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Linux System Administrator Security Clearance Jobs

Cymertek

Linux System Administrator

Honolulu, HI · On-site

Linux System Administrator LOCATION Honolulu, HI 96815 CLEARANCE TS/SCI Full Poly (Please note this ... Implement and maintain security updates * Create and maintain system documentation REQUIRED SKILLS

Cymertek

Linux System Administrator

Reston, VA · On-site

Linux System Administrator LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this ... Implement and maintain security updates * Create and maintain system documentation REQUIRED SKILLS

ASEC, Inc.

Linux System Adminstrator

Ridgecrest, CA · On-site

$110K - $140K/yr

Location: NAWS China Lake, CA Security Clearance Requirement: Top Secret Telework Eligible? No ... As a Linux System Administrator , you will be responsible for ensuring secure configurations ...

Cymertek

Linux System Administrator

Tysons, VA · On-site

Linux System Administrator LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this ... Implement and maintain security updates * Create and maintain system documentation REQUIRED SKILLS

ASEC

Linux System Adminstrator

Ridgecrest, CA · On-site

$110K - $140K/yr

NAWS China Lake, CA Security Clearance Requirement: Top Secret Telework Eligible? No, work will be ... As a Linux System Administrator , you will be responsible for ensuring secure configurations ...

Cymertek

Linux System Administrator

San Antonio, TX · On-site

Linux System Administrator LOCATION San Antonio, TX 78208 CLEARANCE TS/SCI Full Poly (Please note ... Implement and maintain security updates * Create and maintain system documentation REQUIRED SKILLS

Cymertek

Linux System Administrator

Aurora, CO · On-site

Linux System Administrator LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this ... Implement and maintain security updates * Create and maintain system documentation REQUIRED SKILLS

Cymertek

Linux System Administrator

Chantilly, VA · On-site

Linux System Administrator LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note ... Implement and maintain security updates * Create and maintain system documentation REQUIRED SKILLS

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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.

Linux System Administrator

Gigatec Engineering

Annapolis, MD • On-site

Full-time

Medical, Retirement

Posted 26 days ago

Job description

Perks and Benefits
  • 100% Paid Healthcare
  • 10% 401k in every paycheck
  • 100% Fully Vested!!!

NOTE - Our positions require a Top Secret clearance, as well as the favorable completion of a polygraph. Applicants must be authorized to work in the U.S. We are unable to sponsor an employment Visa.
What You'll Be Doing (We don't love the bullet points, but we love the work!)
As the Linux System Administrator, you'll get to be part of a team responsible for providing support for a large-scale Linux system including installation of COTS/GOTS/FOSS software, day-to-day operations, monitoring, and problem resolution for all the compute, network, memory, and storage system components. In addition, the System Administrator shall maintain the system's security posture, along with implementing operating systems enhancements to improve reliability and performance.Required Skills
  • Experience using the Linux CLI
  • Experience developing scripts using Bash/Python
  • Experience performing System Administration including installation, configuration, and support of COTS/GOTS/FOSS software in a large-scale Linux cluster environment
  • General technical knowledge regarding compute, network, memory, and storage system components
  • Experience with Red Hat Satellite systems management solution
  • Familiarity using Splunk for ingesting, indexing, searching, monitoring, and analyzing big data
  • Experience with the sustainment and support of large Linux clusters including day-to-day operations, monitoring and problem resolution
  • Experience with distributed files systems such as Weka, CEPH, GPFS, and HDFS
  • Experience configuring and sustaining VMware ESXi/Virtualization environments
  • Experience with IaC (Infrastructure as Code) automation tools e.g., SaltStack, Ansible
  • Experience with corporate STE/STN security compliance policies and procedures
  • Experience using system monitoring tools such as HPE One View and Nagios
  • Experience with containerization technologies such as Docker
Desired Skills
  • Experience with container orchestration technologies such as Kubernetes
  • Appreciates a sense of humor and the occasional well-timed joke
Requirements
  • Certifications: Security +
  • Fifteen (15) years' experience
  • Bachelors in Technical Discipline or an additional 5 years' experience

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