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Freelance Linux System Engineer Jobs in Houston, TX

DEX Imaging

System Engineer I

Houston, TX

Technical knowledge of Microsoft, Apple, Linux and other computer operating systems. * Understand ... or Communications Engineering. * Entry level position at DEX imaging before technical and ...

DEX Imaging

System Engineer I

Houston, TX

Technical knowledge of Microsoft, Apple, Linux and other computer operating systems. * Understand ... or Communications Engineering. * Entry level position at DEX imaging before technical and ...

DEX Imaging

System Engineer I

Houston, TX · On-site

Technical knowledge of Microsoft, Apple, Linux and other computer operating systems. * Understand ... or Communications Engineering. * Entry level position at DEX imaging before technical and ...

DEX Imaging

System Engineer I

Houston, TX · On-site

Technical knowledge of Microsoft, Apple, Linux and other computer operating systems. * Understand ... or Communications Engineering. * Entry level position at DEX imaging before technical and ...

DEX Imaging

System Engineer I

Houston, TX

Technical knowledge of Microsoft, Apple, Linux and other computer operating systems. * Understand ... or Communications Engineering. * Entry level position at DEX imaging before technical and ...

LWC, Inc.

Linus Admin/Developer

Houston, TX

A mid-level System Engineer - Linux Developer to manage a critical project for one of our biggest client in enterprise domain. The Individual should be passionate about technology, experienced in ...

LWC, Inc.

Linus Admin/Developer

Houston, TX · On-site

A mid-level System Engineer - Linux Developer to manage a critical project for one of our biggest client in enterprise domain. The Individual should be passionate about technology, experienced in ...

EROS Technologies, Inc.

DevOps Engineer

Houston, TX · On-site

$50.25 - $69/hr

Job Title- DevOps Engineer Location- Houston, TX Joining Mode- Contract Only W2 candidates - Linux system administration skills bash/shell/python scripting experience Cloud administration experience ...

EROS Technologies, Inc.

DevOps Openstack Engineer

Houston, TX · On-site

$50.25 - $69/hr

Houston, TX Joining Mode Full Time - Linux system administration skills bash/shell/python scripting experience Cloud administration experience - openstack/AWS preferably Devops like chef/puppet ...

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Freelance Linux System Engineer information

See Houston, TX salary details

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

As of Aug 8, 2026, the average hourly pay for freelance linux system engineer in Houston, TX is $57.04, according to ZipRecruiter salary data. Most workers in this role earn between $45.91 and $64.04 per hour, depending on experience, location, and employer.

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 Houston, TX? The most popular types of Linux System Engineer jobs in Houston, TX are:
What are popular job titles related to Freelance Linux System Engineer jobs in Houston, TX? For Freelance Linux System Engineer jobs in Houston, TX, the most frequently searched job titles are:
What job categories do people searching Freelance Linux System Engineer jobs in Houston, TX look for? The top searched job categories for Freelance Linux System Engineer jobs in Houston, TX are:
What cities near Houston, TX are hiring for Freelance Linux System Engineer jobs? Cities near Houston, TX with the most Freelance Linux System Engineer job openings:
Freelance Linux System Engineer jobs near you

System Engineer

Applied Optoelectronics, Inc.

Sugar Land, TX

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 7 days ago

Job description

About AOI
Applied Optoelectronics, Inc. (AOI) is a leading developer and manufacturer of advanced optical and HFC networking products — the building blocks that power AI datacenters, CATV broadband, telecom, and fiber access networks around the world. Headquartered in Sugar Land, Texas, AOI is a vertically integrated company that designs and manufactures everything from semiconductor laser chips to finished optical transceivers, serving tier-one customers across cloud computing, broadband, and telecom. With R&D operations in Atlanta, GA and global manufacturing presence in Taiwan and China, AOI is publicly traded on the Nasdaq (AAOI) and is actively expanding its U.S.-based manufacturing operations in Sugar Land to meet accelerating demand in the AI datacenter market.
Summary
The Systems Engineer is responsible for the provisioning, deployment, configuration, and administration of IT infrastructure and systems, while also serving as frontline technical support for end users across AOI's Sugar Land campus. This role supports Microsoft servers, PCs, VMware ESXi hosts, network-attached storage (NAS), network monitoring tools, and VPN solutions. This position sits within the office environment and acts as a walk-up helpdesk resource for employees, resolving day-to-day issues while also maintaining and improving the reliability, performance, security, and scalability of IT systems that support business operations. This is a hands-on role in an office environment adjacent and exposed to a 24/7 manufacturing facility that requires strong interpersonal skills, a service-first mindset, and the ability to communicate effectively across a diverse, multicultural workforce.
As the firm scales, the Management of Information Systems (MIS) team will continue to improve upon new hire onboarding integrations, knowledge base implementation, and ticketing system improvement projects. This position reports to the Deputy Director of Management of Information Systems (MIS).
Job Responsibilities
End-User Support & Helpdesk
• Serve as a primary walk-up and ticketing-based helpdesk resource for employees, including user account provisioning, password resets, device setup, and general troubleshooting
• Deliver consistently high-quality customer service in a diverse, multicultural environment, translating technical issues into clear, accessible language for non-technical staff
• Support new hire IT onboarding, including workstation setup, account provisioning, and first-day connectivity
• Takes immediate corrective action(s) against unsafe conditions to the best of one’s own ability
Infrastructure & Systems Administration
• Work closely with the System Architect and Cyber Security team to administer Active Directory and Group Policy
• Configure and maintain VMware ESXi hosts, SAN, and NAS environments
• Install and configure servers, operating systems (Windows Server, Linux), and application software
• Manage software deployments and Windows Updates across the environment
• Monitor system health and performance using monitoring tools; optimize for high availability
• Diagnose and resolve complex technical issues across hardware, software, and network layers
• Repair and recover from hardware or software failures; coordinate and communicate with impacted departments
• Write scripts (Python, Bash, PowerShell) to automate repetitive administrative tasks
• Implement security protocols, manage firewalls, and support backup and disaster recovery strategies
• Maximize network performance by monitoring, troubleshooting outages, scheduling upgrades, and collaborating with network architects
• Research and recommend innovative and automated approaches to system administration that leverage existing resources
• Perform additional duties as assigned to support team and organizational objectives
Documentation & Continuous Improvement
• Maintain and improve all technical documentation as required by management
• Solicit end-user feedback to identify system pain points and translate those into technical requirements for upgrades
• Stay current through professional development, publications, and professional organizations
• Participate in on-call rotation to support 24/7 production operations (infrequent; phone-based rotation shared across the team)
Qualifications & Competencies
Candidates must be authorized to work in the United States. Visa sponsorship is not available for this position.
Education: Bachelor's degree in Computer Science, Information Technology, or related field preferred. Equivalent combination of education, certifications, and hands-on experience will be considered.
Experience:
Required:
  • 3–5 years of experience administering Microsoft Windows operating systems, Windows Server, and Office 365
  • 2+ years of experience with VMware ESX/ESXi, SAN, and NAS
  • Working knowledge of UNIX/Linux environments
  • Strong networking fundamentals (TCP/IP, DNS, VPNs)
  • Demonstrated experience in a helpdesk or end-user support capacity
  • Professional fluency in English required
  • Excellent interpersonal skills with a patient, service-oriented approach and the ability to work effectively across a diverse, multicultural environment
  • Ability to manage competing priorities between infrastructure projects and real-time user support
  • Ability to work on-call as needed

Preferred:

  • CompTIA Network+, MCSE, VMware VCP, or CCNA certification
  • Mandarin bilingual
  • Familiarity with SAP environments
  • Familiarity with cloud platforms (AWS, Azure, or GCP)
  • Experience with Hyper-V
Why AOI?
In addition to competitive salary, AOI offers:
  • Flexible and competitive health (medical, dental, vision) plans offer the employee with the right options to meet individual and family needs
  • Employer matching on 401(k) deferrals
  • Generous PTO policy, with unused PTO payout at end of the year
  • Relocation packages available within the United States.
Applied Optoelectronics, Inc (AOI) is committed to providing equal opportunity in all of our employment practices, including hiring, placement, promotion, training, transfer and compensation, to all qualified applicants and employees without regard to race, color, national origin, citizenship, religion, sex, veteran status, age, disability, marital status, or any other category protected by State or U.S. Federal law. Moreover, we endeavor to treat our employees fairly.
We do not accept unsolicited proposals from third-party recruiters or agencies. Contacting hiring managers directly may result in disqualification of submissions.

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