Linux Systems Administrator I

AMERICAN SYSTEMS

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

Posted 5/2/2026full-timePhoenix • Arizona • 🇺🇸 United StatesMid-LevelSenior💰 $61,324 - $122,862 per yearWebsite

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
Participate in information security, systems analysis, planning, monitoring, and system documentation activities
Assist in installing, upgrading, patching, managing, and monitoring Linux systems, mostly RHEL
Assist in configuring, managing, upgrading, and patching RedHat Satellite servers and package repositories
Provide end-users and application users with support through incident management
Learn and assist in performing compliance audits on production systems during the patch cycle
Leverage SolarWinds Orion and Splunk for real-time monitoring and alerting of responsible systems response
Assist in setting up IDM, Ansible, baseline OS image, Multi Factor Authentication (MFA) on RedHat Linux
Learn and assist in addressing vulnerabilities that are identified through regular compliance scans
Learn and assist in ensuring Critical Infrastructure Protection (CIP) compliance for servers in an air-gapped environment
Provide legacy support for older applications that run on older versions of RHEL
Assist in certificate management and deployment for services on responsible systems
Update Federal Information Security Act (FISMA) information for compliance

Requirements

What you’ll need

All candidates must be a U.S. Citizen
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
Must be able to present acceptable identification for customer badging and site access

Benefits

Comp & perks

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

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

LinuxRHELRedHat SatelliteAnsibleBashPythonMulti Factor Authenticationcompliance auditsincident managementcertificate management

Soft Skills

problem-solvingcritical thinkingcommunicationinterpersonal skillsdetail-orientedtime managementorganizational skillsability to work in fast-paced environmentadaptabilityprioritization

Certifications

Bachelor’s degree in computer scienceBachelor’s degree in Information TechnologyPublic Trust