• Computer Task Group, Inc (Dallas, TX)
    CTG is seeking to fill a C2M Administrator position for our client in Dallas, TX. Location: Dallas, TX Duration: 11 months Duties: Administer, configure, and ... for administrative and operational tasks. Support WebLogic, Oracle Database, and Linux environments used in OUAF applications. Skills: Strong hands-on experience… more
    Upward (08/12/25)
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  • Linux Systems Administrator

    L3Harris (Greenville, TX)
    …29921 Job Location: Greenville, TX Schedule: 9/80 Job Description: L3Harris is seeking a Linux Systems Administrator to support Mission System integration in ... Essential Functions: + Integrate with a team of multidiscipline, multileveled Systems Administrators supporting Linux , Windows, and Network operations +… more
    L3Harris (10/17/25)
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  • Systems Administrator ( Linux

    RTX Corporation (Mckinney, TX)
    …intelligent solutions for the global aerospace and defense industry. We are currently seeking a Linux Systems Administrator that will be working onsite in a ... highly collaborative, multi-platform and multi-disciplined environment. The Systems Administrator is required to have an...Administration in a heterogeneous Redhat 7 & 8 Enterprise Linux environment. + Understanding and knowledge of Linux more
    RTX Corporation (10/21/25)
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  • Linux Administrator

    Eliassen Group (Westlake, TX)
    ** Linux Administrator ** **Westlake, TX** **Type:** Contract **Category:** IT Admin **Industry:** Financial Services **Reference ID:** JN -082025-103234 **Date ... EST Our client has an exciting opportunity for a Linux Administrator . The role involves working within...DevOps and EngOps work. You will be leading managing Linux , Unix, Windows operating systems , Hypervisors, Hardware,… more
    Eliassen Group (10/14/25)
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  • Public Cloud Linux Engineer

    NTT America, Inc. (Plano, TX)
    …Responsibilities** **Cloud Linux Operations & Support** Provide support for Linux -based systems across on-premises and cloud environments (AWS, Azure, GCP, ... Skills** In-depth expertise in provisioning, configuring, securing, supporting, and optimizing Linux -based systems (RHEL, CentOS, Ubuntu, etc.) in enterprise… more
    NTT America, Inc. (10/02/25)
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  • Senior Linux System Admin

    Citigroup (Irving, TX)
    …This individual will serve as a subject matter expert (SME) on Linux systems , providing deep operational insight, advanced troubleshooting, performance tuning ... are seeking an accomplished and technically astute Level 3 Linux System Administrator to join our high-performance... Linux Programming, Linux Server Administration, Linux System Administration, Linux Systems more
    Citigroup (09/23/25)
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  • Administrator , Systems Operator, SA

    Ricoh Americas Corporation (Dallas, TX)
    ** Administrator , Systems Operator, SA** **POSITION PROFILE** The SA - Digital Automation Systems Operator works within designated Service Advantage Partner ... hands-on support with an electro-mechanical aptitude and familiarity with Linux and command line to support client systems... Linux and command line to support client systems and products. Provides Partner level direct communications and… more
    Ricoh Americas Corporation (10/22/25)
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  • PWE Systems Administrator (ISSA)…

    RTX Corporation (Richardson, TX)
    …Clearance:** DoD Clearance: Secret Collins Aerospace, Digital Technology, is hiring a Systems Administrator for our Secure Labs support team. A minimum ... Virtualization Technologies (VM Ware, etc.) + Experience as a Linux Systems Administration + Experience with Compliance frameworks (RMF, DFARS). **Qualifications… more
    RTX Corporation (08/13/25)
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  • Cyber Administrator

    CAE USA INC (Arlington, TX)
    …candidate will demonstrate proficiency in both Microsoft Windows and Linux systems administration, including hardening, deployment, configuration, maintenance, ... advancement and having fun! Summary We are seeking a mission-focused System Administrator to support IT operations and cybersecurity readiness in a defense… more
    CAE USA INC (10/23/25)
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  • Windchill Application Administrator

    RTX Corporation (Plano, TX)
    …technologies, tools, or methodologies: PTC Windchill, Oracle database, Apache web server, Linux & Windows server operating systems , Shell scripting, CAD tools ... clearance **Security Clearance:** DoD Clearance: Top Secret **Windchill Application Administrator (PDM/PLM)** **Business and Transformation Technologist, Principal Specialist** **Raytheon… more
    RTX Corporation (09/19/25)
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  • Principal Storage Administrator

    RTX Corporation (Mckinney, TX)
    systems administration and networking administration experience, Windows or Linux administration, backup, and recovery enterprise suites. + Experience with ... world. **What You Will Do:** + Administer, configure, and maintain storage systems (ie NetApp AFF/FAS and/or hybrid environments running ONTAP. + Manage storage… more
    RTX Corporation (10/15/25)
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  • Network Administrator - Onsite Richardson

    Cognizant (Dallas, TX)
    …subnetting + **System Administration Skills:** + Proficiency in server-based operating systems ( Linux , Windows) and desktop/server applications (WINS, DHCP, ... **Lab Network Administrator ** Well versed in below activities and be...+ Strong knowledge of active directory (AD) and troubleshooting Linux AD connections. + Experience with virtual environments like… more
    Cognizant (10/07/25)
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  • Principal System Administrator

    RTX Corporation (Mckinney, TX)
    …(OS). + Responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux /Windows ... Enterprise Linux , Active Directory, WSUS, VMware, BackupExec, NetBackup, prior systems administration experience, Windows or Linux administration, Backup and… more
    RTX Corporation (10/24/25)
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  • Multi Function Info Systems - Level 3 Mpse…

    Lockheed Martin (Fort Worth, TX)
    …updates, anti\-virus/anti\-spyware updates, and patch updates \* Red Hat Enterprise Linux System Administrator \* Importing/Exporting large data volumes \* ... endless amount of opportunities for up\-and\-coming Autonomic Logistics Information Systems \(ALIS\) or Mission Planning Environment \(MPE\) professionals seeking a… more
    Lockheed Martin (10/08/25)
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  • Cyber Systems Security Engineer - Level 2

    Lockheed Martin (Fort Worth, TX)
    …rack components Applying updates, anti\-virus/anti\-spyware updates, and patch updates Linux System Administrator Importing/Exporting large data volumes ... and monitoring \* Maintaining smooth, secure operation of multi\-user computer systems through coordination with peers, Tier2 and engineers \* Desktop and… more
    Lockheed Martin (10/10/25)
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  • Lead Application Reliability Engineer

    Citigroup (Irving, TX)
    …or a large, complex, and/or global environment. + Experience managing and troubleshooting ** Linux Operating Systems ** **_(eg, Red Hat Enterprise Linux ... support and maintenance of a robust technology stack including middleware, databases, Linux , and AWS EKS, all within a strictly regulated and change-controlled… more
    Citigroup (10/18/25)
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  • Senior Endpoint Security Engineer

    AIG (Dallas, TX)
    …. + Intermediate to Expert level knowledge on Windows & Active Directory, Unix/ Linux Operating Systems . + Good scripting knowledge using PowerShell, Python, ... standards of excellence. The team is responsible for shielding the company's systems from security risks, while designing technology strategies that enable AIG's… more
    AIG (08/27/25)
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  • Lead Cloud Oracle Database (DBA) Engineer

    NTT America, Inc. (Plano, TX)
    …with database performance tuning, query optimization, and troubleshooting. Expertise in Unix/ Linux operating systems (Oracle Linux preferred), shell ... (US). Job Summary We are seeking a highly skilled Lead Oracle Database Administrator (DBA) with strong expertise in Oracle Exadata and Oracle Cloud infrastructure… more
    NTT America, Inc. (10/02/25)
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  • Information System Security Engineer

    CAE USA INC (Arlington, TX)
    …eligible for this role. Preferred Skills: Experience with System Administration of Windows and Linux Systems is highly desired. This is to include: + deployment ... and technical volumes. + Assist in Cost Account Management. + High level system administrator skills under Windows or Linux (prefer both). + Experience with… more
    CAE USA INC (10/24/25)
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  • Information Technology Intern - Infrastructure

    Texas Instruments (Dallas, TX)
    …of technologies, including programming languages such as Python, relational databases, Linux and Windows operating systems , hypervisor technologies, storage ... and skills in a variety of technologies, including client and server operating systems such as Windows, Linux , and MacOS, Active Directory/LDAP, hypervisor… more
    Texas Instruments (09/06/25)
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