• Linux System Administrator

    L3Harris (Greenville, TX)
    …land, sea and cyber domains in the interest of national security. Job Title: Linux Systems Administrator Job Code: 30430 Job Location: Greenville, TX Schedule: ... 9/80 (Every other Friday off) Job Description: This position is for a Linux Systems Administrator supporting Agile Software Development Engineering teams. The… more
    L3Harris (10/30/25)
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  • Linux Systems Administrator

    L3Harris (Greenville, TX)
    …land, sea and cyber domains in the interest of national security. Job Title: Linux System Administrator Job Code: 29921 Job Location: Greenville, TX Schedule: ... 9/80 Job Description: L3Harris is seeking a Linux Systems Administrator to support Mission System integration in unclassified and secure DoD DCSA accredited… more
    L3Harris (10/17/25)
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  • Systems Administrator ( Linux )

    RTX Corporation (Mckinney, TX)
    …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 active secret security clearance as they will be… more
    RTX Corporation (10/21/25)
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  • Linux Administrator

    TEKsystems (Irving, TX)
    …coverage which will include weekends** Description TEKsystems is currently looking for RHEL Administrator with 8+ yrs of experience with RHEL 7/8/9 in an enterprise ... related to RHEL OS and various x86 hardware. Details: Administrator , to be working within the CDS Operations Engineering...Required Qualifications 8+ years of experience with Red Hat Linux . RHEL 7, 8 and 9 5+ years of… more
    TEKsystems (11/03/25)
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  • Senior Linux System Admin

    Citigroup (Irving, TX)
    …Overview** **:** We are seeking an accomplished and technically astute Level 3 Linux System Administrator to join our high-performance infrastructure team. This ... individual will serve as a subject matter expert (SME) on Linux systems, providing deep operational insight, advanced troubleshooting, performance tuning and… more
    Citigroup (09/23/25)
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  • Infrastructure Engineer - Elastic Stack

    PNC (Dallas, TX)
    …is primarily based in a location within PNC's footprint. Qualifications: Competent Linux administrator Basic Experience with package management (packaging up ... product that teams can install themselves. Expert in running Ansible playbooks Writing of playbooks a plus Experience with Elastic and common troubleshooting GIT - experience with Source code, pulling, and cloning One or more scripting languages - Shell… more
    PNC (10/31/25)
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  • Public Cloud Linux Engineer

    NTT America, Inc. (Plano, TX)
    …and forward-thinking organization, apply now. We are currently seeking a Public Cloud Linux Engineer to join our team in Plano, Texas (US-TX), United States (US). ... Job Description Summary: The Cloud Linux Engineer is responsible for advanced technical support, administration, and optimization of managed customer cloud… more
    NTT America, Inc. (10/02/25)
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  • Windchill Application Administrator

    RTX Corporation (Plano, TX)
    …Clearance:** DoD Clearance: Top Secret **Windchill Application Administrator (PDM/PLM)** **Business and Transformation Technologist, Principal Specialist** ... a fast-paced and diverse atmosphere under limited supervision. As an Application Administrator on our digital technology team, you will provide onsite server-side… more
    RTX Corporation (09/19/25)
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  • Principal Storage Administrator

    RTX Corporation (Mckinney, TX)
    …and support NAS (NFS, SMB/CIFS) protocols + Maintain multiprotocol access (Windows/ Linux ) and configure name-mapping, SMB encryption, and security best practices + ... prior systems administration and networking administration experience, Windows or Linux administration, backup, and recovery enterprise suites. + Experience with… more
    RTX Corporation (10/15/25)
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  • Principal System Administrator

    RTX Corporation (Mckinney, TX)
    …documentation, and acceptance phases. + Experience in Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods. + ... operation, and maintenance of systems hardware and software related to a Linux /Windows infrastructure for classified programs. Duties include, but are not limited… more
    RTX Corporation (10/11/25)
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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 locations ... structures. Utilize hands-on support with an electro-mechanical aptitude and familiarity with Linux and command line to support client systems and products. Provides… more
    Ricoh Americas Corporation (10/22/25)
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  • Mainframe System Administrator Apprentice

    IBM (Dallas, TX)
    …take a less traditional path to achieve it? As a Mainframe System Administrator at IBM, you'll work with other System Administrators, Systems Programmers, network, ... skills to grow your career as a Mainframe System Administrator . What is an Apprenticeship? IBM Apprenticeship Program, which...in the use of applications running on Windows and Linux workstations What's the Experience? As an apprentice, you'll… more
    IBM (11/01/25)
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  • System Administrator (Windows/Wintel…

    Motion Recruitment Partners (Irving, TX)
    System Administrator (Windows/Wintel or UNIX) Irving, TX **Hybrid** Contract $63/hr - $68/hr Grow your career as a Systems Administrator (Windows/Wintel or ... Technologies, PKI Infrastructure. + Must have solid systems administration experience in Linux , Red Hat, Solaris, AIX, or Windows Server and other Unix based… more
    Motion Recruitment Partners (10/28/25)
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  • PWE Systems Administrator (ISSA) (Onsite)

    RTX Corporation (Richardson, TX)
    …DoD Clearance: Secret Collins Aerospace, Digital Technology, is hiring a Systems Administrator for our Secure Labs support team. A minimum Collateral Secret is ... and 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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  • Guardium Administrator /Engineer

    WaveStrong (Addison, TX)
    Exciting Guardium Administrator /Engineer career opportunity. Requirements + Experience with administration of IBM Guardium Database Activity Monitoring in ... DB: Mainframe DB2 on z/OS, IMS + DB: UDB DB2/Oracle/Sybase on AIX or SOLARIS or LINUX + DB: SQL Server 2012 on Windows Server 2012 R2 + Experience developing and… more
    WaveStrong (08/15/25)
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  • Infrastructure Cloud Engineer Lead

    NTT DATA North America (Dallas, TX)
    …Windows/ Linux certifications. + Microsoft Certified: Windows Server Hybrid Administrator Associate + Microsoft Certified: Azure Administrator Associate + ... & Management + Lead, mentor, and develop a team of cloud Windows/ Linux engineers and administrators. + Allocate resources, manage schedules, and ensure adherence… more
    NTT DATA North America (09/03/25)
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  • Senior Endpoint Security Engineer

    AIG (Dallas, TX)
    …and expertise with Infrastructure hardening and Security settings for Windows and Linux . + Intermediate to Expert level knowledge on Windows & Active Directory, ... Unix/ Linux Operating Systems. + Good scripting knowledge using PowerShell,...and concise communications. Preferred IT Certifications: + Tanium Certified Administrator (TCA). + Vendor certifications on Endpoint Security Tools… more
    AIG (08/27/25)
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  • Senior Privileged Access Management Engineer (PAM)…

    RTX Corporation (Richardson, TX)
    …Ping SSO, and related technologies + Day to day functions of a PAM administrator - application and infrastructure layer support + Lead the implementation for Mac OS ... in Azure, AWS, and vSphere platforms + Serve as Linux SME + Develop and maintain automation scripts and...with BeyondTrust Active Directory Bridge + Experience in both Linux , Windows OS, and Mac OS + Proficiency in… more
    RTX Corporation (10/26/25)
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  • IT Operations Development Program

    Texas Instruments (Dallas, TX)
    …technologies, including programming languages such as Python, relational databases, Linux and Windows operating systems, hypervisor technologies, storage platforms, ... networking, and the implementation of software-defined network solutions. **System Administrator :** Responsible for designing, implementing, securing and maintaining server,… more
    Texas Instruments (09/06/25)
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  • Information Technology Intern - Infrastructure

    Texas Instruments (Dallas, TX)
    …technologies, including programming languages such as Python, relational databases, Linux and Windows operating systems, hypervisor technologies, storage platforms, ... networking, and the implementation of software-defined network solutions. **System Administrator ** : Responsible for designing, implementing, securing and maintaining… more
    Texas Instruments (09/06/25)
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