Linux System Administrator

Are you interested in high-performance computing (HPC) and looking to take your career to the next level?

Salary: €45,000 - €70,000 Dependant on experience

Location: Bruyère-le-Châtel, France (5 days per week on site)

Employment Type: Permanent

We are seeking an experienced and highly motivated Linux System Administrator to join our clients dynamic team. As a European leader in High-Performance Computing, they deliver world-class solutions to solve the most complex scientific challenges. If you’re passionate about cutting-edge technology and are looking for an exciting opportunity to work in a collaborative, high-level environment, then we want to hear from you.

About the Role

In this position, you’ll play a key role in the administration of HPC systems, including supercomputers and storage solutions, contributing to ground breaking projects. You'll work with a talented team of technicians and engineers specialized in HPC systems, ensuring the continuous optimization and reliability of our systems.

Key Responsibilities

• Administration of HPC systems, including supercomputers and associated storage systems.
• Install, configure, and optimize software across several thousand computing nodes.
• Perform regular software maintenance operations.
• Implement high availability solutions (HA, Pacemaker, Corosync).
• Develop automation procedures using scripts (Bash, Python).
• Write technical documentation, including operating procedures (Wiki).
• Analyze, diagnose, and resolve production incidents.
• Handle customer support tickets, either resolving or escalating to L3 support as necessary.
• Participate in technical escalation procedures with internal and partner teams.
• Provide Level 1 and Level 2 support for software stack based on CentOS.
• Participate in on-call rotations (approximately one week per month).

Desired Skills & Experience

• At least 5 years of experience in Linux system administration, added plus if in HPC environments.
• Mastery of GNU/Linux HPC systems (RedHat, CentOS, or others).
• Experience with Lustre File System and related technologies.
• Familiarity with networking (InterConnect, Infiniband, Ethernet, RoCE).
• Experience with containers (Docker, OpenStack) and orchestration tools (Puppet, Ansible).
• Scripting skills (Shell, Python, Perl).
• Knowledge of key Linux services (DNS, DHCP, Web, FTP, authentication, deployment management).
• Familiarity with monitoring tools like Nagios.
• Hands-on experience with hardware components, including network switches, X86 servers, and storage (DDN, ClusterStor, etc.).

Must have:

• French National due to Security Clearances required

If you’re excited to join a high-performing team and want to make a real impact in the world of HPC, apply today.