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Linux System Administrator Jobs in Houston, TX (NOW HIRING)

Amentum

HPC Linux System Administrator

Houston, TX · On-site

We have an exciting opportunity for a HPC Linux System Administrator to join the team with MRI, a teammate company. Requisition Description: Are you excited about supporting NASA human spaceflight?

Pae

HPC Linux System Administrator

Houston, TX

We have an exciting opportunity for a HPC Linux System Administrator to join the team with MRI, a teammate company. Requisition Description: Are you excited about supporting NASA human spaceflight?

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$72

How much do linux system administrator jobs pay per hour?

As of Sep 5, 2026, the average hourly pay for linux system administrator in Houston, TX is $49.60, according to ZipRecruiter salary data. Most workers in this role earn between $39.23 and $59.66 per hour, depending on experience, location, and employer.

What is a Linux system administrator?

A Linux system administrator— or sysadmin—is an information technology professional who oversees the lifespan of Linux software installed on a server, computer, or other pieces of hardware, including network devices. As a Linux sysadmin, your responsibilities include software installation, day-to-day maintenance of applications, and an overall understanding of Linux operating systems. As part of the daily maintenance team, your job is to monitor system health and ensure that security patches are up-to-date, so that network systems perform well for business users.

What are the key skills and qualifications needed to thrive as a Linux system administrator?

To thrive as a Linux System Administrator, you need a strong understanding of Linux operating systems, system troubleshooting, and networking, often supported by a degree in computer science or related certifications like CompTIA Linux+ or Red Hat Certified System Administrator (RHCSA). Familiarity with command-line interfaces, shell scripting, system monitoring tools, and configuration management systems like Ansible or Puppet is essential. Problem-solving abilities, attention to detail, and effective communication are standout soft skills in this role. These skills and qualities ensure reliable system performance, quick resolution of technical issues, and smooth collaboration within IT teams.

What are some common challenges faced by Linux system administrators when managing large-scale server environments?

Linux System Administrators often encounter challenges such as maintaining consistent configurations across numerous servers, ensuring security compliance, and minimizing downtime during updates or maintenance. Managing automation tools, such as Ansible or Puppet, and monitoring system performance are also critical aspects. Effective communication and collaboration with development and network teams are essential to quickly resolve issues and implement new technologies smoothly.

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

AspectLinux System AdministratorNetwork Administrator
CertificationsLinux+, LPIC, RHCSACompTIA Network+, Cisco CCNA
Work EnvironmentServers, data centers, cloud platformsNetworking hardware, routers, switches
ResponsibilitiesManaging Linux servers, scripting, securityConfiguring networks, troubleshooting connectivity
Industry UsageIT, hosting, cloud servicesTelecommunications, enterprise networks

While both roles involve IT infrastructure, a Linux System Administrator focuses on managing Linux servers and related software, whereas a Network Administrator specializes in maintaining and troubleshooting network hardware and connectivity. Both roles require specific certifications and are vital in ensuring smooth IT operations within organizations.

Are Linux System Administrators in high demand?

Linux System Administrators are in high demand due to the widespread use of Linux in servers, cloud infrastructure, and cybersecurity. Employers seek professionals with skills in scripting, networking, and system security, often requiring certifications like CompTIA Linux+ or RHCE.

How much do Linux system administrators make?

Linux system administrators typically earn between $60,000 and $100,000 annually, depending on experience, certifications, and location. Senior roles or those with specialized skills in scripting, networking, or cloud platforms can earn higher salaries. Entry-level positions generally start around $50,000 to $70,000.

Is a Linux System Administrator a good job?

A Linux System Administrator is a valuable role responsible for managing and maintaining Linux-based servers and infrastructure. It often requires skills in scripting, networking, and security, and can offer stable employment with opportunities for certification and career growth.
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Linux System Administrator jobs near you
Infographic showing various Linux System Administrator job openings in Houston, TX as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 13% Part Time, and 2% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $103,164 per year, or $49.6 per hour.

Linux System Administrator

3B Staffing LLC

Houston, TX

Full-time

Posted 24 days ago

Job description

IT/OT System Administrator - Linux

Key Responsibilities:

  • Install, configure, and maintain Linux and Windows servers and systems across IT and OT networks.
  • Perform system upgrades, apply security patches, and maintain firmware on physical and virtual servers.
  • Monitor server performance, troubleshoot issues, and resolve system errors to ensure high availability.
  • Collaborate with network, cybersecurity, and SCADA/ICS teams to ensure stable and secure IT/OT operations.
  • Maintain system documentation, network diagrams, and standard operating procedures.
  • Manage user access controls and enforce cybersecurity policies.
  • Support backup, disaster recovery, and restore processes for all critical systems.
  • Provide remote and on-site support for plant and field locations as needed.

Required Qualifications:

  • Proven experience with Linux (e.g., Ubuntu, Red Hat, CentOS) and Microsoft Windows Server systems.
  • Strong command-line skills and experience with shell scripting (e.g., Bash or PowerShell).
  • Proficiency in system monitoring, log analysis, and performance tuning.
  • Experience in virtualization platforms (e.g., VMware, Hyper-V).
  • Understanding of IT/OT environments, including SCADA and industrial control systems.
  • Familiarity with cybersecurity practices and frameworks (e.g., NERC CIP is a plus).
  • Excellent troubleshooting, documentation, and communication skills.

Preferred Qualifications:

  • Relevant certifications such as CompTIA Linux+, Microsoft Certified: Windows Server, or Red Hat Certified System Administrator (RHCSA).
  • Experience working in regulated environments or the energy/industrial sector.

Work Environment:

  • Hybrid environment
  • Travel to field and plant sites up to 40%

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