Windows/Linux System Administrator Jobs in Texas

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Desktop Support Technician

Robert Half

New Braunfels, Texas, USA

Full-time

Description On-call rotation and after hours as needed. Installation and configuration Provisioning and system setup for new hires. Install antivirus software and ensure virus definitions are up to date. Maintaining, Deploying, and managing Microsoft Entra, Intune, O365. Managing and deploying mobile devices using an MDM such as Addigy. Configuring and deploying VOIP solutions. Building and deploying file servers and cloud computing solutions Network monitoring Network firewall and switch

Microsoft 365 SharePoint Administrator

Modern Technology Solutions

Remote or Huntsville, Alabama, USA

Full-time

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI), is seeking to hire a Microsoft 365 SharePoint Administrator to join the team. Note, this is a remote position with the ideal candidate residing near one of our office sites in Colorado Springs, CO., Huntsville, AL., Alexandria, VA., or Dayton, OH. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: O

IT Cloud Engineer - Remote

Mayo Clinic

Remote or Rochester, Minnesota, USA

Full-time

Job Description Work will primarily be performed remotely but may require incumbent to be on site. Mayo Clinic is seeking a highly skilled and motivated Cloud Engineer to join our team. The ideal candidate will develop and implement innovative cloud-based operational capabilities that support key business initiatives aligned with Mayo Clinic's strategic goals. This role requires demonstrated experience in leveraging DevOps and FinOps methodologies to optimize customer workflows and maximize bus

Systems Administrator II

Judge Group, Inc.

Plano, Texas, USA

Contract

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

UI Developer (.Net C#, APIs) Remote

Gainwell Technologies LLC

Remote or Milwaukee, Wisconsin, USA

Full-time

Be part of a team that unleashes the power of leading-edge technologies to help improve the health and well-being of those most vulnerable in our country and communities. Working at Gainwell carries its rewards. You'll have an incredible opportunity to grow your career in a company that values work flexibility, learning, and career development. You'll add to your technical credentials and certifications while enjoying a generous, flexible vacation policy and educational assistance. We also have

Network Engineer

SAIC

Remote

Full-time

Job ID: 2506496 Location: REMOTE WORK, VA, US Date Posted: 2025-07-08 Category: Information Technology Subcategory: Network Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: Yes Description SAIC is seeking a Network Engineer (Fleet Support) to join our TACNET ISEA team. This position is a fully remote position supporting dedicated distance support to US Na

Senior SAP Basis Administrator

Infomatics Corp

Houston, Texas, USA

Contract

Key Responsibilities: Lead and participate in analysis, requirements gathering, estimation, and system design for SAP projects. Perform and oversee SAP system administration including installation, upgrades, configuration, integration, and system refreshes. Manage project setups, documentation, deployment, and end-user training in coordination with internal teams and external vendors. Ensure production stability through performance optimization and environment management. Collaborate with vendo

Site Reliability Engineer - Senior

Judge Group, Inc.

Dallas, Texas, USA

Contract

Location: Dallas, TX Salary: $65.00 USD Hourly - $70.00 USD Hourly Description: Our client is currently seeking a Site Reliability Engineer - Senior We're looking for a Staff Site Reliability Engineer (SRE) to join our team and help us build highly reliable, scalable, and resilient systems. In this role, you'll apply an SRE mindset to solve complex problems through automation, instrumentation, and simplification. You'll partner closely with architects, development leads, and business partne

Senior System Software Engineer, Cloud Learning Platform

NVIDIA Corporation

Remote or Santa Clara, California, USA

Full-time

For over 25 years, NVIDIA has pioneered visual and accelerated computing. Today, we're defining the future of AI, equipping millions with groundbreaking tools and essential training to lead a new era of innovation. We empower developers to excel and do their life's work. We're seeking an innovative System Software Engineer, to design and build services that immerse learners in the practical application, deployment, and optimization of NVIDIA's innovative technologies. You will be instrumental in

Database Reliability Engineer (SQL), Enterprise Justice - C&J

Tyler Technologies, Inc

Plano, Texas, USA

Full-time

Description The Database Reliability Engineer (DBRE) - SQL is a critical technical leader responsible for ensuring the availability, performance, and reliability of Tyler Technologies' SQL Server infrastructure. This role combines deep database expertise with operational excellence to support high-performance systems across complex client environments. The ideal candidate is confident, authoritative, and takes ownership in diagnosing and resolving issues, while influencing database design, infr

Sr Systems Engineer - Mid Career

Lockheed Martin Corporation

Remote or Littleton, Colorado, USA

Full-time

Job Description WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. WHAT WE'RE DOING At Lockheed Martin, we're revolutionizing the aerospace and defense sector through groundbreakin

Navy Database Development Manager

Noblis

Remote or Pascagoula, Mississippi, USA

Full-time

Responsibilities Preference will be given to candidates located in Pascagoula, MS. However, we are open to candidates located in Norfolk, VA; Bath, ME; and San Diego, CA. Noblis MSD has an opening for a Naval Tactical Command Support System (NTCSS) Database Development Manager to lead a team of IT and NTCSS support staff providing System Administrator services under the Fleet Support Services contract. This position will provide management support for 4 remote sites: Pascagoula, MS; Bath, ME;

Network Engineer III, Telecom and Network

UT Southwestern Medical Center at Dallas

Dallas, Texas, USA

Full-time

WHY UT SOUTHWESTERN? With over 75 years of excellence in Dallas-Fort Worth, Texas, UT Southwestern is committed to excellence, innovation, teamwork, and compassion. As a world-renowned medical and research center, we strive to provide the best possible care, resources, and benefits for our valued employees. Ranked as the number 1 hospital in Dallas-Fort Worth according to U.S. News & World Report , we invest in you with opportunities for career growth and development to align with your future go

Technical Support Specialist III- IT Service Desk Support- FT- Days

DHR Health

Edinburg, Texas, USA

Full-time

DHR Health - US:TX:Edinburg - Days Summary: POSITION SUMMARY: The Tier Technical Support Specialist develops and supports technologies that center on the desktop presentation to users as well as infrastructure components that support the desktop environment. Under limited supervision, resolves technology issues, interfaces with vendors for product information and support, and works with end users to ensure high satisfaction levels and reliability of our systems. POSITION EDUCATION/ QUALIFICAT

Senior SQL Database Administrator (VA ESOM)

Kentro

US

Full-time

Description Thank you for considering IT Concepts dba Kentro, where innovation drives opportunity and collaboration leads to success. Our dynamic community of experts is fully committed to advancing our customers' missions, fostering professional growth, and making a positive impact on our communities. Our transition to Kentro in 2025 reflects a rich legacy built upon the foundation of IT Concepts. Rather than leaving ITC behind, we confidently embrace a future centered around the Core of More

Application Support Administrator - Rapport Platform

M&T BANK CORPORATION

Remote or Philadelphia, Pennsylvania, USA

Full-time

The Bank sponsors individuals for TN and H-1B transfers on a case by case basis. Please note that this position is not open to anyone on an F-1 student visa including those eligible for CPT/OPT or the Stem OPT extension. Overview: We are seeking a skilled Rapport System Administrator & DevOps Engineer to support and maintain both front-end user interfaces and back-end components of the Rapport system. This role is responsible for environment management, system monitoring, automated deployments,

IS Business Intelligence Analyst II

CareOregon, Inc.

Austin, Texas, USA

Full-time

Candidates hired for remote positions must reside in Oregon, Washington, Utah, Idaho, Arizona, Nevada, Texas, Montana, or Wisconsin. Job Title IS Business Intelligence Analyst II Requisition # 25021 Exemption Status Exempt Management Level n/a Direct Reports n/a Manager Title IS Business Intelligence Supervisor Department Business Intelligence Pay and Benefits The hiring salary is $144,144.00/year, 5% bonus target, full benefits Posting Notes This position qualifies for CareOre

IS Business Intelligence Analyst II

CareOregon, Inc.

Houston, Texas, USA

Full-time

Candidates hired for remote positions must reside in Oregon, Washington, Utah, Idaho, Arizona, Nevada, Texas, Montana, or Wisconsin. Job Title IS Business Intelligence Analyst II Requisition # 25021 Exemption Status Exempt Management Level n/a Direct Reports n/a Manager Title IS Business Intelligence Supervisor Department Business Intelligence Pay and Benefits The hiring salary is $144,144.00/year, 5% bonus target, full benefits Posting Notes This position qualifies for CareOre

IS Business Intelligence Analyst II

CareOregon, Inc.

San Antonio, Texas, USA

Full-time

Candidates hired for remote positions must reside in Oregon, Washington, Utah, Idaho, Arizona, Nevada, Texas, Montana, or Wisconsin. Job Title IS Business Intelligence Analyst II Requisition # 25021 Exemption Status Exempt Management Level n/a Direct Reports n/a Manager Title IS Business Intelligence Supervisor Department Business Intelligence Pay and Benefits The hiring salary is $144,144.00/year, 5% bonus target, full benefits Posting Notes This position qualifies for CareOre

IS Business Intelligence Analyst II

CareOregon, Inc.

Dallas, Texas, USA

Full-time

Candidates hired for remote positions must reside in Oregon, Washington, Utah, Idaho, Arizona, Nevada, Texas, Montana, or Wisconsin. Job Title IS Business Intelligence Analyst II Requisition # 25021 Exemption Status Exempt Management Level n/a Direct Reports n/a Manager Title IS Business Intelligence Supervisor Department Business Intelligence Pay and Benefits The hiring salary is $144,144.00/year, 5% bonus target, full benefits Posting Notes This position qualifies for CareOre