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Full Time Linux System Administrator Jobs (NOW HIRING)

Cymertek

Linux System Administrator

Chantilly, VA · On-site

Linux System Administrator LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a dedicated and skilled ...

NewGen

Linux System Administrator

Annapolis, MD · On-site

We are seeking a skilled and detail-oriented Linux System Administrator to join our Partner's IT infrastructure team. The ideal candidate will have strong experience managing enterprise Linux ...

CTC

Linux System Administrator- 3371464

Laurel, MD · On-site

$120K - $180K/yr

Direct hire full-time position * Competitive base salary and comprehensive benefits * Mid-size company with room for growth Position Title : Linux System Administrator Position Location : Laurel, MD ...

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 ...

CACI

Linux System Administrator

Sarasota, FL · On-site

Linux System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required:

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 ...

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Full Time Linux System Administrator information

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How much do full time linux system administrator jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for full time linux system administrator 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.

What is the difference between Full Time Linux System Administrator vs Linux Network Administrator?

AspectFull Time Linux System AdministratorLinux Network Administrator
CertificationsLinux+, LPIC-1, RHCSALinux+, LPIC-1, RHCSA
Work EnvironmentServer management, system maintenance, troubleshootingNetwork infrastructure, routing, switching, security
Employer & Industry UsageData centers, IT departments, hosting providersTelecom, enterprise networks, data centers

While both roles require Linux certifications and involve working with Linux systems, the Full Time Linux System Administrator focuses on managing servers, operating systems, and system performance. In contrast, the Linux Network Administrator specializes in network infrastructure, security, and connectivity. Both roles are essential in IT environments but differ in their primary focus areas.

What cities are hiring for Full Time Linux System Administrator jobs?

Cities with the most Full Time Linux System Administrator job openings:

What are the most commonly searched types of Linux System Administrator jobs?

The most popular types of Linux System Administrator jobs are:

What states have the most Full Time Linux System Administrator jobs?

States with the most job openings for Full Time Linux System Administrator jobs include:

Full Time Linux System Administrator jobs near you

Linux System Administrator

CDIT LLC

Annapolis Junction, MD • On-site

Full-time

Re-posted 28 days ago

Job description


CDIT is a technology solutions company supporting government and national security customers with secure, mission-focused IT solutions. We partner with highly skilled technical professionals to support complex environments where reliability, security, and operational excellence are critical. Our team values technical expertise, collaboration, and a commitment to supporting the missions of our customers.
CDIT is seeking an experienced Linux System Administrator to support a secure, mission-critical enterprise environment. This role will be responsible for the administration, maintenance, performance, and security of Linux-based infrastructure, with a focus on IBM Enterprise Storage, Veritas NetBackup, vulnerability management, system patching, and security compliance. The ideal candidate will bring strong hands-on Linux administration experience with the ability to troubleshoot complex infrastructure issues, optimize system performance, and support highly available environments.
Responsibilities
  • Administer, maintain, and optimize Linux-based systems in a production environment.
  • Manage and support IBM Enterprise Storage solutions, ensuring availability and performance.
  • Configure, monitor, and troubleshoot Veritas NetBackup for enterprise backup and recovery operations.
  • Perform system patching and package management using YUM repositories.
  • Execute and remediate vulnerability scans using Nessus, ensuring compliance with applicable security standards.
  • Support and maintain STE/STIN processes and environments.
  • Implement and maintain system security configurations, including applicable NSF frameworks and policies.
  • Perform routine system health checks and optimize performance, availability, access controls, and security.
  • Support system optimization, performance tuning, and capacity planning.
  • Proactively identify and troubleshoot potential system issues, risks, and operational roadblocks.
  • Collaborate with infrastructure, security, and technical teams on system upgrades, audits, incident response, and operational requirements.
  • Maintain system configurations, procedures, and compliance documentation.

Requirements
Required Skills & Qualifications
  • 3+ years of hands-on Linux System Administration experience with RHEL, CentOS, or similar.
  • Experience with IBM Enterprise Storage systems.
  • Strong knowledge of Veritas NetBackup administration.
  • Experience with Nessus vulnerability scanning and remediation.
  • Proficiency with YUM package management and system patching.
  • Familiarity with STE/STIN processes and NSF-related security frameworks.
  • Strong understanding of Linux security, system hardening, and compliance.
  • Strong troubleshooting and scripting skills using Bash, Python, or similar.
  • Active Top Secret clearance with Lifestyle Polygraph (LS Poly).
  • Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent professional experience.
Preferred Skills & Qualifications
  • Red Hat Certified System Administrator (RHCSA) or equivalent Linux certification.
  • Experience supporting enterprise environments with high availability and disaster recovery requirements.
  • Experience with automation tools such as Ansible or Puppet.
  • Exposure to cloud or hybrid infrastructure environments.
  • Experience with system performance tuning and capacity planning.
  • Experience supporting secure or classified enterprise environments.

Apply