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Computer System Administrator Jobs in Texas (NOW HIRING)

University Health

Senior System Administrator

San Antonio, TX · On-site

$77K - $105K/yr

POSITION SUMMARY AND RESPONSIBILITIES Provides computer technical expertise, project management ... Organizes and schedules a variety of major and/or complex computer system tasks in a timely and ...

Cymertek

Cloud System Administrator

San Antonio, TX · On-site

Cloud System Administrator LOCATION San Antonio, TX 78208 CLEARANCE TS/SCI Full Poly (Please note ... DEGREE (Level Desired) Bachelor's Degree DEGREE (Focus) Computer Science, Information Technology ...

ait

Enterprise System Administrator

Plano, TX

Serve as technical and functional administrator for multiple enterprise systems (IFS, SugarCRM, GURU, PLM/CAD connectors like CATIA integrations, and other LOB applications). * Manage system ...

AIT

Enterprise System Administrator

Plano, TX · On-site

Serve as technical and functional administrator for multiple enterprise systems (IFS, SugarCRM, GURU, PLM/CAD connectors like CATIA integrations, and other LOB applications). * Manage system ...

Lamar University

Sr. System Administrator

Beaumont, TX · On-site

$59K - $77K/yr

The Systems Administrator Senior will apply technical knowledge in implementing policies for system ... Bachelor's degree in computer science, Information Technology, or a closely related field, or an ...

Stem Xpert

System Administrator

Dallas, TX · On-site

Systems Administration Location: Dallas TX Duration : Full Time Responsible for the architecture ... Bachelor's degree in Computer Science, a related field or equivalent experience, and at least 8 ...

Warren CAT

Salesforce System Administrator

Lubbock, TX · On-site

Serve as primary system administrator for Salesforce environment. Understand solution designs and ... Bachelor's degree in computer science related field or 2-4 years of relevant experience in ...

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All JobsComputer System Administrator JobsComputer System Administrator Jobs in Texas

Computer System Administrator information

See Texas salary details

$38.2K

$82.8K

$128.1K

How much do computer system administrator jobs pay per year?

As of Jul 13, 2026, the average yearly pay for computer system administrator in Texas is $82,849.00, according to ZipRecruiter salary data. Most workers in this role earn between $65,200.00 and $96,900.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Computer System Administrator, and why are they important?

To thrive as a Computer System Administrator, you need expertise in network management, operating systems (such as Windows and Linux), and troubleshooting, typically supported by a degree in IT or computer science. Familiarity with system administration tools, virtualization platforms, and certifications like CompTIA Network+, Microsoft Certified Solutions Associate (MCSA), or Cisco Certified Network Associate (CCNA) is highly valued. Strong problem-solving abilities, attention to detail, and effective communication skills help administrators excel in this role. These skills and qualifications are vital to ensure reliable system performance, data security, and smooth IT operations across an organization.

What does a computer systems administrator do?

A computer systems administrator manages and maintains an organization’s computer systems, including servers, networks, and hardware. They install, configure, troubleshoot, and ensure the security and performance of IT infrastructure, often using tools like monitoring software and following industry best practices. Strong technical skills and certifications such as CompTIA Server+ or Cisco CCNA are often required.

How much do sys admins get paid?

System administrators typically earn a median annual salary of around $70,000 to $90,000, depending on experience, certifications, and location. Entry-level positions may start lower, while experienced sys admins with specialized skills or certifications like CompTIA or Cisco can earn higher salaries. Salaries can also vary based on the size and industry of the organization.

What are Computer System Administrators?

Computer System Administrators are IT professionals responsible for managing, maintaining, and supporting computer systems and networks within an organization. Their duties include installing and configuring hardware and software, monitoring system performance, troubleshooting issues, and ensuring data security. They play a vital role in keeping networks running smoothly and minimizing downtime, which is crucial for business operations. System administrators may also manage user accounts, perform backups, and implement updates and patches to keep systems secure.

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

AspectComputer System AdministratorNetwork Administrator
CertificationsCompTIA Server+, Microsoft Certified: Windows Server FundamentalsCompTIA Network+, Cisco CCNA
Work EnvironmentManage servers, hardware, and software systems within organizationsFocus on configuring, maintaining, and troubleshooting network infrastructure
Employer & Industry UsageIT departments across various industries, supporting internal systemsOrganizations with complex networks, including ISPs, large corporations

While both roles involve IT infrastructure, Computer System Administrators primarily manage servers and internal systems, whereas Network Administrators focus on network hardware and connectivity. Understanding these differences helps in choosing the right career path or job focus within IT.

Can I become a sysadmin without a degree?

Computer system administrators can often enter the field without a formal degree by gaining relevant skills through certifications like CompTIA Network+ or Cisco CCNA, and practical experience with operating systems, networking, and security. Many employers prioritize hands-on experience and technical knowledge over formal education for this role.

Is sysadmin a stressful job?

System administrators often work in high-pressure environments where they are responsible for maintaining network security, uptime, and troubleshooting technical issues. The job can involve irregular hours, urgent problem-solving, and managing critical systems, which can contribute to stress levels. However, stress varies depending on the organization, workload, and individual skills.

What are the typical day-to-day responsibilities of a Computer System Administrator?

A Computer System Administrator is responsible for managing and maintaining an organization's computer systems and networks. On a daily basis, this includes monitoring system performance, installing software updates, managing user accounts and permissions, and troubleshooting technical issues. Administrators often collaborate with IT support teams and other departments to ensure network security and optimal system operation. They may also be involved in planning for future technology needs and implementing backup or disaster recovery procedures.
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Computer System Administrator jobs near you
Infographic showing various Computer System Administrator job openings in Texas as of July 2026, with employment types broken down into 1% As Needed, 84% Full Time, 11% Part Time, 1% Temporary, 2% Contract, and 1% Nights. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $82,849 per year, or $39.8 per hour.

Linux System Administrator

G6 Cyber Solutions

San Antonio, TX • On-site

Full-time

Posted 24 days ago

Job description

POSITION DESCRIPTION:

G6 Cyber Solutions (G6CS) is at the forefront of delivering innovative technology solutions that enhance national security and support critical military operations. Our commitment to excellence drives us to develop and maintain cutting-edge systems and capabilities in direct support of the warfighter.

Currently, G6CS is seeking a motivated and mission-oriented Linux System Administrator to join our team in support of Air Force operations at Lackland AFB. In this role, you will be instrumental in managing and securing internal systems, ensuring compliance with Department of War (DoW) standards, and optimizing network infrastructure in a classified environment. If you thrive in a dynamic setting with a focus on cybersecurity and system reliability, this is an opportunity to contribute to mission-critical projects that make a difference.

Required Experience:

  • Experience in system administration, including design, configuration, installation, and optimization of operating systems (Windows, Linux).
  • Proven experience in managing hardware, software, and utilities for installation, modification, troubleshooting, maintenance, and upgrades of operating systems on servers.
  • Experience in monitoring and analyzing resource usage to recommend enhancements to system capabilities and performance.
  • Familiarity with developing accreditation documentation, including Overview 1, 2, and 3 (OV1, OV2, OV3) charts and graphs.
  • Experience in restoring critical system services within service level agreement timelines of a system outage and managing software patching within specified timeframes (i.e. 3 business days for critical systems and 10 business days for routine patches).
  • Experience in scanning computer networks for vulnerabilities and diagnosing network connectivity issues.
  • Understanding of both Linux and Windows command-line interfaces (CLI).

Nice-to-Have Experience:

  • Experience in Department of War intelligence communities.
  • Experience with security features and/or vulnerabilities of various operating systems as defined by NSA, NIST, and/or USCYBERCOM.
  • Experience in developing automated scripts for system monitoring and maintenance.
  • Experience with Information Assurance (IA) vulnerability identification/remediation/testing and related network and system test tools (e.g., Security Content Automation Protocol (SCAP)).
  • Experience with information security toolsets such as anti-virus, Security Information and Event Management (SIEM), and/or Host-based Intrusion Detection Systems/Network Intrusion Detection Systems (HIDS/NIDS).
  • Experience with the Red Hat OpenShift platform

What You Will Be Doing:

  • Manage the development, documentation, maintenance, and security of internal systems, including design, configuration, installation, administration, optimization, integration, and integrity.
  • Performing network and system security administration, including operating system security configuration, performance monitoring, and account management best practices for MS Servers/Windows and Linux.
  • Configure and assist in the design of system and network security.
  • Track and monitor patching and STIG applications to the network servers to maintain network health.
  • Provide support in restoring critical system services and ensure timely installation of applicable operating system and server software patches.
  • Document system infrastructure for users, support personnel, developers, information assurance personnel, and accreditors.
  • Managing networking switches, routers, and firewalls, including configuration, monitoring, and troubleshooting in DoD-compliant environments to ensure secure data flow and network integrity.

Certifications:

Minimum:

  • CompTIA Security+
  • Active TS/SCI clearance

Nice-to-Have:

  • Red Hat Certified System Administrator (RHCSA)
  • Additional certifications in system administration or cybersecurity