Linux Systems Administrator jobs in TX

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

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

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

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Today

Full-time

USD 110,000.00 - 123,000.00 per year

Unix-Linux System Administrator - L3 Support - Spring, TX - 66822

Spring, Texas

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Today

Unix-Linux System Administrator-L3 Support We have an immediate long-term opportunity with one of our prime clients for a position of Unix-Linux System Administrator-L3 Support to work at Spring, TX Pay Rate: $40-$45/hr Looking for an experienced L3 System Administrator with strong expertise in Linux (RHEL/SUSE) and HP-UX. Responsibilities include OS installation and patching, performance tuning, crash analysis, storage and clustering (Red Hat Cluster, SUSE HAE, ServiceGuard), and automation

Easy Apply

Contract

$$40/hr

Linux Server Administrator SME

Remote or Hybrid in Atlanta, Georgia

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3d ago

Security & Compliance Requirement (ITAR): Due to the nature of the work under ITAR, only U.S. Citizens or meet all ITAR compliance requirements before onboarding. We are seeking a highly skilled Linux Server Administrator / Subject Matter Expert (SME). This role focuses on Active Directory (AD) domain join/unjoin operations for Linux servers and DNS configuration management, ensuring seamless connectivity and stability across multiple data centers. The ideal candidate will have deep expertise i

Easy Apply

Contract

$60 - $70

Linux & HP-UX System Administrator L3 Support

Spring, Texas

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16d 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

Depends on Experience

Linux & HP-UX System Administrator L3 Support

Carrollton, Texas

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7d 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/

Easy Apply

Full-time

$100,000 - $116,000

Linux & HP-UX System Administrator – L3 Support

Spring, Texas

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7d 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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16d 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

Easy Apply

Full-time

$80,000 - $120,000

Linux & HP-UX System Administrator L3 Support

Spring, Texas

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11d 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

Easy Apply

Full-time

$55,000 - $103,000

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

Site Reliability Engineer - Linux Administrator

Remote

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11d 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

Easy Apply

Contract

60 - 65

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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18d 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

Easy Apply

Full-time

Depends on Experience

Linux Systems Engineer

San Antonio, Texas

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Today

Job#: 3013991 Job Description: Title: Linux Systems Engineer/SME Location: 100% Remote Length: 1-year+ contract with potential to extend *If interested and qualified for the positions, please reach out to the professional recruiter, Nicole, with your most up to date resume at A successful candidate will lead the design, implementation, and lifecycle management of mission-critical OT platforms across Windows and Linux environments. This includes partnering with IT, cybersecurity, and operations

Easy Apply

Full-time

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

Linux Systems and Integration Engineer

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. Candidates must be able to obtain a Polygraph. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified

Full-time

USD 103,254.00 - 111,724.00 per year

LINUX Systems Engineer

Remote or Sterling, Virginia

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Today

Full-time

Systems Intern (Cybersecurity and Linux Administration)

San Antonio, Texas

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Today

Basic Qualifications Candidates should demonstrate a thorough understanding of engineering technology. Engineering Interns must be enrolled in an accredited degree program in Computer Engineering, Systems Engineering, Software Engineering, Electrical Engineering, Mechanical Engineering or other related scientific or technical discipline with a preference for a standing of a sophomore or higher. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibil

Full-time

Compensation information provided in the description

Principal Systems Engineer / Linux / Terraform / Remote

Remote

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Today

This full time remote opportunity (EST or CST required) is ideal for a Principal Systems Engineer looking to lead architectural direction across Linux infrastructure, virtualization, storage, identity, and automation. You will operate in a modern hybrid ecosystem spanning private cloud, VMware, and physical data center environments, with significant influence over platform evolution and engineering standards. What makes this role exceptional is the opportunity to serve as a technical authority g

Easy Apply

Full-time

$150000 - $170000

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Linux Systems Administrator jobs in Texas, USA