HPC Linux System Administrator

Job Description

Job Description

GeoControl Systems, Inc.as a HUBZone company, is required to maintain a Federally mandated level of employees that reside (home residence) in a qualified HUBZone.  ONLY applicants whose home address lies in a qualified HUBZone will be considered for this position.

You can verify whether you reside in a HUBZone by using the following website:

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 GCS, 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.  

Requisition Qualifications:

This position has been posted at multiple levels. Depending on the candidate's experience, requirements, and business needs, we reserve the right to consider candidates at any level for which this position has been advertised.

• Typically requires a 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.
  
• Experience in the following areas is needed for this position:
  
• 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

Requisition Preferences: 

• Familiarity with the following is preferred but not required for the position:
  
• 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
  

GCS health and welfare benefits are designed to invest in you, and in the things you care about. Your health. Your well-being. Your security. Your future. Typical benefits offered include flexible work schedules and opportunities to work remotely, educational reimbursement, retirement benefits (401K, Roth), health benefits, tax saving options, disability benefits, life and accident insurance, voluntary benefits, paid time off and paid holidays, and parental and pregnancy leave.