CGG (www.cgg.com) is a global technology and HPC leader that provides data, products, services and solutions in Earth science, data science, sensing and monitoring. Our unique portfolio supports our clients in efficiently and responsibly solving complex digital, energy transition, natural resource, environmental, and infrastructure challenges for a more sustainable future. CGG employs around 3,400 people worldwide.

Our expertise, specialized HPC and digital technologies support advanced and secure cloud-based workflows, expert geoscience data transformation and AI, machine learning and data science services. Today, our HPC supports over 700 users with 300 petaflops of compute power

CGG is looking for a Linux System administrator for implementing and maintaining our cloud HPC infrastructure in operational condition (both hardware and software), participating to system improvements and hardware & software products lifecycles, with many different stakeholders (solution architects, platform architects, network architects, cybersecurity experts) in a dynamic and exciting working environment. 

Your main responsibilities:

HPC Cloud Infrastructure Maintenance:  

• Manage the day-to-day system administration of HPC Cloud infrastructure (compute capacity – CPU and accelerators), storage environments and associated interconnect/network infrastructure,
• Install and maintain hardware and deploy Linux and other software components,  

User Support:

Collaborate with the Customer eXperience Group and Operation Technical Account Manager, to provide technical assistance to end-customer including diagnosing/troubleshooting system and application software problems and compiling, installing, and/or developing scientific or engineering software in a Linux environment. 

Documentation:

Write and maintain detailed documentation of system configurations, procedures, troubleshooting guides to facilitate knowledge sharing and team collaboration.  

• 5+ years of professional experience required with an exposure to Linux cluster system and administration, including diagnosing/troubleshooting system (hardware) and application software problems
• Demonstrated experience in Bash or Python scripting, with software building and configuration tools (e.g., makefiles)
• Experience with virtualized environment (Proxmox, qemu, KVM…)
• Experience dealing with physical hardware automation
• Good understanding of data-center networks: TCP/IP, DNS, load balancing, IPv6, firewall, BGP and network virtualization
• Experience with storage management and configuration (storage appliances, JBOD...) and with Linux network filesystems (NFS)
• Good communication skills internally with cross-functional teams
• Fluency in French and English is mandatory with our international environment.

Knowledge of HPC (High Performance computing) is a plus:

• job scheduler configuration and management (SLURM), 
• HPC related low latency interconnect,
• HPC oriented parallel filesystems,
• HPC development environment in general (compilers, specialized libraries…)

Knowledge of cloud software ecosystem is a plus:

• OpenStack understanding
• Containers and their automation

• Participation on on-call technical escalation,
• Please apply with a resumé in English,

We see things differently. Diversity fuels our innovation, we value the unique ways in which we differ, and we are committed to equal employment opportunities for all professionals.