Linux Systems Administrator jobs in Texas

Greenville, Texas

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Today

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

Full-time

Application Systems Administrator -3 (Oracle/Linux systems)

Irving, Texas

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Today

At U.S. Bank, we're on a journey to do our best. Helping the customers and businesses we serve to make better and smarter financial decisions, enabling the communities we support to grow and succeed in the right ways, all more confidently and more often-that's what we call the courage to thrive. We believe it takes all of us to bring our shared ambition to life, and each person is unique in their potential. A career with U.S. Bank gives you a wide, ever-growing range of opportunities to discover

Full-time

USD 92,820.00 - 109,200.00 per year

Linux Systems Administrator II (Hybrid Remote)

Remote or Riverside, California

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Today

A large Beverage company in Corona, CA is hiring a System Administrator II -the highest technical support layer for their global IT infrastructure. This role is a direct permanent hire and is a great long term Hybrid Remote opportunity! Job Description: Provide operational support for 600 Windows Servers (Windows Server 2016 and newer) and 120 SUSE Linux servers (SLES 12 and SLES 15), including patching, performance monitoring, and ensuring service availability.Manage and upgrade VMware VCenter

Full-time

USD 110,000.00 - 123,000.00 per year

Senior Systems Administrator (Linux & Windows)

Dallas, Texas

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Today

Senior Systems Administrator (Linux & Windows) 12+ month contract (W2 ONLY, NO C-C) Onsite Downtown Dallas This position requires a resource with at least 8 years of experience in the given technology areas. The key competencies include subject matter expertise and system administrator experience with Microsoft Windows OS, VMWare, Linux OS and Nutanix Technologies. Knowledge around the support of operations technology or control system environments is preferred. The candidate should also be able

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Contract

Competitive

Systems Administrator (Linux)

McKinney, Texas

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Today

Date Posted: 2025-12-01 Country: United States of America Location: TX190: 2501 West University, McKinney 2501 West University , McKinney, TX, 75070 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret Do you want to be a part of a team whose impact stretches across the world, and even beyond? Collins Aerospace, a

Full-time

USD 82,000.00 per year

Systems Administrator II - Linux (Hybrid Remote)

Remote or Santa Ana, California

•

Today

Full-time

USD 110,000.00 - 123,000.00 per year

Senior Systems Administrator (Linux & Windows)

Dallas, Texas

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Today

Senior Systems Administrator (Linux & Windows) 12+ Month Contract Onsite Downtown Dallas ,TX We are seeking an experienced Senior Systems Administrator with 8+ years of hands-on expertise supporting Windows, Linux, VMware, and Nutanix environments. The ideal candidate will manage mixed server environments, ensure security compliance, support control system operations, and provide tier-3 technical troubleshooting. Key Responsibilities Administer Windows (20082019) and Linux (RHEL 7/8/9) serve

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Contract

70 - 75

Linux & HP-UX System Administrator L3 Support

Spring, Texas

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3d ago

Job Title : Linux & HP-UX System Administrator L3 Support Location :Spring, TX 77389 Job Summary: We are seeking an experienced L3 System Administrator with deep expertise in Linux (RHEL/SUSE) and HP-UX environments. This role involves advanced troubleshooting, performance tuning, patching, clustering, and automation across mission-critical infrastructure. The ideal candidate will be responsible for ensuring high availability, security, and compliance of Unix/Linux systems. Key Responsibilities:

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Contract

$50 - $55

Linux HP-UX System Administrator L3 Support

Spring, Texas

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2d ago

Job Summary: We are seeking an experienced L3 System Administrator with deep expertise in Linux (RHEL/SUSE) and HP-UX environments. This role involves advanced troubleshooting, performance tuning, patching, clustering, and automation across mission-critical infrastructure. The ideal candidate will be responsible for ensuring high availability, security, and compliance of Unix/Linux systems. Key Responsibilities: Linux Administration (RHEL/SUSE) Perform OS installation, patching, upgrades,

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Contract

$55 - $60

Linux & HP-UX System Administrator L3 Support

Spring, Texas

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11d ago

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Contract

Depends on Experience

Linux & HP-UX System Administrator L3 Support

Carrollton, Texas

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2d ago

Job Title: Linux & HP-UX System Administrator L3 Support Job Summary: We are seeking an experienced L3 System Administrator with deep expertise in Linux (RHEL/SUSE) and HP-UX environments. This role involves advanced troubleshooting, performance tuning, patching, clustering, and automation across mission-critical infrastructure. The ideal candidate will be responsible for ensuring high availability, security, and compliance of Unix/Linux systems. Key Responsibilities: Linux Administration (RHEL/

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Full-time

$100,000 - $116,000

Linux & HP-UX System Administrator – L3 Support

Spring, Texas

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2d ago

Immediate need for a talented Linux & HP-UX System Administrator L3 Support. This is a06 - 12 months contractopportunity with long-term potential and is located in Spring, TX(Onsite). Please review the job description below and contact me ASAP if you are interested. Job Diva ID: 25-95029 Pay Range: $40 - 45/hr. Employee benefits include, but are not limited to, health insurance (medical, dental, vision), 401(k) plan, and paid sick leave (depending on work location). Key Responsibilities: Lin

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Contract

40 - 45

Windows/Linux Server Administrator

Hybrid in Richardson, Texas

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12d ago

We re looking for an experienced Server Administrator Or Lead with strong expertise in Windows/Linux environments and cloud technologies. Key Highlights: Hands-on with Windows Server (2012/2016/2019) or Linux (RHEL, CentOS, Ubuntu)Experience in VMware/Hyper-V virtualizationFamiliarity with Azure, AWS, or Google Cloud PlatformScripting skills (PowerShell, Bash)Knowledge of Active Directory, DNS, DHCP, Group PolicyExposure to monitoring tools (Nagios, SolarWinds, SCOM)ITIL certification or practi

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Full-time

$80,000 - $120,000

Linux System Administrator

San Antonio, Texas

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Today

Basic Qualifications Bachelor's degree in a specialized area; or equivalent is required plus a minimum of 5 years of relevant experience; or Master's degree plus a minimum of 3 years of relevant experience. CLEARANCE REQUIREMENTS: Department of Defense TS/SCI security clearance is required at time of hire with the ability to obtain a Polygraph within a reasonable amount of time. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requireme

Full-time

USD 103,254.00 - 111,724.00 per year

Linux & HP-UX System Administrator L3 Support

Spring, Texas

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6d ago

Linux & HP-UX System Administrator L3 SupportHCLTech Spring, Texas, United States (On-site)Save Apply Job Title: Linux & HP-UX System Administrator L3 Support Job Summary: We are seeking an experienced L3 System Administrator with deep expertise in Linux (RHEL/SUSE) and HP-UX environments. This role involves advanced troubleshooting, performance tuning, patching, clustering, and automation across mission-critical infrastructure. The ideal candidate will be responsible for ensuring high availabi

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Full-time

$55,000 - $103,000

Site Reliability Engineer - Linux Administrator

Remote

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6d ago

Selected candidate must be very strong with Linux, to be considered for this position. Our client is leading the global evolution to the multi-gigabit, content-rich networks of the future. Their people deliver future-ready software, services, and integrated platforms that power broadband and video streaming networks, monitor and manage transportation, and transform experiences in homes, businesses, and everywhere people connect. Position Summary The Site Reliability Engineers are part of the Pla

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Contract

60 - 65

Senior Linux System Administrator

Remote

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Information Technology (IT) Infrastructure, Linux, System Administration Certifications: None Experience: 8 + years of related experience ship Required: No Job Description: Senior Linux System Administrator The position is for the Senior Linux System Administrator r

Full-time

USD 90,950.00 - 123,050.00 per year

IT System Engineer (HPC Administrator + Linux) / Server Farm Engineer with LSF or Slurm at San Jose, CA OR Austin, TX

Austin, Texas

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13d ago

IT System Engineer - IT System Engineer (HPC Administrator + Linux) / Server Farm Engineer with LSF or SLURM experience Location: Austin, TX / San Jose, CA Must haves Hands-on technical experience managing IBM LSF / SLURM and RTM (Optional) and scripting using Python, shell, Perl, etc., in a Farm environment and knowledge of LSF (Load Sharing Facility) spanning Farm to Cloud is highly desirableSolid understanding and proven operational experience with compute farms, job submission/management tec

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Full-time

Depends on Experience

Senior Linux Administrator

McKinney, Texas

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Today

Date Posted: 2025-11-20 Country: United States of America Location: TX190: 2501 West University, McKinney 2501 West University , McKinney, TX, 75070 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation

Full-time

USD 82,000.00 per year

Linux Systems and Network Engineer

Remote or Sterling, Virginia

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Today

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Full-time

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Linux Systems Administrator jobs in Texas, USA