Systems Administrator 2 (NHK - 012)

SageCor Solutions • Annapolis Junction, MD

9d

About The Position

SageCor Solutions is hiring a Systems Administrator 2 to support systems serving Maryland and the Greater Washington, D.C. area. The role focuses on Linux administration in high-performance computing environments, including operating system installation and configuration, networking, troubleshooting, scripting, and software installation. Additional focus areas include storage fabric and networking, Lustre administration, DDN Exascaler appliances, and performance benchmarking. An active TS/SCI clearance with polygraph is required.

Requirements

• Active TS/SCI clearance with polygraph.
• Five years of experience and a bachelor's degree, or ten years of experience; IAT II qualification.
• Linux administration experience with RHEL, CentOS, Rocky, SLES, or Ubuntu.
• Experience with operating system installation, file system configuration, TCP/IP networking, operating system and application troubleshooting, BASH scripting, and software compilation and installation.
• Understanding of HPC architecture and high-speed networks such as InfiniBand and Slingshot.
• Familiarity with Jira, Confluence, Grafana, Prometheus, Nagios, Slurm, git, Salt, and Ansible.
• Strong troubleshooting skills and adaptability to differences between systems.
• Knowledge of Lustre file system configuration, administration, and troubleshooting.
• Experience with DDN Exascaler file system appliances.
• TCP/IP networking knowledge, particularly for storage fabrics.
• Experience with Cisco and Juniper routers and switches; Arista is also being incorporated.
• Experience with benchmarking tools such as IOR, iperf, FIO, and lnet_selftest.

Nice To Haves

• Curiosity and proactive interest in learning emerging technologies such as E1000s, ESNs, DAOS, and Weka.

Responsibilities

• Install and configure Linux operating systems and file systems.
• Configure TCP/IP networking and troubleshoot operating systems and applications.
• Write BASH scripts and compile and install software.
• Support high-performance computing architectures and high-speed networks.
• Configure, administer, and troubleshoot Lustre file systems and storage fabrics.
• Work with DDN Exascaler file system appliances and network equipment.
• Use benchmarking tools to assess system and storage performance.
• Learn and grow familiarity with emerging technologies such as E1000s, ESNs, DAOS, and Weka.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level