Tier II Linux Systems Administrator – HPC, Top Secret Clearance
AMERICAN SYSTEMS
full-time
Posted on:
Location Type: Office
Location: Arlington • Virginia • 🇺🇸 United States
Visit company websiteSalary
💰 $91,600 - $153,000 per year
Job Level
Mid-LevelSenior
Tech Stack
LinuxPythonVMware
About the role
- 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
- 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
Requirements
- 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 Linux systems administration experience in production environments
- Experience providing Tier I or Tier II operational support, including troubleshooting and ticket triage
- 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
- Current DoD 8140 IAT Level II certification (Security+ CE or equivalent)
- Current RHCSA/RHCE certification or ability to obtain within 6 months of hire
Benefits
- Healthcare benefits
- Paid leave
- Retirement plans
- Insurance programs
- Education and training assistance
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
Linux systems administrationHPC supportUser managementPermissions managementScripting (BASH, Python)VMware vSphereSystem monitoringSystem configurationBackup operationsNetwork security
Soft skills
Customer serviceProblem-solvingCommunicationAdaptabilityTeam collaborationTime managementAttention to detailOrganizational skillsPrioritizationResponsiveness
Certifications
Top Secret clearanceDoD 8140 IAT Level II (Security+ CE or equivalent)RHCSARHCE