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Linux System Administrator Specialist Jobs (NOW HIRING)

Vets Hired

Linux System Administrator

Clarksburg, WV · On-site

$100 - $125/hr

Job Summary The Linux System Administrator (Intermediate-Level) is responsible for operating, maintaining, troubleshooting, securing, and supporting enterprise Linux-based systems and infrastructure.

MANTECH

Linux System Administrator

Laurel, MD · On-site

MANTECH seeks a motivated, career and customer-oriented Linux System Administrator to join our team in Laurel, MD. You will be part of a dedicated team delivering enterprise infrastructure ...

MANTECH

Linux System Administrator

Laurel, MD · On-site

MANTECH seeks a motivated, career and customer-oriented Linux System Administrator to join our team in Laurel, MD. You will be part of a dedicated team delivering enterprise infrastructure ...

Nakupuna Companies

Linux System Administrator

Fort Knox, KY · On-site

$100 - $125/hr

Overview Nakupuna Companies is seeking a highly skilled Linux System Administrator to support the U.S. Army Human Resources Command (HRC). This role is vital for maintaining, securing, and optimizing ...

BAE Systems

Linux System Administrator

Vicksburg, MS · On-site

BAE Systems is seeking Linux Administrators to support a team of administrators with standard Linux system administration duties at ERDC in Vicksburg, Mississippi. The selected candidate will perform ...

Zachary Piper Solutions

$100 - $125/hr

Zachary Piper Solutions is seeking a Windows & Linux System Administrator to support a company focused on Research, Development, Test, and Evaluation (RDT&E) network operations and secure defense ...

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Linux System Administrator Specialist information

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How much do linux system administrator specialist jobs pay per hour?

As of Sep 9, 2026, the average hourly pay for linux system administrator specialist in the United States is $51.96, according to ZipRecruiter salary data. Most workers in this role earn between $41.11 and $62.50 per hour, depending on experience, location, and employer.

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For Linux System Administrator Specialist jobs, the most frequently searched job titles are:

Infographic showing various Linux System Administrator Specialist job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 12% Part Time, and 3% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $108,079 per year, or $52 per hour.

Linux System Administrator

Clarksburg, WV • On-site

Vets Hired
Recruiting and Staffing Services • 51 - 200 employees
Learn more about Vets Hiredexternal

$100 - $125/hr

Other

Posted 10 days ago

Job description

Job Summary

The Linux System Administrator (Intermediate-Level) is responsible for operating, maintaining, troubleshooting, securing, and supporting enterprise Linux-based systems and infrastructure. The role focuses on system availability, performance, cybersecurity compliance, vulnerability remediation, automation, backups, disaster recovery, virtualization, and infrastructure modernization within a secure enterprise environment.

Key Responsibilities
  • Monitor system performance, availability, and security.
  • Identify and resolve system issues to maintain operational readiness.
  • Install, configure, patch, and upgrade Linux operating systems, applications, and services.
  • Harden Linux systems according to DoD STIGs and cybersecurity requirements.
  • Manage user accounts, permissions, authentication, and access controls.
  • Configure and maintain DNS, DHCP, NTP, LDAP, SSH, web services, and file-sharing services.
  • Troubleshoot complex system, application, network, and performance issues.
  • Analyze security scan results and perform vulnerability remediation.
  • Develop automation solutions using Bash, Ansible, and configuration-management tools.
  • Perform system backups, disaster recovery, and continuity-of-operations activities.
  • Support virtualization and cloud infrastructure, including VMware and Red Hat Virtualization.
  • Collaborate with cybersecurity, networking, and engineering teams.
  • Maintain compliance with DoD, Army, and organizational security requirements.
  • Support infrastructure modernization, technology testing, and system improvements.
  • Participate in incident response, root-cause analysis, and after-action reporting.
  • Provide technical guidance and mentorship to junior administrators and support personnel.
Required Qualifications
  • U.S. Citizen with an active DoD Secret Clearance.
  • DoD 8570/8140 IAT Level II certification, such as Security+ CE, SSCP, GSEC, or equivalent.
  • Minimum 3 years of relevant IT experience with hands-on Red Hat Enterprise Linux (RHEL) or derivative distributions.
  • Experience writing, maintaining, and troubleshooting Bash scripts.
  • Experience installing, configuring, patching, and maintaining Linux operating systems and enterprise services.
  • Experience troubleshooting Linux operating systems, applications, and performance issues.
  • Knowledge of Linux user accounts, permissions, file systems, processes, and system logging.
  • Ability to work independently and adapt to changing requirements.
  • Strong technical writing and documentation skills.
  • Experience creating and maintaining technical procedures and system diagrams.
  • Strong analytical, problem-solving, and communication skills.
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