System Administrator II

Job description

Reflexive Concepts is seeking a skilled System Administrator (Level 2) 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: Required: - Five (5) 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 Ten (10) years - 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...