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AMERICAN SYSTEMS · 13 hours ago

Tier II Linux Systems Administrator (HPC) - Top Secret Clearance w/SCI eligibility

Arlington, VA

Full-time

Onsite

Mid, Senior Level

$92K/yr - $153K/yr

5+ years exp

AMERICAN SYSTEMS is a 100% employee-owned federal government contractor seeking a Tier II Linux Systems Administrator to support a classified High-Performance Computing (HPC) environment. The role involves providing Linux systems administration support, maintaining HPC environments, and ensuring the reliability of systems while collaborating with senior administrators.

GovernmentInformation Technology

Comp. & Benefits

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

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

Qualification

Linux administrationHPC environmentsScripting (BASH/Python)VMware vSphereRMF knowledgeDoD 8140 IAT Level IIRHCSA/RHCE certificationCustomer serviceTroubleshootingTicket triageTeam collaboration