RC
System Administrator I
Reflexive Concepts
- 🇺🇸 United States
- 9 hours ago
- Linux
- RHEL
- CentOS
- Ubuntu
- TCP/IP
- Bash scripting
- InfiniBand
- Jira
- Confluence
- Grafana
- Prometheus
- Nagios
- Slurm
- Git
- Ansible
9 hours ago
Reflexive Concepts is seeking a System Administrator to support Y4 Desktop Services mission operations sustainment — monitoring, troubleshooting, and maintaining Linux-based systems on a high-impact national security mission.
Qualifications:
- Three (3) 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 Eight (8) 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
- DoD 8570 IAT Level II certification (with verification code)
- Active TS/SCI clearance with full-scope polygraph (most recent poly within 7 years)
- 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
System Administrator I · Reflexive Concepts