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Linux System Administrator Freelance Jobs in Colorado

TEKsystems

Linux Systems Engineer

Denver, CO

$55 - $65/hr

Linux Systems Administrator (Enterprise Infrastructure) Location: Boulder, CO (Hybrid/Onsite - details available upon request) Contract Details: 6 month(s) Company Overview Our client is a well ...

TEKsystems

Linux Systems Engineer

Boulder, CO

$55 - $65/hr

Linux Systems Administrator (Enterprise Infrastructure) Location: Boulder, CO (Hybrid/Onsite - details available upon request) Contract Details: 6 month(s) Company Overview Our client is a well ...

Cymertek Corporation

System Administrator

Aurora, CO · On-site

Cymertek Corporation is seeking a proactive and detail-oriented System Administrator to join their ... Linux systems • Experience with cloud-based systems management • Familiarity with ...

Cymertek Corporation

System Administrator

Aurora, CO · On-site

They are seeking a proactive and detail-oriented System Administrator to manage servers, networks ... Linux systems • Experience with cloud-based systems management • Familiarity with ...

Cymertek Corporation

System Administrator

Aurora, CO · On-site

They are seeking a proactive and detail-oriented System Administrator to maintain the stability ... Linux systems • Experience with cloud-based systems management • Familiarity with ...

Cymertek

System Administrator

Aurora, CO · On-site

System Administrator LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this ... Proficiency with Windows and Linux systems * Experience with cloud-based systems management

DCCA

System Administrator

Denver, CO · On-site

The System Administrator role involves deploying and configuring systems, managing security, and ... Responsibilities : • System Deployment and configuration for RHEL7/8 and SuSE Linux • System ...

Strive Health

System Administrator

Denver, CO · On-site

$85K - $104K/yr

What You'll Do As a Systems Administrator, you will play a vital role in supporting the ... Manages Linux OS, Mac OS and Windows devices in an enterprise remote environment. * Provide ...

Everwatch

System Adminstrator

Aurora, CO · On-site

$72.12 - $110.58/hr

As a system administrator on our team, you'll constantly look for ways to make the infrastructure ... Experience with operating systems such as Windows, Linux, or macOS and server administration

Everwatch

System Adminstrator

Aurora, CO

$72.12 - $110.58/hr

As a system administrator on our team, you'll constantly look for ways to make the infrastructure ... Experience with operating systems such as Windows, Linux, or macOS and server administration

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Linux System Administrator Freelance information

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

As of Aug 24, 2026, the average hourly pay for linux system administrator freelance in Colorado is $54.64, according to ZipRecruiter salary data. Most workers in this role earn between $43.22 and $65.72 per hour, depending on experience, location, and employer.

What does a freelance Linux system administrator do?

Linxus is a software system that provides an area to develop and run applications related to the security of technology information. As a freelance Linux system administrator, you work under contract and have responsibilities that cover the entire process. Your duties include designing the infrastructure, implementing new programs and updates, monitoring the network, ensuring the platform is compatible with user equipment, and collaborating with others on system strategies. A freelance administrator can work from home or travel to a business until the project is complete.

What does a freelance Linux system administrator do?

A freelance Linux System Administrator is an IT professional who manages, configures, and maintains Linux-based servers and systems for clients on a contract or project basis. Their responsibilities include installing software, monitoring system performance, ensuring security, troubleshooting issues, and performing regular backups. Working as a freelancer, they often support multiple clients remotely, providing flexible and specialized Linux administration services tailored to different business needs.

What are the key skills and qualifications needed to thrive as a freelance Linux system administrator?

A successful Linux System Administrator Freelance should have strong expertise in Linux operating systems, networking, scripting (such as Bash or Python), and a solid understanding of server security, often supported by a degree in computer science or relevant certifications like RHCSA or CompTIA Linux+. Familiarity with tools such as Ansible, Docker, and cloud platforms (AWS, Azure) is typically required for managing and automating systems. Excellent problem-solving skills, communication, and the ability to work independently are crucial soft skills for freelancers. These competencies ensure reliable system performance, client satisfaction, and the ability to adapt to diverse technical environments.

What are some common challenges faced by freelance Linux system administrators when managing multiple clients?

Freelance Linux System Administrators often juggle several clients at once, each with their own unique systems, security policies, and expectations. This can make it challenging to prioritize tasks, keep documentation organized, and ensure all environments are secure and up-to-date. Effective time management, clear communication, and robust tracking tools are essential for staying on top of updates, troubleshooting requests, and coordinating with client teams. Additionally, freelancers need to be proactive in learning about new technologies and best practices to offer valuable, up-to-date solutions.

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

AspectLinux System Administrator FreelanceLinux System Administrator
CredentialsCertifications like Linux+, RHCSA, or LPIC often preferred; self-taught skills also commonSimilar certifications required; often employed with companies or government agencies
Work EnvironmentRemote, flexible projects for multiple clientsTypically in-house or remote with a single employer
Employer & IndustryIndependent contractors serving various industriesFull-time employee in IT or tech departments
Work ScopeProject-based, varied tasks, client-specificOngoing system management, maintenance, and support

In summary, a Linux System Administrator Freelance works independently on diverse projects for multiple clients, often remotely, while a Linux System Administrator employed by a company handles ongoing system management within a fixed organization. Both roles require similar certifications and technical skills but differ mainly in work environment and scope.

Are Linux System Administrators Freelance in high demand?

Linux System Administrators working as freelancers are in high demand due to the widespread use of Linux servers, cloud computing, and open-source environments. Skills in scripting, security, and cloud platforms like AWS or Azure increase employability, and many organizations seek flexible, remote IT professionals for system management tasks.

How much do Linux system administrators freelance make?

Freelance Linux system administrators typically earn between $30 and $100 per hour, depending on experience, certifications, and project complexity. Annual income can vary widely, often ranging from $50,000 to over $120,000 for experienced professionals working on complex or long-term projects.

Is a Linux System Administrator freelance a good career?

A freelance Linux System Administrator can have a flexible schedule and the opportunity to work on diverse projects, often requiring skills in scripting, networking, and security. However, it may involve inconsistent income and the need for self-marketing and client management. Success depends on experience, reputation, and the ability to stay current with evolving Linux technologies.
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Linux System Administrator Freelance jobs near you

Senior Linux Systems Administrator with Security Clearance

Aurora, CO • On-site

Cornerstone Defense
Library and Information Services • 51 - 200 employees
Learn more about Cornerstone Defenseexternal

$125K - $145K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 29 days ago

Job description

Senior Linux Systems Administrator Aurora, CO Active TS/SCI with Poly Compensation Range: $125,000 - $145,000 Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation's toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense. Job Responsibilities: * Supporting a program in a classified environment as a Linux System Administrator. * Responsibilities include building, maintaining, and securing Information Technology systems and directly supporting customer mission-critical capabilities. * You will work closely with program developers and system engineers to research issues, determine root causes and implement solutions to system problems. * Must be able to support occasional after hour maintenance and on-call support and must be able to lift up to 35 pounds in support of hardware installations. * Occasional travel may be required for installation support. This position is an onsite role. Basic Qualifications: * Typically requires a Bachelor's degree and a minimum of 5 years of prior relevant experience or a master's degree and minimum of 3 years of prior relevant experience. * Active and transferable U.S. government issued TS/SCI with poly security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. * Must have an active DoD 8570 IAT Level 2 certification (or higher) on start date. IAT Level 2 requires one or more of the following Professional Certifications: Security+ CE, CCNA Security, GICSP, GSEC, SSCP, CySA+, CND. * Experience administering Red Hat Linux based systems with minimal support, to include patching, creating/maintaining RPM packages, performance tuning, networking, user management (LDAP), and security hardening Preferred Qualifications: * Using and developing with automation tools/frameworks such as Terraform, Ansible, and Chef as well as scripting - particularly in Bash and Python * Experience administering Windows based systems * Experience with pipeline tools such as Jenkins and Artifactory * Demonstrated ability to work independently and troubleshoot problems with efficiency * Deployment and administration of systems in Amazon WebServices (AWS) Company Benefits: Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.

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