Provide Tier 1 and 2 Linux systems administration support for HPC users
Support daily operations of HPC compute, storage, and network environments
Maintain Linux servers, workstations, and storage systems, including Lustre and Bright Cluster Manager
Administer user accounts, groups, and permissions
Triage service tickets and produce basic service metrics and reports
Support installation, configuration, testing, troubleshooting, backups, and security for HPC hardware and software
Perform hardware break/fix and assist with network, firewall, and security activities
Support RMF requirements and follow IT policies, processes, and procedures in a mission-driven environment

Active Top Secret clearance with SCI eligibility
U.S. citizenship required
Bachelor’s degree in a STEM discipline or equivalent relevant experience
5–7 years of Red Hat Enterprise Linux systems administration experience in production environments
Experience providing Tier I or Tier II operational support, including troubleshooting and ticket triage
Current DoD 8140 IAT Level II certification (Security+ CE or equivalent)
Current RHCSA / RHCE certification or ability to obtain within 6 months of hire
Hands-on experience, including user management, permissions, services, and system monitoring
Scripting experience using BASH (or Python) for system administration tasks
Experience supporting VMware vSphere environments
Working knowledge of RMF and Linux system hardening

Linux Systems Administrator, Tier 1 & 2 – HPC

Key skills