HPC Linux System Administrator

GeoControl Systems, Inc.•Houston, TX

1d•Hybrid

About The Position

GeoControl Systems, Inc. is seeking an experienced HPC Linux System Administrator to join the team supporting the Flight Sciences Laboratory (FSL) at Johnson Space Center (JSC) on the Amentum JETS contract. The FSL is a primary compute lab for NASA's human spaceflight programs, hosting over 700 machines, 26,000 cores, and 10 PB of storage for over 1000 users. This role involves working with a team to build and maintain FSL services, including High Performance Compute (HPC) administration, high-end Linux workstation administration, high-speed networking, and high-speed parallel filesystem administration. A deep understanding of container technologies and their application in HPC environments is crucial. The team is critical in supporting FSL users, investigating system problems, monitoring system health, and ensuring users can effectively support the NASA human spaceflight mission.

Requirements

Bachelor’s degree or equivalent certification in a related area and a minimum of 5 years of experience in the field or in a related area.
Linux system administration
System configuration management
Container Based HPC Workflows
Complex CI/CD Workflows
HPC job scheduler administration
Demonstrated problem solving, planning, and communication skills
Ability to work in a team environment
Experience with large-scale system administration, with 2 of those years in HPC administration

Nice To Haves

Familiarity with RedHat-based systems
Container Technology like Docker, Podman, and Apptainer
Luster High-speed Parallel Filesystems
InfiniBand
Ansible / Foreman
SLURM resource manager
SPACK software manager
Log consolidation and monitoring
Git/Gitlab and software development (CI/CD)
Johnson Space Center campus network
NASA security mechanisms (security plans, POAMs, ATOs, Risk Assessments)

Responsibilities

Build and maintain all FSL services.
High Performance Compute (HPC) administration.
High-end Linux workstation administration.
High-speed networking.
High-speed parallel filesystem administration.
Investigate system problems.
Proactively monitor system health.
Work with FSL users to ensure they can support the NASA human spaceflight mission.