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Linux System Administrator Freelance Jobs in Indiana

MANTECH seeks a motivated, career and customer-oriented Senior Linux System Administrator to join our team working in Crane, IN. This is a hybrid position requiring 3 days onsite per week.

We are seeking an experienced Senior Linux System Administrator to join our dynamic IT team. The ideal candidate will have a deep understanding of Linux systems, including advanced skills in ...

Administer and support operating systems (e.g., Windows Server, Linux), business applications, and Microsoft 365 * Apply patches and support backup, recovery, and security best practices to safeguard ...

Administer and support operating systems (e.g., Windows Server, Linux), business applications, and Microsoft 365 * Apply patches and support backup, recovery, and security best practices to safeguard ...

Administer and support operating systems (e.g., Windows Server, Linux), business applications, and Microsoft 365 * Apply patches and support backup, recovery, and security best practices to safeguard ...

... and Linux server environments supporting mission and training operations. * Administer physical, virtual, and cloud-based infrastructure to ensure system availability, performance, and security.

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Linux System Administrator Freelance information

See Indiana salary details

$19

$49

$72

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

As of Aug 4, 2026, the average hourly pay for linux system administrator freelance in Indiana is $49.44, according to ZipRecruiter salary data. Most workers in this role earn between $39.13 and $59.47 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 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 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 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.

What are the most commonly searched types of Linux System Administrator jobs in Indiana? The most popular types of Linux System Administrator jobs in Indiana are:
What job categories do people searching Linux System Administrator Freelance jobs in Indiana look for? The top searched job categories for Linux System Administrator Freelance jobs in Indiana are:
What cities in Indiana are hiring for Linux System Administrator Freelance jobs? Cities in Indiana with the most Linux System Administrator Freelance job openings:

Linux Systems Administrator with Security Clearance

MANTECH

Crane, IN • On-site

Other

Posted 12 days ago


ManTech rating

9.0

Company rating: 9.0 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

33rd of 241 rated software companies


Job description

MANTECH seeks a motivated, career and customer-oriented Senior Linux System Administrator to join our team working in Crane, IN. This is a hybrid position requiring 3 days onsite per week. Responsibilities include but are not limited to: * Provide support for the virtualization of Linux based virtual machines.
* Patch and STIG Linux Operating to ensure compliance with DoD Information Assurance standards.
* Provide troubleshooting support for Linux/Windows Operating Systems.
* Perform system updates and server configurations, including upgrades of the Operating System.
* Implement changes to locally hosted workstations/servers. Support virtual and physical networking configurations.
* Provide hardware, software, and network troubleshooting.
* Provide support for the administration of multiple VMWare ESXi environments across the RDT&E enterprise.
* Provide support the virtualization of Linux based virtual machines. Minimum Qualifications: * High School diploma or equivalent education
* 7+ years of experience in IT
* 2+ years of experience as a Systems Administrator working with Linux
* Must possess a CASP+, CISSP, or equivalent DoD 8570.01 / 8140 IAT Level III certification, or successfully obtain it within 30 days of offer acceptance and prior to beginning employment. Start date is contingent upon verification
* Experience with virtual and physical networking configuration
* Experience troubleshooting hardware, software, and networks
* Experience working with DISA STIG guidance and RMF requirements Preferred Qualifications: * RedHat 7, or higher, Enterprise administration, including workstation and server
* RedHat 8/Ubuntu22, or higher, Enterprise administration, including workstation and server
* Familiar with High Performance Computing (HPC) and Load Balancing for various applications Clearance Requirements: * Must have the ability to obtain and maintain an active US Government Secret Security Clearance
* Uncleared candidates will be required to obtain an interim secret security clearance to start Physical Requirements: * The person in this position must be able to remain in a stationary position 80% of the time.
* Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

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