Unix administration jobs in Texas

Engineer/Sr Engineer, IT Situational Awareness

Dallas, Texas

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Today

11/4/25 Location: DFW Headquarters Building 8 (DFW-SV08) Cities: Dallas - TX Requisition ID: 81911 Job Description Intro Are you ready to explore a world of possibilities, both at work and during your time off? Join our American Airlines family, and you'll travel the world, grow your expertise and become the best version of you. As you embark on a new journey, you'll tackle challenges with flexibility and grace, learning new skills and advancing your career while having the time of your life.

Full-time

Senior Sybase Database Administrator Engineer

Hybrid in Plano, Texas

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Today

Job Title - Senior Sybase Database Administrator Engineer Hybrid Reston ,VA or Plano,TX Onsite interview required Requirement 10 + Years of strong hands Sybase Database Administration experience in Sybase ASE(Adaptive Server Enterprise) and Sybase Transact- SQL. 10 + Years of strong Hands-on experience of supporting Sybase hosting in Linux environments, on-premises and AWS cloud, AutoSys scheduler, replication set-up, HA(High availability), troubleshooting complex issue, performance de-bugging,

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Contract

Depends on Experience

Linux & HP-UX System Administrator L3 Support

Spring, Texas

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13d 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

Platform Engineer Linux/Unix Expert III

Remote

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21d ago

Role: Platform Engineer Linux/Unix Expert - 1717 Location: Remote About the Role We re looking for a skilled Application Modernization Engineer to lead the migration of legacy applications from AIX to Linux and transition middleware from WebSphere Application Server (WAS) to JBoss Web Server (JWS). This role is central to the bank s infrastructure modernization efforts, directly influencing system performance, scalability, and long-term maintainability. Key Responsibilities Lead the migration o

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Full-time

$80,000 - $100,000

IT Security Specialist

Remote or Cambridge, Massachusetts

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Today

Description We are looking for an experienced IT Security Specialist to join our team in Cambridge, Massachusetts. In this Contract-to-Permanent position, you will play a key role in securing systems and networks within a dynamic and collaborative environment. This opportunity is ideal for someone with a strong background in system administration, network administration, or Linux/Unix administration, who also possesses a passion for security and a proactive approach to problem-solving. Responsi

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Full-time

USD 51.46 - 59.59 per hour

InfoSphere Optim Technical Support Professional

Texas

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Today

Introduction IBM InfoSphere Optim is a data management solution that helps organizations manage data throughout its lifetime, from requirements to retirement. It offers a centralized archiving solution, test data management, protection of data, and data governance. This role specializes in performing and enabling technical support for IBM InfoSphere Optim. Successful candidates will provide technical support assistance to customers using problem determination / problem source identification ski

Full-time

IT Infrastructure Specialist

Remote or Dallas, Texas

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23d ago

JOB SUMMARY An IT Infrastructure Specialist is a technically minded project coordinator and IT support specialist that utilizes successful organization techniques to manage multiple IT projects simultaneously, supporting current clinics and helping facilitate and support CityVet growth. It is the responsibility of the IT Infrastructure Specialist to work with members of the Technology Team, Vendors, interdepartmental connections, and the IT Leadership to find solutions for technology-related pro

Full-time

Senior Oracle Database Administrator

Remote

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Yesterday

Title: Oracle Database Administrator, Senior Location: Remote Description: This is a senior-level E-commerce position requiring a minimum of bachelor s degree in computer science or related or has equivalent work experience. Must have at least 10 years experience in Oracle DBA support. Must have strong administration support skills in Oracle product support leveraging Unix (AIX) environments and strong communication and documentation skills. Must be able to lead and coordinate the design, devel

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Contract

Depends on Experience

Content Manager OnDemand Software Developer Support Engineer

Texas

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Today

Introduction IBM Content Manager OnDemand (CMOD) is an enterprise content management (ECM) and report management solution for archiving and managing high volumes of documents, reports and other data. This role specializes in performing and enabling technical support for IBM Content Manager OnDemand. Successful candidates will provide advanced technical support assistance to customers using problem determination / problem source identification skills. They will utilize technical and negotiation s

Full-time

Senior Linux/Unix Systems Architect/Administrator

Houston, Texas

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Today

Maddisoft has the following immediate opportunity, let us know if you or someone you know would be interested. Send in your resume ASAP. - U.S. Citizens and those authorized to work in the U.S. are encouraged to apply. Looking for W2 CONTRACT, Send in resume along with LinkedIn profile without which applications will not be considered. Call us NOW! Visa sponsorship is available for this position. ** Job Title: Senior Linux/Unix Systems Architect/Administrator (Cloud & Infrastructure) Location:

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Full-time, Part-time, Contract, Third Party

LEAD IT ANALYST - SR. IT ANALYST - Oracle Database Administrator

San Antonio, Texas

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Today

Who We Are: Join the SwRI ITC Support Services team that provides Oracle database support for the Institute Enterprise Resources Planning (ERP), and other databases as needed. Hybrid schedule is available. Objectives of this Role: Serve as database analyst and administrator for the Institute's Oracle based ERP system and other databases.This is a critical position for the Institute that allows for carrying out the day to day activities of the Institute.Provide assistance in resolving issues an

Full-time

Senior System Administrator / Site Reliability Engineer (Unix / Linux)

Austin, Texas

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8d ago

Job Title: Senior System Administrator / Site Reliability Engineer (Unix / Linux)Location: Austin, TX (Onsite)Duration: Long Term Mandatory Skills: Linux/Unix Administration, AWS, Azure, Ansible, Terraform, Kubernetes, CI/CD (GitHub Actions/Jenkins), PrometheGrafana, SRE/DevOps PracticesOverall Experience: 10+ Years Job Description:The Senior System Administrator / Site Reliability Engineer (SRE) is responsible for ensuring high availability, reliability, and performance of mission-critical syst

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Full-time

$50 - $60

IT Security Specialist

Remote or Cambridge, Massachusetts

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Today

Description We are looking for an experienced IT Security Specialist to join our team in Cambridge, Massachusetts. This Contract-to-permanent position offers an exciting opportunity to work in a dynamic environment where you will play a key role in safeguarding systems and networks. The ideal candidate will bring a strong background in system or network administration, coupled with hands-on security expertise and a proactive mindset. Responsibilities: Monitor and respond to high-severity securi

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Full-time

USD 61.75 - 71.50 per hour

Teradata Administrator

Remote

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Today

Teradata AdministratorIntroduction:We are seeking an experienced Teradata Administrator to manage, monitor, and optimize Teradata database environments. The ideal candidate will have strong expertise in database administration, performance tuning, backup and recovery, and system upgrades to ensure optimal availability and reliability of data systems supporting enterprise analytics. Responsibilities:Install, configure, and maintain Teradata Database systems and related tools.Monitor database perf

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Contract

Middleware Team Lead

Remote

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Today

Overview GovCIO is currently hiring for Middleware Team Lead to deploy and manage middleware SW supporting customer applications . This position will be located in Radford, VA and will be a remote position. Responsibilities Senior middleware administration experience deploying and managing middleware SW supporting customer applications. Responsible for all facets of engineering and administering the mid-tier. This includes architecting infrastructure, installing, and configuring Application a

Full-time

USD 100,000.00 - 150,000.00 per year

System Administrator

Houston, Texas

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22d ago

Job Title: Senior Linux System Administrator Location: Houston TX Workplace Type: On-site/Hybrid Job Type: Contract We are #hiring a Senior Linux System Administrator to join our IT Technical Services team! This role is crucial for administering, implementing, and supporting our critical IT infrastructure with a focus on Linux, storage, and backup systems. If you are a technical expert passionate about complex operating systems and ensuring high availability, we want to hear from you. Key Respo

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Contract

Depends on Experience

System Administrator (Windows/Wintel or UNIX)

Irving, Texas

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Today

Grow your career as a Systems Administrator (Windows/Wintel or UNIX)) with an innovative global bank in Irving, TX. Contract role with strong possibility of extension. Will require working a hybrid schedule 2 days onsite per week and a rotating on-call schedule to provide coverage in a 24/7 environment. Join one of the world's most renowned global banks and trusted brand with over 200 years of continuously evolving financial services worldwide. You will work alongside some of the smartest minds

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Full-time

63/hr - 68/hr

Database Administrator (Oracle)

San Antonio, Texas

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Today

Basic Qualifications Bachelor's degree in computer science, information technology/related discipline 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

Full-time

USD 109,131.00 - 118,084.00 per year

Cloud Security Engineer

Remote or Alpharetta, Georgia

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Today

Calling all innovators - find your future at Fiserv. We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a differ

Full-time

USD 109,000.00 - 182,400.00 per year

Product Specialist 5

Remote

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28d ago

Description Looking for candidate to function as a SME on enterprise systems, with advance skills in administering WebSphere Application Server, cloud system administration (including Azure, AWS, and Google) and containerized application platform on Linux / AIX. The ideal candidate should have hands-on experience in a multi-tier and multi-platform enterprise class environments. Knowledge Strong knowledge of Unix, Linux, Windows operating system and system administration tasksHighly available ver

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Contract

$50 - $90

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Unix administration jobs in Texas, USA