Linux Systems Administrator Tier 1 & 2; HPC

AMERICAN SYSTEMS, a 100% employee‑owned federal government contractor, is seeking a Linux Systems Administrator with Tier 1 & 2 experience to support a classified High‑Performance Computing (HPC) environment in Dallas, TX.

This role is ideal for an experienced Linux administrator with strong system fundamentals who wants to expand their skillset into HPC environments. You will work alongside senior system administrators and engineers, receiving hands‑on exposure to HPC platforms, distributed storage, and advanced computing technologies while supporting secure, production Linux systems.

This position includes a $5,000 sign‑on bonus on top of a comprehensive compensation package.

• 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

The salary range for this position is USD $93,900.00/Yr.

- USD $/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.

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