Linux Systems Administrator Tier 1 & 2 (HPC)
$120k - $150kAmerican Systems
US-TX-Dallas ID
2026-4557 Category
IT / Cyber Security / Network Systems Position Type
Full-Time Remote
No Clearance Required
Top Secret/SCI Overview
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 .
Are you an experienced Linux administrator with strong command line experience wanting to expand your skillset into HPC environments ? If so, this role is for you! 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!
ResponsibilitiesAs a Linux Systems Administrator with AMERICAN SYSTEMS supporting HPC environments , you will have the opportunity to do the following:
- 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
- U.S. citizenship required
- Active Top Secret clearance with SCI eligibility
- Bachelor's degree in a STEM discipline or equivalent relevant experience in lieu of degree
- 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
Technical Requirements
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
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