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Salary
≈ $45k – $122k per year (Estimated)
Location
In office (Pozuelo de Alarcón)
Employment
Full-Time

Confirmed on the employer's own hiring board on Sep 30, 2026. First seen by Alion on Apr 14, 2026. OpenNebula scores B on the Alion truth index.

Overview
Company
Impact
Profile match
OpenNebula helps you replace VMware and build AI-ready clouds with full control, enterprise-grade features, and lower infrastructure costs.

For over a decade now, OpenNebula Systems has been leading the development of the European open source technology that helps organizations around the world to manage their corporate data centers and build their Enterprise Clouds.

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 a team of exceptionally passionate and talented colleagues whose mission is to help the world's leading enterprises to implement their next-generation edge and cloud strategies. We are hiring!

Since 2019, and thanks to the support from the European Commission, OpenNebula Systems has been leading the edge computing innovation in Europe, investing heavily in research and open source development, and playing a key role in strategic EU initiatives such as the IPCEI-CIS and the “European Alliance for Industrial Data, Edge and Cloud”.

We are currently looking for a Cloud Systems Engineer to come and join us in Europe as part of our new team developing the next generation management platform for the Cloud-Edge Computing Continuum.

Job Description

Cloud Systems Engineers are responsible for the deployment and support of large edge and cloud-based use cases, pilot and POC systems and services. They work on complicated technical issues, resolving them promptly and efficiently. Their responsibilities include communicating with users, addressing their needs, troubleshooting, and providing step by step solutions.

Application note: We know job applications take time, and we really appreciate candidates who read the role description carefully. As a small check, when answering the application questions, please include the word “pineapple” in one of your answers.

Responsibilities

  • Designing, integrating, deploying, and maintaining large cloud-based solutions, systems and services

  • Ensuring efficient functioning of cloud functions in accordance with best practices

  • Interacting with users and use cases, providing systems support, system architecture definition, making recommendations based on user needs, implementation, testing, user training, and deployment of open source solutions

  • Troubleshooting incidents, identify root causes, fix and document problems, and implement preventive measures

  • Monitoring installed systems and infrastructure.Monitoring and troubleshooting the performance and issues of the cloud system, and updating and maintaining the cloud system

  • Delivering quality performance indicators within the scope of the assigned project, including project journals, status reports, and other standard documentation

  • Working with other companies in the cloud-edge ecosystem within international projects and open-source communities. Availability to occasional travel and participation in international events and meetings

  • Working with the development teams in the escalation of support issues, the use cases and solutions team in discovery and demo sessions, and the community team in contributions to the open-source community

  • Writing and maintaining software documentation and project reports

    Experience required

Academic Background and Certifications

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

Professional Experience

  • Hands-on experience in cloud systems integration and support using open-source technologies

  • Experience with Cloud Management platforms and their associated technologies. Understand the implication of managing virtualized infrastructures and the orchestration of the underlying subsystems

Technical Experience

  • Experience in developing and maintaining Ruby code base for system applications with knowledge of computing systems integration and the interaction with the operating system facilities like I/O, networking and virtualization

  • Experience integrating computing systems specially related to virtualization, storage and networking. Knowledge of KVM/QEMU virtualization, including qcow2 and management of Virtual Machines; storage systems (usage and administration) NAS and SAN, specially for storing VM disk images; and Linux networking stack including VLAN protocols, package filtering, basic routing protocols, Open vSwitch, and DPDK

  • Experience writing Terraform modules and managing deployments of virtualized infrastructures with Terraform

  • Experience deploying and using monitoring and alerting tools like Prometheus. Design monitoring metrics and associated data structure. Elaborate and analyze usage reports obtained from the monitor data

Language Skills

  • English fluency at a professional or native-equivalent level, with excellent clarity and expression in both writing and speech.

Soft Skills & Collaboration

  • Strong customer service mindset, with a focus on responsiveness and user satisfaction.

  • Clear communication and documentation with strong written and verbal English, async collaboration, and visibility of work.

  • Self-management and accountability with ability to work independently, manage time, and take ownership of tasks and deadlines

  • Technical autonomy and tool proficiency with confidence in using Git, CI/CD, remote collaboration tools (Slack, Zoom, GitHub, etc.), and solving problems without direct supervision

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…

  • Company-provided workstation

  • 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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