Linux - HPC Administrator

About Bull

Bull is a European innovation company developing powerful, sustainable, and sovereign digital solutions across high-performance computing, AI, and quantum technologies.

Context

We are seeking an experienced HPC & Linux Systems Administrator to maintain ongoing service delivery, meet customer commitments, and support uninterrupted operations in a customer-facing environment.

Main Responsibilities

• Administer and support High-Performance Computing (HPC) environments.
• Manage Linux-based infrastructure and system administration activities.
• Perform hardware troubleshooting and maintenance of high-end servers and storage systems.
• Administer and support parallel file systems such as Lustre and/or GPFS.
• Manage and troubleshoot InfiniBand networking technologies.
• Support HPC cluster solutions including Torque, Moab, OpenHPC, Bright Cluster, and similar platforms.
• Administer workload management and job scheduling tools such as PBS and Slurm.
• Develop and maintain shell scripts for automation and operational efficiency.
• Support configuration management and automation tools such as Ansible.
• Participate in incident management, root cause analysis, and problem resolution.
• Provide support in a 24x7 operational environment as required.

Skills & Qualifications

Required

• 3–7 years of relevant experience in Linux System Administration and/or HPC Administration.
• Strong expertise in Linux operating systems and server administration.
• Experience with HPC cluster administration, including Torque, Moab, OpenHPC, or Bright Cluster.
• Hands-on experience troubleshooting high-end servers and storage infrastructure.
• Knowledge of Lustre and/or GPFS administration.
• Good understanding of InfiniBand technology.
• Experience with workload managers such as PBS or Slurm.
• Shell scripting skills for automation and system management.
• Ability to work effectively in a 24x7 support environment.

Preferred

• Experience with Ansible or similar automation tools.
• Experience working in customer-facing support or managed services environments.
• Exposure to large-scale enterprise or research computing environments.

Why Apply?

• Opportunity to work on a critical customer-facing HPC environment.
• Exposure to advanced computing infrastructure, storage, and networking technologies.
• Direct contribution to a high-impact, revenue-generating project.
• Opportunities to strengthen expertise in HPC, Linux, automation, and cluster management technologies.

Recruitment Process

Application Screening, Technical Assessment, Hiring Manager Discussion, HR Discussion, Offer & Onboarding.

Joining: Immediate