Cloud & Edge Computing Platform whose community includes nowadays leading companies and public agencies in a wide range of industry niches and countries.

If you want to join an established leader in the cloud infrastructure industry and the global open source community, keep reading, because you can now join exceptionally passionate, talented colleagues, and help world´s leading enterprises implement their next-generation edge and cloud strategies. We are hiring!

Come join us in our distributed, fully-remote, international team, where we promote Creativity, Innovation, Collaboration, Open Communication and Iterative Work, and we´re seeking a Kubernetes Platform Engineer to work in the development of the OpenNebula open-source cloud management platform and its Kubernetes and cloud integration ecosystem

Since 2019, and thanks to the support from the European Commission, OpenNebula Systems is leading the edge computing innovation in Europe, investing heavily in research and development, and playing a key role in the key strategic initiatives of the European Union. https://opennebula.io/innovation/

Job Description

The OpenNebula Systems team is looking for a Kubernetes Platform Engineer to join the team. You will work on the development, lifecycle management, and troubleshooting of Kubernetes-based components and integrations across our open-source cloud management platform, with a strong focus on production-grade clusters, automation, and cloud infrastructure.

We are looking for an engineer with hands-on Kubernetes experience who is comfortable both operating complex clusters and developing software around the Kubernetes ecosystem. You will contribute to OneKS, CAPONE, and CSI, develop Kubernetes controllers and integrations, evaluate new solutions, and work across Linux, containers, virtualization, networking, storage, and infrastructure automation. Strong Go development skills are essential, while experience with Cluster API, RKE2, and AI workloads on Kubernetes will be highly valuable. As we are an international team, please submit your CV in English.

Responsibilities

  • Develop and maintain features across OneKS, CAPONE, and the OpenNebula CSI integration.
  • Troubleshoot Kubernetes and RKE2 clusters, including networking, storage, upgrades, and multi-layer infrastructure issues.
  • Develop and maintain Kubernetes controllers, operators, and Cluster API integrations using Go.
  • Evaluate and integrate new solutions running on Kubernetes, including AI-related platforms and workloads.
  • Contribute to improvements and issues in adjacent components such as the Terraform Provider and OpenNebula appliances.
  • Automate and improve cluster lifecycle and platform integrations using tools such as Helm, Cluster API, Terraform, and Ansible.
  • Write maintainable code, tests, and technical documentation, and collaborate closely with engineers across the OpenNebula stack.

Experience Required

Academic Background and Certifications

  • Bachelor’s or Master’s degree in Computer Science, Information Technology, or Engineering.

Professional Experience

  • Hands-on professional experience administering and troubleshooting Kubernetes clusters in production or similarly complex environments.
  • Professional experience developing software in Go.
  • Experience working with Kubernetes cluster lifecycle management, ideally including Cluster API and RKE2.
  • Experience collaborating on software projects using modern development workflows, version control, testing, and technical documentation.

Technical Experience

  • Strong hands-on Kubernetes experience, including troubleshooting, networking, and storage.
  • Strong Go development skills; experience developing Kubernetes controllers or operators is highly valuable.
  • Strong Linux and container knowledge, with confidence troubleshooting distributed infrastructure.
  • Experience with Helm and Cluster API; familiarity with virtualization technologies such as KVM/QEMU.
  • Familiarity with Terraform, Ansible, observability tooling such as Prometheus, CSI, and Kubernetes cloud-provider integrations.
  • Experience with RKE2, Ruby, AI workloads on Kubernetes, or the NVIDIA Kubernetes ecosystem is a strong plus.

Language Skills

  • Intermediate to Advanced English level (B2 or higher) is required.

Soft Skills & Collaboration

  • Platform engineering mindset, with the flexibility to work across software development, Kubernetes operations, automation, and cloud infrastructure.
  • Strong self-management and accountability, with the ability to take ownership of tasks and deliver work independently.
  • Clear communication skills and the ability to explain technical decisions, troubleshooting findings, and implementation choices to others.
  • Collaborative and pragmatic approach, with a willingness to work closely with teammates and contribute to shared technical decisions.
  • Engineering mindset focused on reliable, maintainable, production-ready solutions rather than one-off implementations.
  • Curiosity and adaptability to work across Kubernetes, virtualization, networking, storage, observability, and other parts of the OpenNebula stack.

What's In It for Me?

Some of our benefits and perks vary depending on location and employment type, but we are proud to provide employees with the following;

  • Competitive compensation package and Flexible Remuneration Options: Meals, Transport, Nursery/Childcare…
  • Customized workstation (macOS, Windows, Linux any distro is welcome)
  • Private Health Insurance
  • 6 hours workday on Fridays and everyday during August
  • PTO: Holidays, Personal Time, Sick Time, Parental leave.
  • All Remote company with bright HQ centrally located in Madrid, and offices in Boston (USA) and Brno (Czech Republic)
  • Healthy Work-Life Balance : We encourage the right for Digital Disconnecting and promote harmony between employees personal and professional lives
  • Flexible hiring options: Full Time/Part Time, Employee (Spain/Usa) / Contractor (other locations)
  • We are building an awesome, Engineering First Culture and your opinion matters: Thrive in the high-energy environment of a young company where openness, collaboration, risk-taking, and continuous growth are valued
  • Be exposed to a broad technology ecosystem. We encourage learning and researching new technologies and methods as part of your everyday duties
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