• Help define system scope and objectives while designing, developing, and enhancing software solutions that support critical healthcare operations, patient care, regulatory compliance, and medical research • Work with both modern and legacy technologies to solve complex challenges • Contribute across the full software lifecycle—including development, implementation, maintenance, troubleshooting, upgrades, testing, and custom reporting • Collaborate with cross-functional teams, apply creative problem-solving, and deliver solutions that make a real difference

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 Cloud Systems Engineer to come and join us in Europe as part of our new team developing the next generation management platform for the Cloud-Edge Computing Continuum. Job Description Cloud Systems Engineers are responsible for the deployment and support of large edge and cloud-based use cases, pilot and POC systems and services. They work on complicated technical issues, resolving them promptly and efficiently. Their responsibilities include communicating with users, addressing their needs, troubleshooting, and providing step by step solutions. 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 - Designing, integrating, deploying, and maintaining large cloud-based solutions, systems and services - Ensuring efficient functioning of cloud functions in accordance with best practices - Interacting with users and use cases, providing systems support, system architecture definition, making recommendations based on user needs, implementation, testing, user training, and deployment of open source solutions - Troubleshooting incidents, identify root causes, fix and document problems, and implement preventive measures - Monitoring installed systems and infrastructure.Monitoring and troubleshooting the performance and issues of the cloud system, and updating and maintaining the cloud system - Delivering quality performance indicators within the scope of the assigned project, including project journals, status reports, and other standard documentation - Working with other companies in the cloud-edge ecosystem within international projects and open-source communities. Availability to occasional travel and participation in international events and meetings - Working with the development teams in the escalation of support issues, the use cases and solutions team in discovery and demo sessions, and the community team in contributions to the open-source community - Writing and maintaining software documentation and project reports Experience required Academic Background and Certifications - Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field. Professional Experience - Hands-on experience in cloud systems integration and support using open-source technologies - Experience with Cloud Management platforms and their associated technologies. Understand the implication of managing virtualized infrastructures and the orchestration of the underlying subsystems Technical Experience - Experience in developing and maintaining Ruby code base for system applications with knowledge of computing systems integration and the interaction with the operating system facilities like I/O, networking and virtualization - Experience integrating computing systems specially related to virtualization, storage and networking. Knowledge of KVM/QEMU virtualization, including qcow2 and management of Virtual Machines; storage systems (usage and administration) NAS and SAN, specially for storing VM disk images; and Linux networking stack including VLAN protocols, package filtering, basic routing protocols, Open vSwitch, and DPDK - Experience writing Terraform modules and managing deployments of virtualized infrastructures with Terraform - Experience deploying and using monitoring and alerting tools like Prometheus. Design monitoring metrics and associated data structure. Elaborate and analyze usage reports obtained from the monitor data Language Skills - English fluency at a professional or native-equivalent level, with excellent clarity and expression in both writing and speech. 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 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 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… - 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 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

• Configures software or creates/modifies software code to meet business requirements; creates and executes test plans for software modifications and facilitates transfer into production • Writes software documentation suitable for internal systems control and user manuals; develops and provides user training • Confers with customers and team members, including across teams, to determine requirements; designs business application systems that address and solve complex corporate business needs • Estimates system configuration and development efforts for self and functional area • Functions as an area leader on large projects and/or project leader on small and medium projects; coordinates resources, milestone schedules and related communication; responsible for delivery of assigned work area(s) or project(s) • Uses standard team/department methods and processes to complete work; assists in developing methods and processes when required • Leads and/or assists team members and customers with problem solving related to software application performance and usage; collaborates across teams as needed • Participates in and supports disaster recovery initiatives and change management standards and procedures; assists in developing standards and procedures when required • Evaluates make vs. buy system alternatives under general direction; maintains awareness of current technologies and trends; assimilates new technology into company work environment • Develops technical and business proficiency through education, work assignments, research and technical/user group participation; demonstrates practical application of learning and actively shares knowledge across functional area • Provides 24-hour on call support, including evenings and weekends • Performs other duties as required/assigned by Manager

• Manage AWS, GCP administrators (contractors), and project specific vendors to ensure high performance, SOW compliance, and adherence to the LEE System Design • Manage cloud optimization to ensure monthly spend remains within budget and projects stay on track • Plan, maintain, evaluate, and communicate application roadmaps, backlogs, and release schedules • Coach and develop cross-functional staff to increase technical literacy and ensure effective vendor oversight • Act as lead architect for a portfolio of 'Build' solutions, ensuring adherence to the LEE System Design regarding code quality and scalability • Direct the development of custom-coded applications and services, leveraging AI-assisted coding and vibe coding • Evaluate emerging technologies (e.g., Agents, Automation tools, Frameworks) for potential 'Build' integration • Establish and govern engineering standards for custom applications and service-oriented architecture • Maintain and update the LEE System Design Document to reflect current architecture • Serve as the Tier-3 escalation point for AWS and GCP infrastructure roadblocks