Cloud Systems Engineer

About the role

OpenNebula Systems, a European open source provider of cloud management technology, is hiring a Cloud Systems Engineer to join its new team developing the next generation management platform for the Cloud-Edge Computing Continuum. The engineer deploys and supports large edge and cloud use cases, pilots and POC systems, and works on complex technical issues while communicating with users and providing step-by-step solutions.

Key responsibilities

• Design, integrate, deploy and maintain large cloud-based solutions, systems and services
• Ensure cloud functions run efficiently according to best practices
• Support users, define system architecture, recommend solutions, train users and deploy open source solutions
• Troubleshoot incidents, find root causes, fix and document problems, and implement preventive measures
• Monitor installed systems and infrastructure, and monitor and maintain cloud system performance
• Deliver quality performance indicators, project journals, status reports and other documentation
• Work with partners in the cloud-edge ecosystem, international projects and open-source communities, and attend occasional travel and international events
• Escalate support issues with development teams, take part in discovery and demo sessions, and contribute to open source
• Write and maintain software documentation and project reports

Required profile

• Bachelor's or Master's degree in Computer Science, Software Engineering or a related field
• Hands-on experience in cloud systems integration and support with open-source technologies
• Understanding of virtualized infrastructures and orchestration of underlying subsystems
• English fluency at professional or native-equivalent level
• Customer service mindset, clear communication, self-management and technical autonomy

Required skills

• Ruby code base maintenance and system integration with I/O, networking and virtualization
• KVM/QEMU virtualization (qcow2, VM management), NAS/SAN storage, Linux networking (VLANs, Open vSwitch, DPDK)
• Terraform modules and deployment of virtualized infrastructures
• Prometheus monitoring and alerting, metric design and analysis of usage reports
• Git, CI/CD, Slack, Zoom, GitHub

What we offer

• Competitive compensation with flexible remuneration options (meals, transport, childcare)
• Company-provided workstation and private health insurance
• 6-hour Friday workday and holidays in August
• PTO covering holidays, personal time, sick time and parental leave
• Remote-first company with offices in Madrid, Boston and Brno
• Flexible hiring options: full-time/part-time, employee or contractor