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Linux Security Administrator Jobs (NOW HIRING)

MBS

Solaris / Linux Systems Administrator

Columbia, MO · On-site

$50K - $60K/yr

Administer, configure, maintain, and optimize Solaris and Linux server environments to ensure high ... Implement, maintain, and support system security controls, vulnerability remediation, and ...

Helion

System Security Administrator

Everett, WA · On-site

The System Security Administrator will maintain and manage system software and hardware, ensuring ... Responsibilities : • Manage Windows\Linux Servers and Microsoft 365 Administration - Ensure ...

E*Pro, Inc.

Linux Admin

Sterling, VA

Trouble-shoot hardware, software and network related problems. -Implement and administer archive ... Implement of FISMA IT Security Controls. Work with Linux security tools, including mod_security ...

Cypress HCM

Systems Adminstrator

Washington, DC

$50 - $60/hr

System Administrator Job Details * Location : Hybrid in Washington DC (Tuesdays/Thursday onsite ... Use various patch management tools to deploy Microsoft & Linux security updates. Linux Server ...

CompTech Computer Technologies

OR

Secret Security Clearance** Overview CompTech is seeking a Linux Administrator to support the Defense Logistics Agency (DLA) Enterprise Business (eBusiness) environment. This role is responsible for ...

Beth Page tech

Linux Administrator

Sunnyvale, CA · On-site

Linux Administrator Location : Sunnyvale, CA (On-site) Employment Type : Full-Time Reports To ... This hands-on role requires deep expertise in Linux systems administration, security, and ...

CompTech Computer Technologies

Linux Administrator

Secret Security Clearance** Overview CompTech is seeking a Linux Administrator to support the Defense Logistics Agency (DLA) Enterprise Business (eBusiness) environment. This role is responsible for ...

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Linux Security Administrator information

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$5

$48

How much do linux security administrator jobs pay per hour?

As of Jul 18, 2026, the average hourly pay for linux security administrator in the United States is $48.08, according to ZipRecruiter salary data. Most workers in this role earn between $48.08 and $48.08 per hour, depending on experience, location, and employer.

What are some common challenges faced by Linux Security Administrators in maintaining system security across diverse environments?

Linux Security Administrators often encounter challenges such as managing security updates across multiple distributions, ensuring consistent configuration in hybrid cloud and on-premises environments, and responding to emerging threats. They must balance proactive hardening measures with business needs to avoid disrupting operations. Collaboration with development, network, and compliance teams is key to implementing effective security controls and incident response procedures. Staying current with vulnerabilities and regulatory requirements is also essential for success in this role.

What is the difference between Linux Security Administrator vs Linux System Administrator?

AspectLinux Security AdministratorLinux System Administrator
Primary FocusSecurity management, vulnerability mitigation, access controlsSystem setup, maintenance, performance, and troubleshooting
CertificationsCompTIA Security+, CISSP, Linux Security certificationsCompTIA Linux+, LPIC-1, RHCSA
Work EnvironmentSecurity teams, cybersecurity departments, IT security firmsIT departments, data centers, enterprise networks
ResponsibilitiesImplementing security policies, monitoring threats, managing firewallsInstalling OS, configuring servers, managing user accounts

The Linux Security Administrator primarily focuses on protecting Linux systems from security threats, while the Linux System Administrator manages overall system operations and performance. Both roles require Linux certifications and often work within the same environments, but their core responsibilities differ significantly in scope and focus.

What does a Linux Security Administrator do?

A Linux Security Administrator is responsible for securing Linux-based systems and networks within an organization. This includes managing firewalls, monitoring for vulnerabilities, applying security patches, and responding to security incidents. They also develop and enforce security policies, perform regular audits, and ensure compliance with relevant regulations. Their work is crucial in protecting sensitive data and maintaining the integrity and availability of IT infrastructure.

What are the key skills and qualifications needed to thrive as a Linux Security Administrator, and why are they important?

To thrive as a Linux Security Administrator, you need a strong background in Linux system administration, network security, and an understanding of cybersecurity principles, often supported by a degree in computer science or related certifications like CompTIA Security+ or Red Hat Certified Engineer (RHCE). Familiarity with security tools such as SELinux, firewalls (iptables, nftables), intrusion detection systems (Snort, OSSEC), and scripting languages like Bash or Python is typically required. Analytical thinking, attention to detail, and effective communication are critical soft skills for proactively identifying vulnerabilities and collaborating with IT teams. These skills are essential for protecting systems against threats, ensuring compliance, and maintaining the integrity and availability of organizational data.
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Linux Security Administrator jobs near you
Infographic showing various Linux Security Administrator job openings in the United States as of July 2026, with employment types broken down into 1% As Needed, 85% Full Time, 11% Part Time, 1% Temporary, and 2% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $100,000 per year, or $48.1 per hour.

Linux System Administrator

Intuitive Research & Technology Corporation

Huntsville, AL

Full-time

Posted 3 days ago

Job description

INTUITIVE is a nationally recognized Best Place to Work that provides solutions from design through production to sustainment by delivering targeted results. Our approach couples the latest technology with engineering expertise and analytical proficiency while remaining true to genuine customer relationships and a culture that fosters growth and opportunity. Our diverse portfolio of capabilities and extensive customer base allows our employees countless opportunities to pursue their passions and support our nation's Warfighters. Join our team that encourages creativity, welcomes initiative, and seeks excellence. Start Building Your Future today!

We are seeking an experienced Linux professional to manage, maintain, and enhance our Linux-based infrastructure across classified and unclassified environments. This role involves administering Linux/UNIX servers and workstations in virtualized settings, overseeing system performance and security, and ensuring the reliability, scalability, and availability of all Linux systems. You will work on migrations from Solaris to Linux, troubleshoot issues across Linux and Windows servers, and manage NAS/SAN storage and virtualization technologies. The position requires strong scripting skills in Bash, Python, and Perl to support automation and tool development. Additional responsibilities include developing and maintaining Linux operating systems and related software, designing and improving tools for the Linux environment, performing backups and recovery operations, and documenting system configurations and updates.

Required

  • BS or BA degree
  • 3 years of related experience
  • Security+
  • Experience administering Linux servers (RHEL and Ubuntu preferred)
  • Strong understanding of Linux security and system administration
  • Experience with virtualization platforms such as VMware
  • Experience with enterprise backup solutions
  • Knowledge of networking fundamentals
  • Experience troubleshooting server and infrastructure issues
  • Ability to create clear technical documentation
  • Must have the ability to obtain or maintain a security clearance

Desired

  • GitLab administration
  • Docker
  • Okta
  • STIG hardening
  • VMware vSphere
  • Microsoft Active Directory
  • Government contractor or DoD experience
  • Experience supporting CMMC and NIST 800-171 environments
  • Scripting experience (Bash, PowerShell, or Python)

Disability Accommodation for Applicants - Intuitive Research and Technology Corporation is an Equal Employment Opportunity employer and provides reasonable accommodation for qualified individuals with disabilities and disabled veterans in its job application procedures. If you have any difficulty using our online system and you need an accommodation due to a disability, you may use the following alternative email address or phone number to contact us about your interest in employment at INTUITIVEhr@irtc-hq.comor 256-922-9300. Our process is to respond and to work with the requestor to identify a workable accommodation to the application process.

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