• Linux Systems Administrator

    Lockheed Martin (San Antonio, TX)
    Systems , Cyber & Intelligence, where we foster innovation and integrity\. As a Linux Systems Administrator , you'll be empowered to create "new realities" ... your referral is hired, you'll receive a payment\! code\-extrefer Linux System Administrator \- Clearance ...excellence and integrity\. **WHO YOU ARE** You are a Linux Systems Administrator who will… more
    Lockheed Martin (01/10/26)
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  • Principal Linux Administrator (Top…

    RTX Corporation (Richardson, 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 (12/12/25)
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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 active secret security clearance as… more
    RTX Corporation (12/02/25)
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  • FSL Linux Systems

    CGI Technologies and Solutions, Inc. (Houston, TX)
    **FSL Linux Systems Administrator (ADV000BAP)** **Category:** Business Consulting, Strategy and Digital Transformation **Main location:** United States, ... States. We have an exciting opportunity for a FSL Linux Systems Administrator to join...upon specific assignment and/or level of US government security clearance held. Dependent upon role and/or federal government security… more
    CGI Technologies and Solutions, Inc. (01/02/26)
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  • Senior Linux System Administrator

    GovCIO (Austin, TX)
    **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This ... role, you will work with other members to mitigate vulnerabilities on Linux -based systems , implement STIGs, address POAMs, and mitigate Zero-Day vulnerabilities.… more
    GovCIO (11/07/25)
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  • PDM/PLM Application Administrator

    RTX Corporation (Plano, TX)
    …only US citizens are eligible for a security clearance ​ **Security Clearance :** Top Secret - Current **Application System Administrator (PDM/PLM - Windchill) ... technologies, tools, or methodologies: PTC Windchill, Oracle database, Apache web server, Linux & Windows server operating systems , Shell scripting, CAD tools… more
    RTX Corporation (11/24/25)
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  • Systems Administrator II

    V2X (Fort Bliss, TX)
    …usage, disk usage, and response times to maintain the STE Device systems operating efficiency. *Sets up administrator accounts, maintains system documentation, ... performance. 3. Assign and update security permissions on a Linux network. 4. Review and interpret Linux ...usage, disk usage, and response times to maintain the systems operating efficiency. *Experience in setting up administrator more
    V2X (12/16/25)
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  • Systems Administrator Autonomic…

    Lockheed Martin (Fort Worth, TX)
    …your future\! This role is for a full time on\-site System Administrator for the Joint Strike Fighter \(JSF\) Program Autonomic Logistics Information System ... selected candidate will work a 3rd shift \(overnight\) position\. The system Administrator is responsible for providing the overall on\-site ALIS maintenance and… more
    Lockheed Martin (12/17/25)
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  • Application Systems Administrator

    ASM Research, An Accenture Federal Services Company (Austin, TX)
    …Citrix, SAN storage systems , VMware (vCenter). + Experience with a variety of systems to include VMware, Red Hat Enterprise Linux , vCenter, etc. + Experience ... Responsible for unique or complex information systems and/or information technology projects across more than...other IT Administrators on the project in a senior administrator capacity. Considered a technical specialist in a variety… more
    ASM Research, An Accenture Federal Services Company (01/13/26)
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  • PWE Systems Administrator (ISSA)…

    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 ... Administration, and Virtualization Technologies (VM Ware, etc.) + Experience as a Linux Systems Administration + Experience with Compliance frameworks (RMF,… more
    RTX Corporation (01/08/26)
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  • Network Administrator Autonomic Logistics…

    Lockheed Martin (Fort Worth, TX)
    …network installations/integrations \- Extensive ops and troubleshooting experience with Unix, Linux , Windows operating systems and network hardware \(e\.g\., ... experience your future\! This role is for the Network Administrator for the F\-35 Joint Strike Fighter \(JSF\) ALIS...point of contact for any issues stemming from these systems \. This role provides solutions to a variety of… more
    Lockheed Martin (12/13/25)
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  • Windows/VMware Systems Administrator

    GovCIO (San Antonio, TX)
    …is contingent upon contract award. GovCIO is currently hiring for a Windows/VMware Systems Administrator for our US Courts proposal. This position will be ... $113,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/2380/windows-vmware- systems - administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-TX-San Antonio_ **ID** _2023-2380_… more
    GovCIO (12/23/25)
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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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  • Production Service Systems

    Oracle (Austin, TX)
    …& Analytics solutions within Veterans Affairs healthcare environments. As a System Administrator on our Forward Deploy team, you will take a consultative approach ... and innovative individuals with experience in a variety of technologies including Linux , Windows and server hardware experience. This position involves roughly **70%… more
    Oracle (11/25/25)
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  • Network Administrator Autonomic Logistics…

    Lockheed Martin (Fort Worth, TX)
    …Level II certification \(e\.g\., Security\+, CySA\+, CCNA Security, etc\.\) * Proven Network Administrator experience * Active DoD Secret clearance and be able ... Lockheed Martin Fort Worth ALIS team as a Network Administrator \. This role will assist in all Network efforts...experience * Extensive ops and troubleshooting experience with Unix, Linux , Windows operating systems and network hardware… more
    Lockheed Martin (12/13/25)
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  • Functional Area Expert II ( Linux /Unix)

    TISTA Science and Technology (Austin, TX)
    …Amazon Linux , Azure Linux and other flavors of Linux /Unix operating systems ). Kernel and System Configuration: Familiarity with kernel parameters, ... security principles. + Must have experience identifying risks in Linux /Unix systems and work with technical experts...Administrator (preferably in Solaris Unix and Red Hat Linux ) but also be able to create new methods… more
    TISTA Science and Technology (12/10/25)
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  • Oracle Database Developer/ Administrator

    Alaka'ina Foundation Family of Companies (Fort Sam Houston, TX)
    Oracle Database Developer/ Administrator Location TX - Fort Sam Houston Job Code 13591 # of openings 1 Apply Now ... of Companies (FOCs) is looking for a Oracle Database Developer/ Administrator to provide support for our government customer in...requirements with a number of COTS and in-house developed systems including COLLECTOR, DoDTR, JTTR, ICDB, and IRDB, as… more
    Alaka'ina Foundation Family of Companies (12/23/25)
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  • AIX Administrator

    ASM Research, An Accenture Federal Services Company (Austin, TX)
    …and 3 supports for escalations from Help Desk. + Knowledge and experience troubleshooting Linux and Unix based systems . + Participate in on-call rotations to ... Responsible for unique or complex information systems and/or information technology projects across more than...other IT Administrators on the project in a senior administrator capacity. Considered a technical specialist in a variety… more
    ASM Research, An Accenture Federal Services Company (11/21/25)
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  • Principal System Administrator

    RTX Corporation (Mckinney, TX)
    …start date. US citizenship is required, as only US citizens are eligible for a security clearance . + Must have Window and Linux experience + Experience in one of ... or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is required,… more
    RTX Corporation (01/10/26)
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  • UNIX Administrator

    ASM Research, An Accenture Federal Services Company (Austin, TX)
    …field + Seven (7) years of systems administration experience on UNIX operating systems Red Hat Enterprise Linux (RHEL), Solaris, or HP-UX. + Five (5) years' ... UNIX hardware and operating system environments including Red Hat Enterprise Linux (RHEL), HP-UX, and Solaris. Optimizes backup processes; optimizes disk space… more
    ASM Research, An Accenture Federal Services Company (10/18/25)
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