High Performance Computing System Administrator (BT-25025)

About the position

The HPC System Administrator will support the JETS II contract at NASA's Johnson Space Center supporting the Flight Sciences Laboratory (FSL). The FSL is one of JSC's primary computing labs and hosts a wide variety of analyses, which support almost all of the major programs at JSC including the International Space Station (ISS), Orion, Space Launch System (SLS), Commercial Crew Program, Lunar Gateway, Human Landing System (HLS), and many others. The FSL systems are currently comprised of over 900 machines, 25,000 cores and 4 PB of storage, which serve over 900 users. In this position you will be working with a team of Systems Administrators to build and maintain all FSL services. This can include HPC administration, high-end Linux workstation administration, high-speed networking, parallel filesystem administration, and more. 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 lab users to make sure they can support the NASA human spaceflight mission. Other duties as assigned.

Responsibilities

• Support the JETS II contract at NASA's Johnson Space Center.
• Work with a team of Systems Administrators to build and maintain all FSL services.
• Administer HPC systems and high-end Linux workstations.
• Manage high-speed networking and parallel filesystem administration.
• Investigate system problems and proactively monitor system health.
• Assist FSL lab users in utilizing the systems effectively.

Requirements

• US Citizenship or Permanent Resident status required.
• Bachelor's degree or equivalent certification in a related area.
• 10+ years of recent and related experience.
• 3 years in IT related field.
• 1 year of experience in HPC system administration or managing large HPC clusters.
• Strong knowledge of administering Linux systems, primarily Red Hat and its derivatives.
• Experience with major configuration management software.
• Experience installing, maintaining, upgrading, and troubleshooting large high performance parallel and distributed filesystems.
• Demonstrated problem solving experience.
• Effective communication skills.

Nice-to-haves

• Experience with RedHat-based systems.
• IT Service Desk Support.
• Configuration management software (Ansible, Puppet, etc.).
• Lustre Parallel Filesystems.
• Ethernet Network Administration.
• InfiniBand Network Administration.
• Containerization in a HPC environment using Singularity, Docker, or Podman.
• Monitoring and alerting.
• SLURM Job Scheduling.
• SPACK Package Manager.
• Log consolidation and monitoring.
• Git/Gitlab and software development (CI/CD).
• Experience being a lead for a team of System Administrators.
• Johnson Space Center campus network.
• NASA security mechanisms.

Benefits

• Medical, prescription, dental, vision, AD&D, disability benefits.
• Life insurance.
• Retirement 401k.
• Vacation and sick pay.
• Holidays.
• Flexible work schedules.
• Professional training and development.