Linux / Unix Systems Administrator Jobs in Texas

21 - 40 of 671 Jobs

Windows Linux System AdministratorJob Title - Windows Linux System Administrator

Rose InternationalCompany Name - Rose International

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Dallas, Texas, USA

Full-time

Date Posted: 06/30/2025 Hiring Organization: Rose International Position Number: 484801 Industry: Professional Services Job Title: Windows Linux System Administrator Job Location: Dallas, TX, USA, 75201 Work Model: Onsite Shift: 9 AM - 6 PM Employment Type: Temporary FT/PT: Full-Time Estimated Duration (In months): 7 Min Hourly Rate($): 50.00 Max Hourly Rate($): 50.00 Must Have Skills/Attributes: AWS, Azure, CI/CD tools, GitHub Experience Desired: Windows/Linux system admin, Azure/AWS (

Linux System AdministratorJob Title - Linux System Administrator

Sun Technologies,Inc.Company Name - Sun Technologies,Inc.

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Remote

Contract

Job Title: Linux System Administrator Duration: up to 12 months contract (with the possibility of extension) Location: Fort Worth, TX 76108 Pay Rate: $60/hr - $70/hr on W2 [the pay rate may differ depending on your skills, education, experience, and other qualifications] Featured Benefits: Medical Insurance in compliance with the ACA401(k)Sick leave in compliance with applicable state, federal, and local laws Skills Required: The Linux Systems Administrator will be a member of the Enterprise IT

Senior System Administrator L 3 (Windows, Linux, VMWare)Job Title - Senior System Administrator L 3 (Windows, Linux, VMWare)

Infolob Global, Inc.Company Name - Infolob Global, Inc.

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Dallas, Texas, USA

Contract, Third Party

Position: Senior System Administrator L 3 (Windows, Linux, VMWare) Location: Dallas, TX (Hybrid 3 Days in office) Duration: 6 Months Rate: $ Open/Hour Need resource who can work on Hybrid Role in Dallas, TX Job Description: System Administrator (Control Systems) L3 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, Linu

Staff Systems Engineer - Splunk Administrator - PREJob Title - Staff Systems Engineer - Splunk Administrator - PRE

Visa Inc.Company Name - Visa Inc.

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Austin, Texas, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe

Senior AWS Cloud Systems Operations AdministratorJob Title - Senior AWS Cloud Systems Operations Administrator

Maximus, Inc.Company Name - Maximus, Inc.

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San Antonio, Texas, USA

Full-time

Description & Requirements Maximus is seeking a Senior AWS Cloud Systems Operations Administrator focused on managing AWS workloads, overseeing system deployment, security, and compliance. This administrator will use AWS tools to ensure systems run efficiently, troubleshooting as needed. Their expertise is vital for maintaining DoD system integrity and performance on the cloud. Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS221, T5, Band 8 Job Specific Essential

Linux System AdministratorJob Title - Linux System Administrator

Cymertek CorporationCompany Name - Cymertek Corporation

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San Antonio, Texas, USA

Full-time

Linux System Administrator LOCATION San Antonio, TX 78208 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a dedicated and skilled Linux Systems Administrator to join our team and play a vital role in managing and maintaining our Linux-based infrastructure. In this position, you will be responsible for deploying, configuring, monitoring, and troubleshooting Linux servers to ensure optimal performance, reliability, and security

Staff Cyber Systems AdministratorJob Title - Staff Cyber Systems Administrator

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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San Antonio, Texas, USA

Full-time

Job Description What We're Doing: As part of Lockheed Martin Rotary & Mission Systems business area, the C4ISR line of business creates leading-edge global mission integration capabilities and products for our partners across all domains. Who We Are: Our team will provide rapid capability development and operational readiness leveraging industry best-practices and innovative solutions to ensure the program meets operational requirements and matures existing government owned software in an ef

Senior Linux Systems EngineerJob Title - Senior Linux Systems Engineer

Samsung Electronics AmericaCompany Name - Samsung Electronics America

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Austin, Texas, USA

Full-time

At Samsung SDS America, innovation drives everything we do. As the North American subsidiary of Samsung SDS-a global leader in digital transformation-we empower businesses to excel in an ever-changing digital world. Our mission is clear: delivering cutting-edge IT solutions and services that redefine possibilities for our clients. We've earned recognition from industry leaders like Gartner, IDC, and Frost & Sullivan for our expertise in Managed Cloud Services, Cloud Security, and AI innovation.

Systems AdministratorJob Title - Systems Administrator

Zachary Piper Solutions, LLCCompany Name - Zachary Piper Solutions, LLC

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Remote

Full-time

Piper Companies is seeking a Systems Administrator for an established healthcare organization. This is a 6-month contract and is REMOTE (based in US, must work EST). Responsibilities of the Systems Administrator: Support the remediation of Windows Server 2012 environments, including upgrade planning and execution to Azure. Maintain and administer enterprise-level Windows and Linux systems in a hybrid on-prem/cloud environment. Collaborate with vendors to manage third-party applications and navi

Systems AdministratorJob Title - Systems Administrator

Zachary Piper Solutions, LLCCompany Name - Zachary Piper Solutions, LLC

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Remote

Full-time

Piper Companies is seeking a Systems Administrator for an established healthcare organization. This is a 6-month contract and is REMOTE (based in US, must work EST). Responsibilities Support the remediation of Windows Server 2012 environments, including upgrade planning and execution to Azure. Maintain and administer enterprise-level Windows and Linux systems in a hybrid on-prem/cloud environment. Collaborate with vendors to manage third-party applications and navigate upgrade or decommission sc

Hybrid Systems Engineer, Sr (Windows / Linux) / Onsite: COJob Title - Hybrid Systems Engineer, Sr (Windows / Linux) / Onsite: CO

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Remote or Littleton, Colorado, USA

Full-time

Job Description Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partners around the world to bring the latest technology to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Enterprise Operations (EO) position supports the Lockheed Marti

Information Systems Security Administrator - FLRAAJob Title - Information Systems Security Administrator - FLRAA

Textron, Inc.Company Name - Textron, Inc.

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Fort Worth, Texas, USA

Full-time

We're more than aviation experts, we're pioneers. We challenge what's possible. From breaking the sound barrier to advanced tiltrotor systems. Today, Bell is shaping the future of aviation. And we want you. Information Systems Security Administrator Bring your skills and experience as an Information Systems Security Administrator (ISSA) to support our security program. The ISSA is a classified systems administrator responsible for maintaining the appropriate operational security configuration fo

Information Systems Security AdministratorJob Title - Information Systems Security Administrator

Textron, Inc.Company Name - Textron, Inc.

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Fort Worth, Texas, USA

Full-time

Systems AdministratorJob Title - Systems Administrator

Accenture LLPCompany Name - Accenture LLP

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San Antonio, Texas, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative

Systems AdministratorJob Title - Systems Administrator

Robert HalfCompany Name - Robert Half

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Corinth, Texas, USA

Contract

Description We are looking for an experienced Systems Administrator to join our team in Corinth, Texas. This long-term contract role is ideal for individuals with a passion for managing and maintaining IT systems in a dynamic and collaborative environment. As part of a dedicated team, you will play a critical role in ensuring the reliability and security of our infrastructure while contributing to project-based initiatives. Responsibilities: Oversee the day-to-day administration of IT systems t

PWE Systems Administrator (ISSA)Job Title - PWE Systems Administrator (ISSA)

RTX CorporationCompany Name - RTX Corporation

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Richardson, Texas, USA

Full-time

Date Posted: 2025-05-28 Country: United States of America Location: HTX36: Richardson, TX 3200 E Renner Rd , Richardson, TX, 75082-2402 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 Collins Aerospace, Digital Technology, is hiring a Systems Administrator for our Secure Labs support team. A minimum Collateral

PWE Systems Administrator (ISSA) (Onsite)Job Title - PWE Systems Administrator (ISSA) (Onsite)

RTX CorporationCompany Name - RTX Corporation

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Richardson, Texas, USA

Full-time

Date Posted: 2025-05-28 Country: United States of America Location: HTX36: Richardson, TX 3200 E Renner Rd , Richardson, TX, 75082-2402 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 Collins Aerospace, Digital Technology, is hiring a Sr. Systems Administrator for our Secure Labs support team. A minimum Collat

Systems Administrator IIJob Title - Systems Administrator II

Judge Group, Inc.Company Name - Judge Group, Inc.

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Plano, Texas, USA

Full-time

Location: Plano, TX Salary: $40.00 USD Hourly - $45.00 USD Hourly Description: Technical Systems Administrator Contract | 6+ Months Job Summary The Technical Systems Administrator is responsible for the provisioning, installation, configuration, operation, and maintenance of systems hardware, software, and related infrastructure within the Business Area Network and internet-based environments. This role supports technical research and development to drive innovation and ensures that syste

Systems Administrator IIJob Title - Systems Administrator II

Sierra Nevada CorporationCompany Name - Sierra Nevada Corporation

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Remote or Southern Pines, North Carolina, USA

Full-time

Do you have an eye for detail and a passion for developing innovation solutions? Join our team! As a Systems Administrator II, you will be using your skills and expertise to assist in the analysis, development, and configuration of our existing software and systems that address business requirements and processes. You'll be responsible for evaluating the interface between hardware and software, operational requirements, and characteristics of our systems, establishing and documenting system para

Systems AdministratorJob Title - Systems Administrator

Robert HalfCompany Name - Robert Half

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Midland, Texas, USA

Full-time

Description Our client is currently seeking a System Administrator reporting to the Sr. Infrastructure Manager in Midland, Texas. This position will be responsible for providing system administration for all PR offices and data centers. In addition, the successful candidate will have a deep and broad knowledge of cloud infrastructure, SaaS, physical / virtual servers, and networking. There is flexibility with the level and title of this role depending on the candidate's skillset, qualifications