L2 NOC Linux/Unix Systems Administrator

Unisys

. Administer Linux/Unix development, test, and production servers, including reloading, re-imaging, patching, configuration, and shell-level maintenance .

Posted 10/23/2026full-timeRemote • Pennsylvania • United StatesJuniorMid-LevelWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Linux/Unix server administration, troubleshooting, and maintenance, with a focus on proactive system monitoring and operational compliance. Capable of creating documentation and training materials while supporting 24×7 operations.

Highest-signal resume keywords

Linux/Unix Server AdministrationTroubleshooting Linux/Unix IssuesSystem Monitoring and PerformanceRoot Cause AnalysisTraining and Documentation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Linux/Unix AdministrationTroubleshootingSystem MonitoringPackage Management (yum, apt, rpm)Configuration Management

Soft Skills

Problem SolvingCommunicationTraining

Industry Keywords

Operational ComplianceSystem Evaluation24×7 OperationsU.S. Government Authorization

Tech Stack

Tools & technologies

LinuxUnix

About the role

Key responsibilities & impact

Administer Linux/Unix development, test, and production servers, including reloading, re-imaging, patching, configuration, and shell-level maintenance
Diagnose and resolve complex Linux/Unix OS, service, and connectivity issues
Perform daily monitoring of Linux/Unix systems, services, and performance, and initiate proactive remediation
Install, remove, and upgrade Linux/Unix packages using native package managers such as yum, apt, and rpm
Own Level 2 Linux/Unix-related tickets through resolution, including root cause analysis
Provide system evaluation reports and contribute to operational recommendations for Linux/Unix environments
Update system records, ensure licensing compliance, and maintain accurate configuration data for Linux/Unix assets
Create runbooks and how-to guides
Train Level 1 analysts on Linux/Unix procedures

Requirements

What you’ll need

BA/BS degree and 2–4 years of relevant experience OR equivalent combination
Strong experience with Linux/Unix troubleshooting and server administration
Ability to support 24×7 operations and rotating shifts
U.S. Citizenship and U.S. residency required
Applicant should be eligible for any required U.S. Government authorizations for access to export-controlled commodities and technology