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Skills
Bash Scriptingunmatched
Broadbandunmatched
CentOSunmatched
Computer Systemsunmatched
File Systemsunmatched
Full Scope Polygraphunmatched
Identify Issuesunmatched
Linux Administrationunmatched
Linux Operating Systemunmatched
Operating Systemsunmatched
Operational Supportunmatched
Red Hat Linux Operating Systemunmatched
Sensitive Compartmented Information (SCI)unmatched
Software Administrationunmatched
Software Installationunmatched
Systems Administration/Managementunmatched
TCP/IP (Transmission Control Protocol/Internet Protocol)unmatched
Top Secret Clearanceunmatched
Ubuntuunmatched
Description
Reflexive Concepts is seeking a skilled System Administrator (Level 3) to join our growing team!
Reflexive Concepts is seeking a skilled System Administrator to support mission operations sustainment — monitoring, troubleshooting, and maintaining Linux-based high-performance computing systems on a high-impact national security mission.
Qualifications:
Ten (10) years of system administration experience
Bachelor's Degree or higher in a related technical field
An additional five (5) years of system administration experience may be substituted for the degree, for a total of Fifteen (15) years
Required:
Linux administration on RHEL, CentOS, Rocky, SLES, or Ubuntu
OS install, file system configuration, and TCP/IP networking
Operating system and application troubleshooting
BASH scripting; software compilation and install
Active TS/SCI clearance with full-scope polygraph (most recent poly within 7 years)
Desired Skills:
Understanding of HPC architecture and high-speed networks (InfiniBand, Slingshot)
Familiarity with Jira, Confluence, Grafana, Prometheus, Nagios, Slurm, git, Salt, and Ansible
Strong troubleshooting skills — comfort with the reality that no two systems are exactly alike