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Linux System Administrator Freelance Jobs in Indiana

Barbaricum

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

Diverse Lynx

L2 System Admin

Indianapolis, IN · On-site

Diverse Lynx is seeking a L2 System Admin to support their remote enterprise data center. The role ... Preferred : • Unix / Linux Basics and Commands • RedHat Linux Company : Diverse Lynx is a WBENC ...

CFS

Network Systems Administrator

South Bend, IN

$65K - $80K/yr

... Systems & Infrastructure * Administer Active Directory, Group Policy, Windows Server, and Windows ... Linux, virtualization, or scripting experience * Exposure to security tools or processes

CFS

Network Systems Administrator

South Bend, IN

$65K - $80K/yr

... Systems & Infrastructure * Administer Active Directory, Group Policy, Windows Server, and Windows ... Linux, virtualization, or scripting experience * Exposure to security tools or processes

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All JobsLinux System Administrator JobsLinux System Administrator Freelance JobsLinux System Administrator Freelance Jobs in Indiana

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 Jul 15, 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.

Is sysadmin an entry level job?

A Linux System Administrator freelance role typically requires several years of experience with Linux systems, scripting, and network management, making it generally not an entry-level position. Entry-level roles in IT may include help desk or junior support positions, while sysadmin roles often demand advanced skills and certifications like CompTIA Linux+ or Red Hat Certified Engineer (RHCE).

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.

Will AI replace Linux admins?

AI is unlikely to fully replace Linux system administrators, as their role involves complex problem-solving, system configuration, and security management that require human expertise. AI tools can assist with automation and routine tasks, but critical thinking and troubleshooting remain essential skills for Linux admins. Continuous learning and adapting to new technologies are important in this evolving field.

How much does a Linux Administrator earn?

A Linux System Administrator's salary varies based on experience, location, and certifications, but typically ranges from $60,000 to $120,000 annually. Freelance Linux administrators may charge hourly rates between $30 and $100, depending on their expertise and project complexity.

Are Linux system administrators in demand?

Linux system administrators are in high demand due to the widespread use of Linux in servers, cloud infrastructure, and cybersecurity. Skills in scripting, networking, and cloud platforms like AWS or Azure increase employability, and many organizations seek freelance professionals for flexible, specialized support.

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 Linux System Administrator Freelance, and why are they important?

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.

More about Linux System Administrator Freelance jobs
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 are popular job titles related to Linux System Administrator Freelance jobs in Indiana? For Linux System Administrator Freelance jobs in Indiana, the most frequently searched job titles 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 System Administrator Freelance jobs near you
Systems Administrator/Engineer II

Systems Administrator/Engineer II

OBXtek Inc.

Edinburgh, IN • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 15 days ago

Job description

This Position is Subject to Contract Award

OBXtek is currently seeking a Systems Administrator/Engineer II to provide system administration and engineering support for Muscatatuck Training Center Advanced Cyber Center (MACC-TTE) virtual and physical environments, including deployment, configuration, integration, and sustainment of IT/OT infrastructure supporting cyber range operations, testing, and training events.

Responsibilities:

  • Perform systems integration, configuration, operation, and testing for MACC-TTE environments
  • Deploy and maintain virtual and physical servers, workstations, and networked devices
  • Support infrastructure development across cyber range, OT, and training environments
  • Maintain and configure Windows and Linux enterprise systems
  • Implement automation, provisioning, imaging, and orchestration solutions
  • Manage virtualization platforms (VMware, KVM, Xen)
  • Support configuration management and system baseline development
  • Assist with IA/Cybersecurity requirements and compliance
  • Configure network services (DNS, VPNs, VLANs, firewalls, etc.)
  • Support integration of ICS/SCADA, IoT, RF, and other specialized technologies
  • Troubleshoot system issues and conduct root cause analysis
  • Support system resets and reconfiguration between TTE events
  • Assist with documentation, SOPs, and system diagrams

Must meet one the following minimum recommended education/experience pathways (functionally aligned), including the DoD-experience minimums:

Education

  • Bachelor’s degree in Network Engineering, Cybersecurity, IT, or related discipline or equivalent experience

Experience

  • Minimum 7 years as a Cyber SME / Systems Engineer / Architect
  • Experience designing and configuring enterprise networks and systems
  • Experience with virtualization, automation, and orchestration tools
  • Experience with Windows and Linux system administration
  • Experience supporting cyber range or testbed environments
  • Experience working with network vulnerabilities, attack vectors, and mitigation

Certification:

  • Must meet DoDM 8140.03 IAT II requirements (e.g., Security+, CySA+, CCNA Security, CASP+)

Desired Qualificaitons

  • Experience with cyber range environments (MuTC, JCTE, PCTE, JIOR)
    Hands-on experience with Ansible, Python, or similar automation tools
    Experience integrating ICS/SCADA, IoT, and RF systems into networks
    Familiarity with RMF / eMASS / NIST 800-53
    Experience supporting IT/OT convergence environments
    Experience with event-driven cyber training environments

Security Clearance

  • TS/SCI (active and current) – Must be verifiable through DISS

Top Secret with SCI eligibility

Headquartered in McLean, Virginia and founded in 2009, OBXtek is a fast-growing leader in the government contracting field. Our mission is Our People…Our Reputation. Our people are trained professionals who enhance our customers’ knowledge and innovation using technology, collaboration, and education.

We offer a robust suite of benefits including comprehensive medical, dental and vision plans, Flexible Spending Accounts, matching 401K, paid time off, tuition reimbursement plans and much more.

OBXtek pairs lessons learned across disciplines with best practices and industry standard quality practices such as CMMC Level-2, CMMI-Dev Level III, ITIL, 6Sigma, PMI, and ISO. Our rapid growth has been recognized by INC500, the Washington Business Journal, and Washington Technology magazine.

OBXtek is an Equal Opportunity Employer and does not discriminate based on race, color, religion, sex, age, national origin, gender identity, disability, veteran status, sexual orientation or any other classification protected by federal, state or local law.

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