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Linux System Administrator Freelance Jobs in Florida

Ascension Fed

Linux Systems Administrator

Melbourne, FL · On-site

$80 - $100/hr

We are seeking a skilled and motivated Linux Systems Administrator to join our IT team in Melbourne ... Monitor system performance and troubleshoot issues to ensure high availability. * Manage user ...

New

AMERICAN SYSTEMS

Linux Systems Administrator

Orlando, FL · On-site

$100K - $120K/yr

Are you a Linux systems Administrator with a Secret clearance looking to work with a team of driven ... Develop a user-based understanding of the system to support integration and test. * Participate in ...

AMERICAN SYSTEMS

Linux Systems Administrator

Orlando, FL · On-site

$100K - $120K/yr

Overview Are you a Linux systems Administrator with a Secret clearance looking to work with a team ... Develop a user-based understanding of the system to support integration and test. * Participate in ...

AMERICAN SYSTEMS

Linux Systems Administrator

Orlando, FL · On-site

$100 - $120/hr

Install and configure complex software packages on Red Hat Enterprise Linux and Windows. * Provide ... Develop a user-based understanding of the system to support integration and test. * Participate in ...

ValidaTek

Linux Administrator

Pensacola, FL · On-site

ValidaTek is seeking a reliable and highly skilled Linux Administrator to support the Cybersecurity Systems Support (CSS) contract with the Defense Information Systems Agency (DISA). This position is ...

ValidaTek, Inc.

Linux Administrator

Pensacola, FL · On-site

$75K - $140K/hr

ValidaTek is seeking a reliable and highly skilled Linux Administrator to support the Cybersecurity Systems Support (CSS) contract with the Defense Information Systems Agency (DISA). This position is ...

TEKsystems

System Adminstrator

Niceville, FL

$42 - $50/hr

The Systems Administrator will support approximately 100+ users and 15+ servers in a highly ... Candidates should possess hands-on experience administering Linux systems, managing VMware ...

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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 21, 2026, the average hourly pay for linux system administrator freelance in Florida is $38.83, according to ZipRecruiter salary data. Most workers in this role earn between $30.72 and $46.68 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.
More about Linux System Administrator Freelance jobs

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

The most popular types of Linux System Administrator jobs in Florida are:

What are popular job titles related to Linux System Administrator Freelance jobs in Florida?

For Linux System Administrator Freelance jobs in Florida, the most frequently searched job titles are:

What job categories do people searching Linux System Administrator Freelance jobs in Florida look for?

The top searched job categories for Linux System Administrator Freelance jobs in Florida are:

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Linux System Administrator Freelance jobs near you
Infographic showing various Linux System Administrator Freelance job openings in Florida as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 13% Part Time, and 3% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $80,767 per year, or $38.8 per hour.

Linux System Administrator

CACI International, Inc.

Sarasota, FL • On-site

Full-time

Medical, Retirement, PTO

Re-posted 23 days ago

Job description

Job Title: 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: Up to 10%
Type of Travel: Continental US
* * *
The Opportunity:
CACI has an immediate opening for a Linux Systems Administrator, with a Top Secret Clearance (TS/SCI) with polygraph for our corporate development/test network and fielded systems. CACI is seeking a development Systems Administrator with Linux experience for our Sarasota (FL) location. In this position, the individual will work with emerging technologies in the space domain awareness sector. This sector is focused on ground- and space-based systems that detect, characterize, and predict threats to national and allied space systems. You will participate in system design reviews, create and revise documentation, perform hardware and software integration/configuration, and participate in system testing and software installation. As a Systems Administrator, you will assist with the build, test, and deployment of systems worldwide. You will also be working with the latest Enterprise IT tools to troubleshoot existing systems in the field.
Continental US and international travel may be required up to 10% as well as periodic surge support.
Responsibilities:
  • Support critical Space Domain Awareness missions.
  • Travel to unique and exciting locations.
  • Work the entire lifecycle of the mission system from design, installation, and operations.
  • Participate in system design, software configuration, documentation, testing and troubleshooting.
  • Perform fault-isolation of ground-based satellite system hardware and software working with various stakeholders.
  • Participate in peer-review of system designs to ensure the system meets the technical requirements and conforms with established technical standards.
  • Build, configure and test various system components to reflect design documents.
  • Requires an ability to effectively communicate and work collaboratively with others in a fast-paced environment while multi-tasking.
  • Regularly completes assigned tasks that have a direct impact on project schedule or system functionality.
  • Troubleshoot issues with your assigned system as needed.

Qualifications:
  • Bachelor's degree (or higher) in Computer Science, Computer Engineering, or related discipline from an accredited college or university with fivee years of related experience.
  • A TS/SCI with Poly or the ability to obtain a Poly is required.
  • Possess an understanding of comprehensive system administration principles, and problem-solving skills.
  • Three years minimum Linux experience with a focus on Red Hat.
  • Competence in MS Office suite including Visio.
  • Participate in system design, hardware and software integration/configuration, documentation, system hardening and testing and delivery that meet the functional requirements of the system.
  • Must be willing to meet all requirements to facilitate a system installation at DoD facility. Knowledge and experience in system administration processes including at least one of the following certifications:
  • A+ CE, CCNA-Security, CND, Network+ CE, SSCP, CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CASP+ CE, CISA, CISSP, GCED, GCIH, CCSP Experience in installation, integration, configuration, tuning, OS patching (IAVA), and network/OS security and troubleshooting of Red Hat Linux servers.
  • Experience with virtualization environments (e.g. VMware, Red Hat Virtualization, KVM) Experience with network attached storage using NFS (e.g. NetApp)
  • Experience with installing and configuring server hardware (HP) and provisioning with Raid and iLO.

Desired:
  • Experience using network monitoring tools.
  • Excellent communication skills in technical, business, and client interactions Experience with Scripting languages (e.g. Perl, Bash)
  • Experience with DevSecOps and respective tools
  • Experience supporting ISSO and ISSEs via technical implementation (e.g. DISA STIG).
  • Experience with network switch hardware, VLANs, and basic troubleshooting (e.g. Cisco IOS)
  • Experience with any infrastructure management tools (e.g. Satellite)
  • Experience with containerization with Kubernetes and Podman background preferred
  • Automation tools (e.g. Ansible, Puppet, Git CI)
  • Experience with Ticket tracking tools (e.g. Atlassian)
  • Experience with Integrated Product Teams
  • Polygraph

This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI.
What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.
Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is:
$71,500 - $150,200
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

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