Cloud Networking & Virtualization Engineer (OVS/DPDK)

OpenNebula Systems

9d • Remote

About The Position

OpenNebula Systems is seeking a Cloud Networking & Virtualization Engineer to join its Engineering team in Europe and strengthen networking and virtualization for cloud and telco deployments. The role integrates, tests, and supports virtual networking and virtualization layers, with a focus on Open vSwitch (OVS) with DPDK, KVM on Red Hat, and Ansible automation. It also involves maintaining deployment tooling and troubleshooting complex performance and integration issues.

The engineer will collaborate with colleagues, customers, and project teams to deliver reliable deployments, validate network performance, and document practical solutions. The position requires hands-on experience and the ability to take ownership of technical work independently. Occasional travel to project meetings and events may be required.

OpenNebula Systems develops open-source cloud infrastructure technology and participates in European edge-computing initiatives. The company describes itself as an all-remote organization, with a headquarters in Madrid and offices in Boston and Brno. Hiring options vary by location and may include full-time or part-time employment, or contracting outside Spain and the USA.

Requirements

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.
• Professional experience deploying, testing, troubleshooting, or supporting virtual networking and Linux-based virtualization environments, including responsibility for resolving complex infrastructure issues.
• Experience delivering cloud or virtualization integration projects and working independently with engineering and customer teams.
• Hands-on professional experience with Open vSwitch using DPDK, including practical configuration, testing, or troubleshooting of virtual networking and its performance.
• Hands-on experience with Ansible, including writing or maintaining playbooks and roles for infrastructure deployment, configuration, and ongoing maintenance.
• 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.
• Professional or native-equivalent English fluency, with excellent written and spoken clarity and expression.
• Professional working proficiency in Spanish sufficient to participate in customer meetings, discuss technical issues, and provide support.
• Strong customer-service mindset focused on responsiveness and user satisfaction.
• Clear communication and documentation skills, async collaboration, and visibility of work.
• Ability to work independently, manage time, and take ownership of tasks and deadlines.
• Confidence using Git, CI/CD, and remote collaboration tools such as Slack, Zoom, and GitHub, and solving problems without direct supervision.

Nice To Haves

• Experience in telecom, NFV/NFVI, or large private-cloud environments.
• Experience with performance features such as SR-IOV, hugepages, and NUMA pinning.
• Familiarity with Red Hat Satellite, OpenNebula, or one-deploy; the posting notes these tools can be learned after joining.

Responsibilities

• Integrate, deploy, and maintain Open vSwitch with DPDK and KVM-based virtual networking in Red Hat environments.
• Configure and validate performance features such as SR-IOV, hugepages, and NUMA pinning for demanding networking and virtualization workloads.
• Maintain and extend one-deploy and its Ansible automation for repeatable infrastructure deployment and configuration.
• Test OVS/DPDK configurations, investigate networking and virtualization performance, and document results and improvements.
• Troubleshoot incidents across Linux, virtual networking, and KVM; identify root causes and implement preventive measures.
• Support Red Hat infrastructure configuration and lifecycle management, including work with Red Hat Satellite.
• Work with customers and project teams on deployment, integration, and support of cloud and telco environments, including occasional travel to project meetings and events.
• Collaborate with development and support teams to resolve integration issues and improve infrastructure reliability and maintainability.
• Write and maintain technical documentation, deployment procedures, troubleshooting runbooks, and project reports.

Benefits

• Competitive compensation package and flexible remuneration options, including meals, transport, and nursery/childcare.
• Company-provided workstation.
• Private health insurance.
• Six-hour workday on Fridays and every day during August.
• Paid time off, including holidays, personal time, sick time, and parental leave.
• Flexible hiring options, subject to location and employment type.
• Encouragement of digital disconnecting and work-life balance.
• Learning and research into new technologies and methods as part of everyday duties.
• Collaborative engineering-first culture that values openness, risk-taking, and continuous growth.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level