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Freelance Linux System Engineer Jobs in Texas (NOW HIRING)

Set of X

Linux System Administrator

San Antonio, TX · On-site

... engineers with a strong sense of shared responsibility and ownership Because who you work with ... Configure, administer, monitor, and maintain Linux operating systems. * Support servers, storage ...

Set of X

Linux System Administrator

San Antonio, TX · On-site

$110K - $190K/yr

... engineers with a strong sense of shared responsibility and ownership Because who you work with ... Configure, administer, monitor, and maintain Linux operating systems. * Support servers, storage ...

Esolvit Inc

Linux System Administrator

Austin, TX

Senior level Linux engineer Strong experience with RHEL (5, 6, and 7) and Windows AD Experience ... and system standardization Scripting experience required, prefer BASH, Python, Perl, etc.

Amentum

HPC Linux System Administrator

Houston, TX · On-site

As NASA's largest engineering solutions provider working together with NASA at centers across the United States. We have an exciting opportunity for a HPC Linux System Administrator to join the team ...

Pae

HPC Linux System Administrator

Houston, TX

As NASA's largest engineering solutions provider working together with NASA at centers across the United States. We have an exciting opportunity for a HPC Linux System Administrator to join the team ...

GDT

Linux Systems Admin

Killeen, TX · On-site

The Linux Systems Administrator is responsible for the installation, configuration, maintenance ... This role ensures system reliability, security, and performance while supporting modern DevOps ...

Samsung

System Engineer

Austin, TX

Associate's Degree required (Bachelor's Preferred) 5+ years of experience Extensive knowledge of building, configuring, and administering production Linux computer systems Experience programming in ...

Samsung

System Engineer

Austin, TX · On-site

... production Linux computer systems • Experience programming in Bash, Perl, Python, or similar scripting languages • Hands-on experience with CFEngine, Cobbler, PXE, Kickstart, Chef, Puppet ...

SACC Inc

System Engineer

Sugar Land, TX

IBM Power / AIX RHEL Linux Fiber Channel Zoning Scripting CommVault Quantum Libraries Data Domain VM / Storage Replication Qualifications System Engineer, UCS, Vmware, Storage, Windows, Data Center ...

Hitachi

Senior Linux Systems Engineer

Houston, TX · On-site

Optimize system performance and reliability through OS and database tuning * Troubleshoot and ... Engineering, or equivalent experience in years * 5+ years of experience in Linux system ...

SACC Inc

System Engineer

Sugar Land, TX · On-site

... Linux. Experience architecting high available and disaster recovery solutions for server and ... System Engineer, UCS, Vmware, Storage, Windows, Data Center, Network Additional Information All ...

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Freelance Linux System Engineer information

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

AspectFreelance Linux System EngineerFreelance Network Administrator
CertificationsLinux certifications (e.g., LPIC, RHCE)Network certifications (e.g., CCNA, CompTIA Network+)
Work EnvironmentServer management, cloud platforms, Linux-based systemsNetwork infrastructure, routers, switches, firewalls
Industry UsageIT companies, hosting providers, cloud servicesTelecom, enterprise networks, data centers
Search & ComparisonFocus on Linux expertise, server setup, scriptingFocus on network setup, security, troubleshooting

While both roles involve technical skills and working with IT infrastructure, a Freelance Linux System Engineer specializes in Linux server environments, system configuration, and scripting. In contrast, a Freelance Network Administrator focuses on managing and securing network infrastructure. The choice depends on whether your expertise is more aligned with server management or network operations.

What are common challenges freelance Linux system engineers face when managing multiple client environments?

Freelance Linux System Engineers often juggle a variety of client systems, each with unique configurations, security requirements, and update schedules. This can make it challenging to keep track of different environments, ensure compatibility, and maintain consistent documentation. Effective time management, strong organizational skills, and setting up standardized processes for monitoring and patching are key to overcoming these challenges. Building clear communication channels with clients also helps in addressing urgent issues quickly and maintaining long-term relationships.

What skills and qualifications are needed to thrive as a freelance Linux system engineer?

To thrive as a Freelance Linux System Engineer, you need advanced knowledge of Linux operating systems, scripting languages (like Bash or Python), and strong troubleshooting abilities, typically supported by a degree in computer science or relevant certifications such as RHCE or CompTIA Linux+. Familiarity with configuration management tools (e.g., Ansible, Puppet), virtualization technologies, and cloud platforms is essential for managing diverse client environments. Excellent communication, time management, and client relationship skills help set top freelancers apart. These competencies ensure reliable system performance, efficient project delivery, and positive client interactions in a dynamic freelance setting.

What does a freelance Linux system engineer do?

A Freelance Linux System Engineer is an IT professional who works independently to design, implement, maintain, and troubleshoot Linux-based systems for clients. They handle tasks such as server setup, system monitoring, security hardening, automation, and providing technical support. Freelance engineers often work remotely or on a contract basis, helping businesses optimize their Linux infrastructure according to specific project needs.
What are the most commonly searched types of Linux System Engineer jobs in Texas? The most popular types of Linux System Engineer jobs in Texas are:
What are popular job titles related to Freelance Linux System Engineer jobs in Texas? For Freelance Linux System Engineer jobs in Texas, the most frequently searched job titles are:
What job categories do people searching Freelance Linux System Engineer jobs in Texas look for? The top searched job categories for Freelance Linux System Engineer jobs in Texas are:
What cities in Texas are hiring for Freelance Linux System Engineer jobs? Cities in Texas with the most Freelance Linux System Engineer job openings:
Freelance Linux System Engineer jobs near you
Infographic showing various Freelance Linux System Engineer job openings in Texas as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 13% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution.

Linux System Administrator

Set of X

San Antonio, TX • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 9 days ago

Job description

All positions require an active clearance.

WE ARE HIRING OWNERS

Set of X is led by industry veterans who see government contracting as a good community with plenty of opportunity to go around. With a shared desire to give back, grow the community, and do great work, the Set of X team is building an elite group of engineers with a strong sense of shared responsibility and ownership

Because who you work with matters.
________________________________________________________________________


Responsibilities:

  • Provide implementation, troubleshooting, maintenance, and operational support for IT systems.
  • Provide Tier 1 and Tier 2 support, including problem identification, diagnosis, escalation, and resolution.
  • Configure, administer, monitor, and maintain Linux operating systems.
  • Support servers, storage, networks, mobile devices, and other IT infrastructure.
  • Install, configure, patch, and troubleshoot operating systems and network components.
  • Monitor system performance, optimize resource utilization, and support capacity planning.
  • Troubleshoot complex hardware, software, operating system, and network issues.
  • Provide technical analysis and status updates to management and internal customers.
  • Support hardware and dispatch system issues through resolution.
  • Implement system enhancements to improve reliability, availability, and performance.

Required Skills:
  • 10+ years of experience as a System Administrator supporting programs and contracts of similar scope, type, and complexity.
  • Experience administering and troubleshooting Linux operating systems.
  • Experience supporting enterprise IT infrastructure, including servers, storage, networks, and end-user systems.
  • Strong troubleshooting, problem-solving, and communication skills.
  • Ability to work independently and effectively in a mission-focused environment.
 

Experience/Education:
Bachelor’s degree in a technical discipline from an accredited college or university.
Five (5) additional years of System Administration experience may be substituted for a Bachelor’s degree.
Ten (10) years of relevant System Administration experience is required.


Clearance:
TS/SCI clearance with polygraph is required.
 

Total Compensation Package 

We offer a comprehensive compensation package designed to support your well-being and professional growth. Our competitive base salary is complemented by an extensive benefits program, including: 

  • Health, Dental, and Vision Insurance: Comprehensive coverage to keep you and your family healthy.
  • Life and Disability Insurance: Peace of mind with financial protection for you and your loved ones. 
  • 401(k) Plan: No personal investment required to benefit from a generous employer contribution, allowing you to maximize your take-home pay. 
  • Paid Time Off: Enjoy time away from work to recharge. 
  • Technology Refresh: Upgrade your devices regularly, or opt for a year-end bonus if you don’t need new tech. 
  • Training and Professional Development: A $5,250 annual budget for ongoing education, certifications, and professional memberships.  Or use this annual benefit to repay a student loan tax-free. 

For a full overview of our benefits, please visit our benefits tab. 

Salary Range: $110,000 - $190,000

Additional Perks and Benefits 

  • Stock Plan: Become an equity owner with a yearly stock grant—let's build the future together. 
  • Flex Leave and Exchange Plan: Take up to 8 weeks off for a strong work-life balance or sell back unused time for double the value! 
  • Virtual Office Compensation: Monthly reimbursement for cell phone and internet services. 
  • Fringe Benefit Mall: Choose from perks like Uber rides, a beer of the month club, Amazon Prime, and Hello Fresh—whatever suits you best! 
  • Profit-Sharing Cash Bonus: Share in the company’s success with an end-of-year cash bonus. 
  • Referral Bonus: Help us grow by bringing in top talent and earn a bonus for each successful referral. 

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