OpenStack Cloud Engineer

Operates and evolves CERN’s OpenStack cloud in Geneva, supporting compute, storage and networking services, building Python automation, troubleshooting and optimising distributed infrastructure, integrating new capabilities with user teams and contributing fixes to the upstream open-source community.

Department: IT Cloud Infrastructure

• Operate and evolve CERN’s OpenStack cloud infrastructure
• Develop cloud compute, storage, networking and related services
• Build automation and systems tooling in Python
• Maintain configuration-management systems for scalable operations
• Design and integrate new capabilities with IT teams and user communities
• Troubleshoot and optimise large-scale distributed systems
• Contribute bug fixes and improvements to upstream OpenStack projects

• Bachelor’s or master’s degree in computer science or a related field
• No more than two years of professional experience since graduation
• University degree without a PhD
• Experience administering Linux in a server or data-centre environment
• Experience writing Python for automation or systems tasks
• Spoken and written English
• Nationality of a CERN Member State or Associate Member State, subject to the stated 2026 nationality ceilings
• No previous CERN fellow or graduate contract

Not available