Ruben Montero
Chief Technology Officer at OpenNebula
Greater Madrid Metropolitan Area Spain
Summary
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RockstarRuben Montero is a seasoned technology leader and academic with 18+ years' experience, serving as CTO and co-founder of OpenNebula while holding a tenured associate professorship in computer architecture at Universidad Complutense de Madrid. He combines deep research credentials (over 80 scientific papers) in high-performance parallel and distributed computing with hands-on engineering, driving core OpenNebula features, bug fixes and system-level documentation for a widely used open-source cloud and edge platform. His expertise spans distributed systems, virtualization, networking and HPC, and he has steered more than 20 European and national R&D programs bridging research and production. A committed FOSS advocate, Ruben contributes both code and operational knowledge—improving CLI tooling, IPv6 support and complex networking docs—demonstrating a rare blend of scholarly rigor and practical systems administration. Based in Greater Madrid, he brings academic depth to product-focused cloud engineering and a track record of turning research into deployable infrastructure.
18 years of coding experience
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (12)
opennebula10
system-administration10
cloud-computing10
networking10
documentation10
cprogramming-language9
virtualization9
bash9
c-language9
api-documentation9
linux8
ipv68
Programming languages (9)
Github contributions (5)
OpenNebula/one
Jun 2008 - Jan 2023
The open source Cloud & Edge Computing Platform bringing real freedom to your Enterprise Cloud 🚀
Role in this project:
Back-end Developer
Back-end DeveloperContributions:21 reviews, 4907 commits, 1171 PRs in 14 years 9 months
Contributions summary:Ruben's contributions focused on addressing bugs and implementing new features for the OpenNebula platform. These included fixing a bug when adding security group rules, enhancing the output of the `onevm` command by adding UID information, and improving the handling of errors related to VNC ports. Additionally, the user worked on generating IPv6 context variables for IPv6 AR. These tasks highlight contributions to the platform's core functionality.
edge-computingopennebulacloudorchestrationvirtual-machine
OpenNebula/docs
Jan 2014 - Jan 2023
OpenNebula Documentation
Role in this project:Back-end Developer & System Administrator
Back-end Developer & System AdministratorContributions:548 reviews, 737 commits, 1053 PRs in 9 years 2 months
Contributions summary:Ruben primarily contributed to the OpenNebula documentation repository, making changes to configuration files, setup guides, and API references. They added and updated documentation related to system-level components, including information about scheduling, backup systems, networking features (like VXLAN and Q-in-Q), and the system's core configuration attributes. The contributions focused on clarifying configurations and functionality, which required experience with systems administration.
opennebula
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