System Administrator (BE-CSS-ISA-2026-56-LD)

• System administration tasks for the Linux computers connected to the accelerator control system (control room consoles, data centre servers, real-time embedded platforms and virtual machines).
• Investigation, diagnosis, and resolution of operational problems in collaboration with end-users ranging from equipment specialists to operations teams.
• Management of data centre infrastructure, including servers, racks and their relationships with networking, powering and cooling.
• Management of desktop computers in control rooms and technical buildings.
• Management of networked data-storage systems, ensuring that they are effectively backed up.
• Planning and coordination of annual installation work and replacement of obsolete equipment, in collaboration with other members of the system administration team.
• Close collaboration with engineers from the IT Department responsible for the general CERN IT infrastructure.
• Participation in the definition of hardware specifications for server and desktop computers as part of their procurement processes.

Bachelor's degree or equivalent relevant experience in the field of Computer Science or a related field., * Knowledge of the Linux operating system and experience with its administration.

• Experience in the operation of computing infrastructures in a data centre environment.
• Experience of installation and management of commercial server platforms.
• Experience of configuration management tools such as Ansible, Puppet, or similar and a version control system such as Git would be advantageous.

Technical competencies:

• Installation, operation and maintenance (preventive and corrective) of computing systems.
• Knowledge of operating systems: specifically Linux.
• Operation and maintenance (preventive and corrective) of storage systems.
• Operation and maintenance of networks.

Behavioural competencies:

• Achieving Results: having a structured and organised approach towards work; being able to set priorities and plan tasks with results in mind.
• Communicating Effectively: expressing opinions, ideas and suggestions with conviction and in a logical/structured manner; keeping to the point.
• Working in Teams: understanding when teamwork is required to achieve the best results; including others accordingly and sharing information.
• Demonstrating Flexibility: adapting quickly and resourcefully to shifting priorities and requirements.
• Learning and Sharing Knowledge: keeping up-to-date with developments in own field of expertise and readily absorbing new information.

Language skills:

Spoken and written English, with a commitment to learn French.

• A competitive salary (tax free), increasing in line with your years of relevant experience.
• 30 days of paid leave per year plus 2 weeks annual closure.
• Coverage by CERN's comprehensive health insurance scheme (for yourself, your spouse and children), and membership of the CERN Pension Fund.
• Family, child and infant monthly allowances depending on your individual circumstances.
• A relocation package (installation grant, removal, travel expenses) depending on your individual circumstances.
• Possibility to extend your contract up to 8 years + eligibility for indefinite contract tenure.

Imagine taking part in the largest scientific experiment in the world. CERN needs more than physicists and engineers - if you're a student, a graduate, just starting your career or an experienced professional, whatever your field of expertise, CERN could be your next opportunity.