System Administration L2 - TS/SCI Poly required
On-siteAnnapolis Junction, Maryland, United States
Job Summary
Monitor, troubleshoot, and maintain large-scale Linux environments supporting high-performance computing infrastructure. Install, configure, and manage operating systems across RHEL, CentOS, Rocky Linux, SLES, and Ubuntu. Perform file system configuration, optimize system performance, and support TCP/IP networking and application issues. Develop Bash scripts for automation and maintain software packages. Support enterprise monitoring platforms like Grafana, Prometheus, and Nagios while collaborating on root cause analysis. Apply troubleshooting skills in complex operational settings using tools such as Ansible, Salt, and Git.
Required Qualifications
- Active TS/SCI with Polygraph
- Bachelor's degree in a technical field
- 5+ years of relevant experience
- 4 years of relevant experience in lieu of degree
- Strong Linux system administration experience
- RHEL
- CentOS
- Rocky Linux
- SLES
- Ubuntu
- 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
- Knowledge of high-speed networking technologies such as Slingshot
- 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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