Systems Administrator 3 (NHK - 007)

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)

Serving Maryland and the Greater Washington D.C. area, SageCor Solutions (SageCor) is a growing company bringing complete engineering services and true full lifecycle System Engineering services to areas requiring (or desiring) nationally-recognized expertise in high performance computing, large data analytics and cutting edge information technologies.