HPC Linux System Administrator

Amentum•Houston, TX

3d•Onsite

About The Position

Are you passionate about human space exploration, understanding the origins of the universe, and working with a passionate and diverse team to make a difference? If you are, we need you! We need your talent, teamwork, and energy to help us achieve great things that inspire people all over the globe. We need you to bring creative ideas and diverse backgrounds to help us envision, shape, and deliver systems that will enable the exploration of space while benefiting people here on Earth. We are excited about what we do, and we need you on our team as we take on exciting challenges for NASA’s pursuits in deep space exploration. As NASA’s largest engineering solutions provider working together with NASA at centers across the United States. We have an exciting opportunity for a HPC Linux System Administrator to join the team with MRI, a teammate company. Requisition Description: Are you excited about supporting NASA human spaceflight? If so, this could be the position for you. We have the need for an experienced HPC System Administrator at Johnson Space Center (JSC). This position, working on the Amentum JETS contract, will support the Flight Sciences Laboratory (FSL). The FSL is one of JSC's primary compute labs and hosts a wide variety of analyses, which support all human-spaceflight programs at NASA including the International Space Station (ISS), Orion, Space Launch System (SLS), Commercial Crew Program, Human Landing System (HLS), Moon Base and many others. The FSL systems are currently comprised of over 700 machines, 26,000 cores and over 10 PB of storage, which serve more than 1000 users. In this position you will be working with a team of HPC System Administrators to build and maintain all FSL services. This will include High Performance Compute (HPC) administration, high-end Linux workstation administration, high-speed networking, High-speed parallel filesystem administration, and more. Some of the skillset we are looking for this position is a deep understanding of container technologies and how best they can be used in a High Performance Compute (HPC) environment. The FSL System Administration Team is critical in supporting the FSL users in effectively utilizing the systems. The team's day to day tasks include investigating system problems, proactively monitoring system health, and working with FSL users to make sure they can 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

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.
Investigating system problems.
Proactively monitoring system health.
Working with FSL users to make sure they can support the NASA human spaceflight mission.