Systems Administrator 2 (NHK - 011)

About the role

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.

Requirements

• Active TS/SCI with Polygraph
• 5 years of experience with a B.S. degree, or 10 years of experience without a degree
• IAT Level II certification

Required Skills

• Linux administration (RHEL, CentOS, Rocky, SLES, Ubuntu): OS installation, file system configuration, TCP/IP networking, operating system and application troubleshooting
• BASH scripting
• Software compilation and installation
• Understanding of HPC architecture
• Knowledge of high-speed networks such as InfiniBand and Slingshot
• Strong troubleshooting skills — each system is slightly different and there is no "one fix" for a particular problem

Storage Fabric & Networking (focus areas)

• Lustre file system configuration, administration, and troubleshooting
• Experience with DDN Exascaler file system appliances
• TCP/IP networking knowledge, specifically storage fabrics
• Routers and switches: Cisco and Juniper; Arista also being incorporated

Tools & Technologies

• Jira, Confluence
• Grafana, Prometheus, Nagios
• Slurm
• Git
• Salt, Ansible

Additional Qualifications

• Genuine curiosity and proactive effort to learn emerging technologies: E1000s, ESNs, DAOS, Weka
• Experience with benchmarking tools (e.g., IOR, iperf, FIO, lnet_selftest)