Linux Systems Administrator

AMERICAN SYSTEMS

. Provide support for enterprise-level Linux-based systems .

Posted 10/8/2026full-timePhoenix • Arizona • United StatesMid-LevelSenior💰 $61,324 - $95,680 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in managing and supporting enterprise-level Linux systems, particularly RHEL, while ensuring compliance with security standards and effective incident management. Proficient in using monitoring tools and scripting languages to enhance system performance and security.

Highest-signal resume keywords

Linux Operating System ManagementRHEL System AdministrationScripting Languages (Bash, Python)SolarWinds Orion and SplunkCompliance Audits and Critical Infrastructure Protection

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Linux Operating SystemRHEL AdministrationScripting (Bash, Python)Incident ManagementConfiguration ManagementPatch ManagementMonitoring ToolsCertificate ManagementCompliance StandardsChange Advisory Board Interface

Soft Skills

Problem-SolvingCritical ThinkingCommunicationInterpersonal SkillsTime Management

Tools & Technologies

SolarWinds OrionSplunkRedHat SatelliteIDMAnsible

Certifications & Qualifications

Bachelor's Degree in Computer Science or ITPublic Trust Clearance

Industry Keywords

Enterprise-Level SystemsCompliance AuditsCritical Infrastructure ProtectionFederal Information Security ActAir-Gapped Environment

Tech Stack

Tools & technologies

AnsibleLinuxPythonSplunk

About the role

Key responsibilities & impact

Provide support for enterprise-level Linux-based systems
Assist with installation, configuration, testing, and management of operating systems, hardware, and software
Assist in installing, upgrading, patching, managing, and monitoring mostly RHEL Linux systems
Configure, manage, upgrade, and patch RedHat Satellite servers and package repositories
Provide end-users and application users with support through incident management
Assist with compliance audits on production systems during patch cycles and interface with the Change Advisory Board as needed
Use SolarWinds Orion and Splunk for real-time monitoring and alerting
Assist with setting up IDM, Ansible, baseline OS images and locations, and MFA on RedHat Linux
Assist in addressing vulnerabilities identified through regular compliance scans
Assist in ensuring Critical Infrastructure Protection compliance for servers in an air-gapped environment
Provide legacy support for applications running on older RHEL versions
Assist with certificate management and deployment for services
Update Federal Information Security Act information for compliance

Requirements

What you’ll need

U.S. Citizen required
Bachelor's degree in computer science, Information Technology, or related field or equivalent work experience
Must be able to pass federal background investigation and obtain a Public Trust
Strong understanding of the Linux operating system, including the command line interface and basic networking concepts
Experience with scripting languages, such as Bash or Python
Ability to work in a fast-paced environment with shifting priorities
Excellent problem-solving and critical thinking skills
Strong communication and interpersonal skills
Detail-oriented with excellent time management and organizational skills
Must possess a valid state driver's license; may be required to travel between customer sites
Must be able to present acceptable identification for customer badging and site access, such as a REAL ID compliant driver license, U.S. Passport, or other approved document from the GSA Required Identification List

Benefits

Comp & perks

Healthcare benefits
Paid leave
Retirement plans
Insurance programs
Education and training assistance
Employee ownership