Tier II Linux Systems Administrator; HPC - Top Secret Clearance w/SCI eligibility
Job in
Arlington, Arlington County, Virginia, 22204, USA
Listed on 2026-02-16
Listing for:
AMERICAN SYSTEMS
Full Time
position Listed on 2026-02-16
Job specializations:
-
IT/Tech
IT Support, Systems Administrator, Cybersecurity, Systems Engineer
Job Description & How to Apply Below
Overview:
Please make sure you read the following details carefully before making any applications.
AMERICAN SYSTEMS, a 100% employee-owned federal government contractor, is seeking a Tier II Linux Systems Administrator to support a classified High-Performance Computing (HPC) environment in Arlington, VA.
Are you an experienced Linux administrator with strong system fundamentals 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!
Responsibilities:
As a Tier II Linux Systems Administrator with AMERICAN SYSTEMS supporting HPC environments, you will have the opportunity to do the following:
Provide Tier II Linux systems administration support for HPC users with professional, responsive customer service
Support day-to-day operations and maintenance of HPC compute, storage, and networking environments
Assist senior system administrators in optimizing hardware and software performance
Ensure availability, integrity, and reliability of servers, workstations, and data storage systems, including Lustre and Bright Cluster
Administer and manage Linux user accounts, groups, and permissions
Triage Tier I/II service desk tickets and produce basic service metrics and reports
Support installation, configuration, and testing of HPC system components, including compute servers, storage systems, networking equipment, and peripherals
Assist with Linux server configuration, backup operations, and security-related tasks
Perform hardware replacements not covered by vendor maintenance agreements
Assist network personnel with equipment configuration, firewall support, and network security activities
Implement program security requirements and comply with RMF controls
Adhere to all IT policies, processes, and procedures
Manage changing priorities in a fast-paced, mission-driven environment
#hotjobs
Qualifications:
Required Qualifications
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
Technical Requirements
Hands-on Linux administration 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
Certifications
Current DoD 8140 IAT Level II certification (Security+ CE or equivalent)
Current RHCSA / RHCE certification or ability to obtain within 6 months of hire
Beneficial Experience /
Qualifications:
Exposure to high-performance computing, research, or lab-based environments
Familiarity with distributed storage or cluster management tools;
Lustre or Bright Cluster experience is a plus
Exposure to automation, containerization, or orchestration tools such as Ansible, Docker/Podman, or Kubernetes
Familiarity with databases such as PostgreSQL
Experience supporting GPU-enabled systems or AI/ML toolsets (CUDA, Tensor Flow)
AMS1
Pay Transparency Statement: AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. xrlwcon The salary range for this position is USD $91,600.00/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. EEO Statement: EEO Race/Sex/Disability Status/Veteran Status
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