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 Technology Evangelist – Open Source Cloud to come join us in Europe as part of our growing team expanding the awareness, adoption, and impact of our open source technology across both community and enterprise audiences.

Job Description

The Technology Evangelist will act as a bridge between OpenNebula technology, our community, and the broader market. You will engage with users, contributors, customers, partners, and the public through events, content, online channels, and direct interactions—advocating for OpenNebula, explaining our value, and inspiring adoption of our platform and open-source principles.

This role combines technology communication, customer and community engagement, and public advocacy. You will become one of the recognizable voices of OpenNebula in the ecosystem, driving awareness, building trust, stimulating contributions, and collecting feedback to bring back to our internal teams. The ideal candidate is passionate about open source, cloud, and public speaking, and enjoys explaining technical concepts in a clear and engaging way.

Responsibilities

- Act as a public ambassador for OpenNebula across social platforms, developer communities and partner ecosystems

- Inspire, recruit, and support new users and contributors in adopting and getting value from OpenNebula.

- Maintain active communication with the ecosystem and user base through forums, meetups, events, and online channels, offering guidance and direction when needed.

- Ensure that all OpenNebula Community resources, including the Forum and marketplace, support engagement, knowledge sharing, and open collaboration.

- Solicit, gather, and share feedback from users and customers with Product, Engineering and Marketing to help shape the roadmap and improve UX.

- Represent OpenNebula at industry conferences, open-source events, webinars, and meetups — including public speaking engagements, technical sessions, and panel participation.

- Create compelling content (blogs, videos, demos, presentations, guides) that explains our technology and promotes open-source values through the OpenNebula Blog and Monthly Newsletter.

- Support go-to-market and awareness efforts in collaboration with Marketing, promoting our ecosystem and open standards at regional and international events (including occasional travel)

- Answer questions and provide guidance/direction for customers, partners, and occasionally C-level stakeholders to collect insights, provide clarity about our technology, create awareness and drive adoption, at events, on social media, with blogs, etc.

- Collaborate on webinars, workshops, and content initiatives that empower contributors and users. 

Experience required

Academic Background and Certifications

• Bachelor’s degree in Computer Science, Engineering, Telecommunications, or a related technical field is preferred.
• Certifications in cloud, Linux, Kubernetes are considered valuable but not required.
  

Professional Experience

• Experience in a developer advocacy, technology evangelism, community leadership, or customer-facing technical role.
• Demonstrated ability to communicate with diverse audiences — from developers to C-level stakeholders — clearly and persuasively.
• Experience speaking at events, presenting webinars, or creating public content (blogs, videos, thought-leadership pieces) about technology.
• Experience collaborating cross-functionally with product, engineering, marketing, and community teams in a remote, international environment.
  

Technical Experience

• Solid understanding of cloud computing, virtualization, Linux, and open-source ecosystems.
• Able to act as a confident “power user” — testing, demoing, and explaining features clearly.
• Comfortable simplifying complex technical concepts for both technical and non-technical audiences, including C-level stakeholders.
• Familiarity with DevOps culture, containers, orchestration, and related cloud platforms.
  

Language Skills

• English fluency at a professional level, with excellent written and spoken communication skills.
• Additional European languages are a plus.

Soft Skills & Collaboration

• Passion for open-source values, with high cultural awareness and empathy when engaging global communities.
• Organized and proactive, able to work independently in a distributed environment while collaborating effectively as part of a team
• Excellent storytelling, public-speaking, and relationship-building skills, with the ability to influence and inspire diverse audiences
  
  

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