> Markdown version of [/jobs/ext/3870175-systems-administrator-3-nhk-007](https://www.wearedevelopers.com/jobs/ext/3870175-systems-administrator-3-nhk-007). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Systems Administrator 3 (NHK - 007)

- **Company:** Sagecor Solutions LLC
- **Location:** Annapolis Junction, MD, United States
- **Contract:** Permanent contract
- **Skills:** Data Analysis, Systems Engineering, Confluence, JIRA, Bash Shell, Ubuntu (Operating System), CentOS, Information Systems, Linux, File Systems, InfiniBand, Nagios, Red Hat Enterprise Linux, Ansible, Prometheus, SUSE Linux Enterprise Servers, Transmission Control Protocol (TCP), Weka, Network Routers, Grafana, Juniper, Git, Information Technology, Slurm, Cisco
- **Published:** October 22, 2026
- **Apply:** https://www.careerbuilder.com/job-details/systems-administrator-3-nhk-007-annapolis-junction-md--cf742a77-2361-4c29-9b3a-e4ce456ae72f

## About the Role

Systems Administration/Management, Systems Engineering, Data Analysis, Information Technology & Information Systems, Leading Edge Technology, Top Secret Clearance, Sensitive Compartmented Information (SCI), Red Hat Linux Operating System, Linux Operating System, CentOS, 10 YOE & B.S. or 15 YOE - IAT II, * Strictly Linux (RHEL, CentOS, Rocky, SLES, Ubuntu [new])

 * OS install, file system configuration, TCP/IP networking, configuration, operating system and application troubleshooting, BASH scripting, software compilation and install
 * Understanding of HPC architecture, knowledge about high-speed networks such as InfiniBand, Slingshot
 * Familiarity with Jira, Confluence, Grafana, Prometheus, Nagios, Slurm, git, Salt, Ansible
 * Good troubleshooting skills - each system is slightly different and there's no "one fix" for a particular problem
Storage Fabric/Networking (focus areas in addition to above):

 * Lustre file system configuration and administration, troubleshooting knowledge
 * Experience with DDN Exascaler file system appliances
 * TCP/IP networking knowledge, specifically storage fabrics
Routers/switches: Cisco and Juniper - Arista also starting to be incorporated

 * Genuine curiosity/proactive effort to learn/grow in what comes next: E1000s, ESNs, DAOS, Weka
 * Experience with benchmarking tools (e.g. IOR, iperf, FIO, lnet_selftest)