• 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 (12/02/25)
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  • Application Systems Administrator -3…

    US Bank (Irving, TX)
    …design configuration, problem diagnosis, maintenance, and installation of application systems and/or user group profiles. Validates system functionality after ... Skills/Experience** + Experience with **Oracle Database** + Working knowledge of ** Linux System Management** + Experience with **BASH scripting** + Experience with… more
    US Bank (11/07/25)
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  • Sr. Linux Systems

    RTX Corporation (Richardson, TX)
    …supporting a Raytheon program in a classified environment as a **Sr. Linux System Administrator ** . Responsibilities include building, maintaining, and securing ... Information Technology systems and directly supporting customer mission-critical capabilities. + You...SSCP, CySA+, CND. + Experience administering Red Hat Enterprise Linux + Experience with patching, creating/maintaining RPM packages, performance… more
    RTX Corporation (11/19/25)
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  • Principal Linux Administrator

    RTX Corporation (Mckinney, TX)
    …RTX **Enterprise Services** team: **Role Overview:** RTX is seeking a Principal Linux Administrator to support a highly virtualized Enterprise infrastructure ... and software. + Perform software upgrades, patching, and system maintenance on Linux systems . + Troubleshoot issues and apply security policies specific to … more
    RTX Corporation (11/19/25)
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  • Senior Linux Administrator

    RTX Corporation (Mckinney, TX)
    …world. **What You Will Do:** + Administer, patch, and harden Red Hat Enterprise Linux (RHEL) and related distributions. + Work with Cyber to maintain and monitor ... performance, and logs using enterprise tools. + Configure and maintain STIG-compliant systems in accordance with DoD security standards. + Automate system tasks… more
    RTX Corporation (11/21/25)
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  • Multi -Public Cloud Linux Engineer

    NTT DATA North America (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 DATA North America (10/01/25)
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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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  • PDM/PLM 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 ... security clearance​ **Security Clearance:** Top Secret - Current **Application System Administrator (PDM/PLM - Windchill) - Active TS Clearance required** **Business… more
    RTX Corporation (11/24/25)
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  • Network Administrator Autonomic Logistics…

    Lockheed Martin (Fort Worth, TX)
    …\- Extensive network operations and troubleshooting experience with Unix, Linux , Windows operating systems and network hardware \(e\.g\., ... your future\! This role is for a lead Network Administrator with a System Administrator background for...and environment hardware * Providing tiered troubleshooting of IT systems and network equipment using network schematics, diagrams, and… more
    Lockheed Martin (11/27/25)
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  • IT ERP Administrator

    Teledyne (Dallas, TX)
    …on a team that wins. **Job Description** **Job Summary:** The ERP Administrator /Technical Analyst is responsible for the administration, support, and enhancement of ... enterprise ERP systems , primarily IFS and Dynamics AX. The analyst will...planning, data migration, and package delivery, while also supporting Linux and Windows server environments. The position involves cross-functional… more
    Teledyne (11/22/25)
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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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  • Mainframe System Administrator Apprentice

    IBM (Dallas, TX)
    …lets talk **Your role and responsibilities** Are you interested in pursuing a systems administration career? Are you someone that has a foundational understanding of ... systems administration, but want to take a less traditional...traditional path to achieve it? As a Mainframe System Administrator at IBM, you'll work with other System Administrators,… more
    IBM (11/01/25)
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  • Senior Hadoop Administrator

    Publicis Groupe (Irving, TX)
    **Overview** For this role, we are seeking a **Senior Big Data Administrator ** with a balance of skills in database design, physical implementation, and performance ... + Bachelor's or Master's degree in Computer Science, Information Systems , or related field. + 5+ years of experience...at least 3 years focused on Cloudera. + Strong Linux system administration and shell scripting skills. + Hands-on… more
    Publicis Groupe (11/08/25)
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  • Senior Cloud Database Administrator

    Publicis Groupe (Irving, TX)
    **Overview** For this role, we are seeking a Senior Cloud Database Administrator with a balance of skills in database design, physical implementation, and ... clients. **What You'll Do** + Develop, configure, and manage Data Warehouse database systems and cloud platform work. + Supervise and report on performance metrics,… more
    Publicis Groupe (11/08/25)
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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 (11/13/25)
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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 (11/14/25)
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  • Principal Engineer - Endpoints

    Toyota (Plano, TX)
    …engineering, or a related IT role + Proven experience managing multiple operating systems (Windows, macOS, Linux /Unix, iOS, Android) and diverse environments at ... of this role is to configure, install, maintain and upgrade computer systems hardware and software, administer and maintain security of operating systems more
    Toyota (11/22/25)
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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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  • Site Reliability Engineer

    Cisco (Richardson, TX)
    …or Certified Kubernetes Security Specialist (CKS). + You have a good understanding of linux systems (network stack, file system, OS services) and networking (L2 ... golang (go) or python. Knowledge of working with and automating linux systems tasks using this language is required, including working with configuration… more
    Cisco (11/27/25)
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  • Sr Data Architect, IT

    American Airlines (Dallas, TX)
    …backup/recovery and security strategies; install and support DBMS (Database Management Systems ) software and tools; be responsible for various database activities, ... design for development, test, and production environments + Coordinates with systems engineers to configure servers for DBMS product installation and database… more
    American Airlines (11/26/25)
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