Technical Expert/Functional Expert (Network)
Reflexive Concepts
System Administrator (Level 2)
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:
- 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
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
Vacancy posted 22 hours ago
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