Cloud Networking & Virtualization Engineer (OVS/DPDK)

About the Position

We are looking for a Cloud Networking & Virtualization Engineer (OVS/DPDK) to join our Engineering team and strengthen the networking and virtualization behind our cloud and telco deployments.

For over a decade, 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 Networking & Virtualization Engineer (OVS/DPDK) to join our Engineering team in Europe and strengthen the networking and virtualization behind our cloud and telco deployments.

Job Description

Cloud Networking & Virtualization Engineers integrate, test, and support the virtual networking and virtualization layers of cloud and telco infrastructure. This role focuses on Open vSwitch with DPDK, KVM on Red Hat, and Ansible automation. You will strengthen our engineering team's networking capabilities, maintain deployment tooling, and troubleshoot complex performance and integration issues. You will work with engineers and customers to deliver reliable deployments, validate network performance, and document practical solutions. The role requires hands-on experience and the ability to take ownership of technical work independently.

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

• Integrating, deploying, and maintaining Open vSwitch with DPDK and KVM-based virtual networking in Red Hat environments
• Configuring and validating performance features such as SR-IOV, hugepages, and NUMA pinning to support demanding network and virtualization workloads
• Maintaining and extending one-deploy and its Ansible automation for repeatable infrastructure deployment and configuration
• Testing OVS/DPDK configurations, investigating networking and virtualization performance, and documenting results and improvements
• Troubleshooting incidents across Linux, virtual networking, and KVM, identifying root causes, and implementing preventive measures
• Supporting Red Hat infrastructure configuration and lifecycle management, including work with Red Hat Satellite
• Working with customers and project teams on deployment, integration, and support of cloud and telco environments, with occasional travel to project meetings and events
• Collaborating with development and support teams to resolve integration issues and improve the reliability and maintainability of the infrastructure stack
• Writing and maintaining technical documentation, deployment procedures, troubleshooting runbooks, and project reports

Requirements

Academic Background and Certifications

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

Professional Experience

• Demonstrated professional experience deploying, testing, troubleshooting, or supporting virtual networking and Linux-based virtualization environments, with responsibility for resolving complex infrastructure issues.
• Experience delivering cloud or virtualization integration projects and working independently with engineering and customer teams. Experience in telecom, NFV/NFVI, or large private-cloud environments is an advantage.

Core Skills

• Required hands-on professional experience with Open vSwitch (OVS) using DPDK, including practical configuration, testing, or troubleshooting of virtual networking and its performance.
• Required hands-on experience with Ansible, including writing or maintaining playbooks and roles for infrastructure deployment, configuration, and ongoing maintenance.
• Required hands-on experience deploying, operating, or troubleshooting KVM virtualization on Red Hat systems, with an understanding of how virtual machines interact with host networking and resources.
• Experience with enhanced platform awareness and performance features such as SR-IOV, hugepages, and NUMA pinning is valuable. Familiarity with Red Hat Satellite, OpenNebula, or one-deploy is an advantage; these tools can be learned after joining.

Language Skills

• English fluency at a professional or native-equivalent level, with excellent clarity and expression in both writing and speech.
• Professional working proficiency in Spanish, sufficient to participate in customer meetings, discuss technical issues, and provide support.

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 the 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.

We Offer

• 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 a 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.

About the Company

OpenNebula Systems is a leader in the cloud infrastructure industry and a key player in the global open-source community. We are dedicated to helping organizations manage their corporate data centers and build their Enterprise Clouds. Our commitment to innovation and excellence has earned us recognition and support from the European Commission, positioning us at the forefront of edge computing in Europe.