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AMERICAN SYSTEMS · 1 week ago

Linux Systems Administrator, Senior

US-IN-Crane

Full-time

Onsite

Senior Level

5+ years exp

AMERICAN SYSTEMS is a 100% employee-owned federal government contractor seeking a Senior Linux Systems Administrator with an active Top Secret clearance to support a mission-critical classified program at Naval Surface Warfare Center Crane Division, IN. This role involves administering and supporting Red Hat Linux systems in a classified environment, monitoring system performance, and collaborating with cybersecurity teams to maintain compliance.

GovernmentInformation Technology

Comp. & Benefits

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Administer and support Red Hat Linux systems in a classified, closed enclave

Provide Tier II operational support for production and development environments

Monitor system performance, storage capacity, and availability

Review logs, validate backups, and support recovery operations

Develop and maintain scripts using BASH and Python

Manage users, groups, permissions, and local repositories per RMF requirements

Support secure data transfers and automation workflows

Author and maintain SOPs, SCTMs, and RMF documentation

Collaborate with cybersecurity teams to maintain compliance

Coordinate with geographically separated partner sites

Recommend system, process, and architecture improvements

Mentor junior administrators and support team development

Qualification

Red Hat LinuxLinux systems administrationBASH scriptingPython scriptingAnsibleContainerizationVMware vSpherePostgreSQLOperational supportMentoringCollaborationDocumentation