Linux - HPC Administrator

About Bull

Bull is a story. One with a century of European innovation and a working environment where experts design powerful, sustainable, and sovereign digital solutions, enabling states and industries to retain full control over their data and their AI.

Bull is also thousands of engineers, researchers and passionate tech people shaping the future of high‑performance computing, AI, and quantum technologies.

Every day, our teams push the boundaries of what is technologically possible – from next‑generation HPC architectures to exascale supercomputers – supported by world‑class R&D, more than 1,600 patents, and unique end‑to‑end capabilities spanning hardware design, software engineering, data science and quantum research.

We are a people‑centric, innovation‑driven company, where collaboration spans Europe, the Americas and India. We share a common vision of a responsible and sustainable innovation that delivers concrete impact for our customers.

Context

We are seeking an experienced HPC & Linux Systems Administrator. This position is critical to maintaining ongoing service delivery and meeting customer commitments. The role directly supports revenue-generating activities, and timely backfilling is essential to ensure uninterrupted operations and customer satisfaction.

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 (IB) 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 (preferred).
• 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 (Torque, Moab, OpenHPC, Bright Cluster, etc.).
• Hands-on experience troubleshooting high-end servers and storage infrastructure.
• Knowledge of Lustre and/or GPFS administration.
• Good understanding of InfiniBand (IB) 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.
• Challenging and rewarding role within a skilled technical team.
• Opportunities to strengthen expertise in HPC, Linux, automation, and cluster management technologies.

Recruitment Process

1. Application Screening
2. Technical Assessment 
3. Hiring Manager Discussion
4. HR Discussion
5. Offer & Onboarding

Job Information:

• Location: Noida
• Joining: Immediate 

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