Bull
- Consultant HPC software et datacenter
Les Clayes-sous-Bois
2015 - maintenant
High Performance Computing Consultant
3 missions: Linux system administrator, data center infrastructure, data scientist
** Linux system administrator:
- Linux (RHEL)
- HPC clusters
--- Admin core : dhcp, dns, ntp, nagios/shinken, pxe, ldap, etc.
--- Network (Eth, IB)
--- Parallel File System (Lustre FS/Gluster FS)
--- Job Scheduler (Slurm)
--- Deployment management tools (Salt stack, Ansible)
--- User computing environment (module, MPI/OpenMP, scientific libraries, etc.)
--- Scripting (Bash, Gnu tools, Dialog/Whiptail, etc.)
** Datacenter infrastructure:
- Cooling infrastructures
--- Cold water (air handling units, chillers, etc.)
--- Warm water (free cooling, adiabatic towers, cooling towers, etc.)
- IT rooms management
--- Cold/warm aisles
--- Humid air management
- Electrical infrastructures
--- HT/LT
--- Inverters, redundancy
- Energy optimization
** Data Scientist:
- Parallel programming (MPI1, OpenMP, C/Fortran 90)
- Mathematical algorithms (conjugate gradient, multigrid, derivative, etc)
- Debugging, Optimizing