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Linux System Administrator Security Clearance Jobs

ABB Optical Group

Linux System Administrator

$83K - $130K/yr

Linux System Administrator JOB RESPONSIBILITIES Summary: The Linux System Administrator is ... Perform routine system tuning, patching, and security updates on Linux and AIX platforms. * Develop ...

ABB OPTICAL Group

Linux System Administrator

$83K - $130K/yr

Linux System Administrator JOB RESPONSIBILITIES Summary: The Linux System Administrator is ... Perform routine system tuning, patching, and security updates on Linux and AIX platforms. * Develop ...

BAE Systems

Linux System Administrator

Vicksburg, MS · On-site

BAE Systems is seeking Linux Administrators to support a team of administrators with standard Linux ... security clearance and ability to maintain DoD 8570 certification - Security + and OS cert, Linux ...

BAE Systems

Linux System Administrator

Vicksburg, MS

BAE Systems is seeking Linux Administrators to support a team of administrators with standard Linux ... security clearance and ability to maintain DoD 8570 certification - Security + and OS cert, Linux ...

Leidos

Linux System Administrator

Huntsville, AL · On-site

$92K - $166K/yr

Leidos-Dynetics, within our Corporate Information Security Office (CISO and reporting through our ... Clearance: You must hold a current Top Secret clearance to qualify for consideration. What We Value ...

TIER4 GROUP

Linux System Administrator

Natick, MA · Hybrid

Manage and maintain 1000+ Unix/Linux cases across the organization, ensuring operational efficiency and security compliance. * Serve as the primary Systems Administrator for Linux Endpoints ...

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How much do linux system administrator security clearance jobs pay per hour?

As of Jun 10, 2026, the average hourly pay for linux system administrator security clearance 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 are the key skills and qualifications needed to thrive as a Linux System Administrator with Security Clearance, and why are they important?

To thrive as a Linux System Administrator with Security Clearance, you need deep expertise in Linux operating systems, networking, and cybersecurity principles, often supported by a relevant degree and active security clearance. Familiarity with tools like Red Hat, Ubuntu, scripting languages (such as Bash or Python), and security frameworks, as well as certifications like CompTIA Security+ or Red Hat Certified System Administrator (RHCSA), is typically required. Attention to detail, problem-solving skills, and the ability to communicate complex technical information clearly are standout soft skills in this role. These skills ensure secure, reliable system operations and compliance with strict security protocols in sensitive environments.

What is a Linux System Administrator with Security Clearance?

A Linux System Administrator with Security Clearance is a professional responsible for managing, maintaining, and securing Linux-based computer systems within organizations that require access to sensitive or classified information. In addition to standard system administration tasks such as installing updates, monitoring performance, and troubleshooting, this role requires the individual to hold a security clearance. This means they have undergone background checks and been authorized to handle information vital to national security or confidential business operations.

How does holding a security clearance impact the daily responsibilities of a Linux System Administrator?

Holding a security clearance as a Linux System Administrator means you'll frequently handle sensitive or classified information and must adhere to strict government or organizational security protocols. This often involves additional responsibilities such as implementing and monitoring security controls, conducting regular system audits, and ensuring compliance with specific standards (like NIST or DISA STIGs). You'll also collaborate closely with security teams and may be required to document all changes and access to systems meticulously. While this adds complexity, it also provides valuable experience in high-security environments and can open doors to advanced roles in cybersecurity.

What is the difference between Linux System Administrator Security Clearance vs Network Security Specialist?

AspectLinux System Administrator Security ClearanceNetwork Security Specialist
Required CertificationsLinux certifications (e.g., LPIC, RHCE), Security ClearanceCompTIA Security+, CISSP, CEH
Work EnvironmentData centers, government agencies, military facilitiesCorporate offices, cybersecurity firms, government agencies
Employer & Industry UsagePrimarily government, defense, and tech companiesPrivate sector, cybersecurity firms, government agencies
Common Search & Comparison IntentUnderstanding security clearance requirements for Linux admin rolesComparing cybersecurity roles and certifications

The Linux System Administrator Security Clearance focuses on managing Linux systems within secure environments, often requiring security clearance. In contrast, a Network Security Specialist specializes in protecting network infrastructure, often with different certifications like CISSP. Both roles are vital in cybersecurity but differ in their focus areas and typical work environments.

Infographic showing various Linux System Administrator Security Clearance job openings in the United States as of June 2026, with employment types broken down into 2% As Needed, 97% Full Time, and 1% Temporary. Highlights an 95% Physical, 2% Hybrid, and 3% Remote job distribution, with an average salary of $108,079 per year, or $52 per hour.
Sr Linux System Administrator-TS/SCI with FS Poly with Security Clearance

Sr Linux System Administrator-TS/SCI with FS Poly with Security Clearance

Inferno Systems

Chantilly, VA

Other

Posted 19 days ago

Job description

LINUX SYSTEM ADMINISTRATOR: Expert Level
Location: Chantilly, VA US
Security Clearance Requirement: TS/SCI with Full Scope Polygraph
Clearance Status: Must be Current JOB DESCRIPTION:
Inferno Systems is currently looking to hire individuals for our Linux System Administrator positions. Candidates should have a preferred minimum of 7+ years as a network engineer/system admin. Candidates with fewer years of experience will be considered on a case-by-case basis, depending on technical skill level. JOB SUMMARY:
This position will require a solid understanding of Linux administration as you help design, build and test new systems employed by our customer to support ongoing operations. You will be taking and managing requirements between developers and engineers in Technical Exchange Meetings (TEMs) You will function as a Linux systems SME to help them design a system that both meets operational requirements and system security plans. Successful candidates will know how to install, configure, and maintain Linux operating systems. They will analyze and resolve problems associated with the operating system's servers, hardware, applications and software. REQUIRED SKILLS:
• Experience as a Linux Systems Administrator
• Experience operating in a virtual environment such as VMware vSphere / ESXi, or KVM
• Experience integrating LDAP with Windows Active Directory (AD)
• Strong customer service and technical writing skills
• Proficient in at least one scripting language such as Python, Perl and/or Bash.
• Solid understanding of Linux logging, network traffic analysis, SPLUNK, network traffic redirection (i.e. iptables).
• Familiarity with web proxies (iptables, mod_proxy, digital certificates, etc.), common web servers (i.e. Apache, NGINX), SSL certificates, and DNS records.
• Understanding of Linux operating systems (e.g. Centos, Ubuntu, Fedora, Scientific Linux, Debian, etc.) and the ability to research the latest technological developments in the relevant operating systems to identify impact and anticipate changes to the organization's operating environment.
• Experience monitoring network activity and network traffic redirection.
• Experience in the design, implementation, procurement, tradecraft, or maintenance of various layers of network infrastructure.
• Candidate must be organized, detail-orientated, a team player, and willing/eager to learn. DESIRED SKILLS
• Experience with Windows and network administration
• Experience with Apache Solr
• Experience with installing, configuring and maintaining physical server hardware

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