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System Administration (All Levels) - TS/SCI Poly required

  • Annapolis Junction, MD
  • Computer/Software

System Administrator (All Levels)

We are seeking System Administrators at all experience levels to support mission operations sustainment activities, including system monitoring, troubleshooting, maintenance, and operational support within large-scale Linux environments.

This position is heavily focused on Linux system administration in mission-critical environments supporting high-performance computing (HPC) infrastructure and operational platforms. Candidates should possess strong troubleshooting abilities and be comfortable supporting systems where each environment may require unique solutions and approaches.

Minimum Qualifications

  • Active TS/SCI with Polygraph

Responsibilities

  • Support mission operations sustainment activities including monitoring, troubleshooting, and system maintenance
  • Install, configure, and maintain Linux operating systems and applications
  • Perform file system configuration and system optimization
  • Troubleshoot operating system, application, and network-related issues
  • Support TCP/IP networking configuration and troubleshooting
  • Compile, install, and maintain software packages and applications
  • Develop and maintain Bash scripts to support operational efficiency and automation
  • Support enterprise monitoring, alerting, and metrics platforms
  • Collaborate with engineering and operations teams to maintain system stability and performance
  • Participate in root cause analysis and issue resolution efforts

Required Qualifications

  • Strong Linux system administration experience with:
    • RHEL
    • CentOS
    • Rocky Linux
    • SLES
    • Ubuntu
  • Experience with:
    • OS installation and configuration
    • File system management
    • TCP/IP networking
    • Operating system and application troubleshooting
    • Bash scripting
    • Software compilation and installation
  • Understanding of High-Performance Computing (HPC) architecture
  • Knowledge of high-speed networking technologies such as:
    • InfiniBand
    • Slingshot
  • Familiarity with the following tools and technologies:
    • Jira
    • Confluence
    • Grafana
    • Prometheus
    • Nagios
    • Slurm
    • Git
    • Salt
    • Ansible
  • Strong troubleshooting and analytical skills
  • Ability to work independently in complex operational environments where systems and solutions may vary significantly
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