• Assa Abloy (New Haven, CT)
    …job duties specifically: operate and maintain all Production, Pre-Production, and Development systems in a Hybrid Windows and Linux environment; perform System ... Senior TechOps Engineer Duties: Maintain the smooth operation...each of the following: Active Directory, DNS and DHCP; Linux operating systems and infrastructure; Patch Management… more
    Upward (07/06/25)
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  • Raytheon Technologies (Mckinney, TX)
    systems administration and networking administration experience, Windows or Linux administration, Windows administration, or Mac OS experience, backup, and ... optimization. Supervising administrators whose duties may include setting up administrator and service accounts, maintaining system documentation, tuning system… more
    Upward (07/14/25)
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  • Northrop Grumman (San Diego, CA)
    …employees are not only part of history, they're making history. Northrop Grumman Aeronautics Systems is looking to add a Sr . Principal Electronics Engineer - ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Upward (07/29/25)
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  • Tanium (Addison, TX)
    administrator audience Experience documenting for both Windows and Linux environments Understanding of information architecture principles and content ... The Basics: As a Senior Technical Writer at Tanium, you will work...in one or more of the following: endpoint security, systems management, system administration, software engineering, or incident response… more
    Upward (07/30/25)
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  • SAIC (Hurlburt Field, FL)
    Job Description Description SAIC is seeking a senior Subject Matter Expert (SME) for AFMSTT sustainment, acquisition, modification, government testing and ... no remote). Job Description: Provide technical expertise as the system administrator for server-based exercise networks, servers, data services, and applications in… more
    Upward (07/06/25)
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  • Lead Linux Systems

    Huntington Ingalls Industries (Nellis AFB, NV)
    …Who We Are Mission Technologies, a Division of HII, is seeking a Linux Systems Administrator Lead to support a Modeling, Simulation, ... $120,000.00 - $150,000.00 Security Clearance: TS/SCI Level of Experience: Senior Meet HII's Mission Technologies Division Our team of...What You Will Do Maintain continuous operation of multi-user Linux computer systems to ensure team can… more
    Huntington Ingalls Industries (07/09/25)
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  • Senior Linux Systems

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) ... and make a difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where you'll provide crucial support for the… more
    Leidos (07/16/25)
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  • Linux Systems Administrator

    Arena Technical Resources, LLC (St. Louis, MO)
    Linux Systems Administrator Location: St. Louis, MO, US Job ID:...+ 8 Years Experience | + + + | Level 3 - Senior | - PhD + 2 Years Experience | | | | ... a talented TS/SCI cleared Red Hat Data Center / Systems Administrator in St. Louis, MO to...(not just familiarity) RedHat or some other variance of Linux - Must be able to troubleshoot users' problems… more
    Arena Technical Resources, LLC (07/22/25)
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  • Linux Systems Administrator

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux ** ** Systems Administrator ** in our **National Security Sector's (NSS) ... support for implementation, troubleshooting and maintenance of Information Technology (IT) systems . Manage IT system infrastructure and any processes related to… more
    Leidos (07/26/25)
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  • Senior Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) ... qualified candidate for a small, diverseteam that provides end-to-end software, systems , and network engineering services to support Integrated Discovery Operations… more
    Leidos (05/14/25)
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  • Senior Linux /Unix Systems

    SMX (Dahlgren, VA)
    Senior Linux /Unix Systems Administrator (4411)at SMX(View all jobs) (https://www.smxtech.com/careers/) Dahlgren, VA SMX is looking for a highly motivated ... Senior Linux /Unix Administrator to join...Warfare Center Dahlgren Division (NSWCDD) in Dahlgren, VA. The Senior Systems Administrator will work… more
    SMX (07/25/25)
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  • Systems Administrator ( Linux

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    …The Alaka`ina Foundation Family of Companies (FOCs) is looking for a Linux Systems Administrator Range Network. The position will ... Systems Administrator ( Linux ) Location... Systems Administrator ( Linux ) Location HI - Kaua'i...status reports and technical briefs, as required, to supervisor, senior management, and customers. + Usage of cryptographic log-on… more
    Alaka'ina Foundation Family of Companies (07/30/25)
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  • Senior Systems Administrator

    First Division Consulting (Dahlgren, VA)
    …is contingent on contract award** Position Overview: First Division Consulting is seeking a Senior Unix/ Linux Systems Administrator to support a ... and advanced detection methods. Key Responsibilities: + Administer and maintain Unix/ Linux systems to ensure reliability, security, and performance. +… more
    First Division Consulting (06/19/25)
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  • Senior Systems Administrator

    Tyto Athene (Doral, FL)
    **Description** Tyto Athene is searching for a ** Senior Systems Administrator ( Linux )** to support US Southern Command on the SCITES II Contract in ... Doral, Florida. The Senior Linux Administrator leads the design, implementation, and maintenance of complex Linux -based to support USSOUTHCOM's… more
    Tyto Athene (07/28/25)
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  • Senior Systems Administrator

    GovCIO (Bismarck, ND)
    **Overview** GovCIO is hiring for a Senior Systems Administrator ( Linux and Windows) to provide on-going support for the administration of the core ... $105,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6239/ senior - systems - administrator --%28linux-windows%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID**… more
    GovCIO (07/09/25)
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  • Linux Systems Administrator

    Lockheed Martin (Sunnyvale, CA)
    …and more than 570 facilities that span more than 70 countries\. We are hiring a Linux System Administrator , Sr to support daily IT operations\. **What You ... In this role, you will perform a variety of activities in information systems design, development, and analysis encompassing one or more of the following areas… more
    Lockheed Martin (07/12/25)
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  • Linux Systems Administrator

    Leidos (Clarksburg, WV)
    …and security of the computers they manage meet the needs of the users. The systems administrator could be focused in one or more of the following areas: ... + Responsible for the upkeep, configuration, and reliable operation of computer systems . System administrator will ensure the uptime, performance, resources,… more
    Leidos (05/16/25)
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  • Linux Systems Administrator

    Lockheed Martin (Huntsville, AL)
    …Security\+, CASP, CISSP\), within 6 months of starting the position * Experience with Linux /UNIX Server and Desktop Operating Systems \(i\.e\. RH 7\.x, RH 8\.x, ... program environments\. This IT professional will ensure that the Space IT systems are managed, controlled and compliant with the Security Technical Implementation… more
    Lockheed Martin (07/12/25)
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  • Sr Linux Systems

    RTX Corporation (Mckinney, TX)
    …**What You Will Do** : + Administer, patch, and harden Red Hat Enterprise Linux (RHEL) and related distributions. + Collaborate with Cyber to maintain and monitor ... logs using enterprise tools. + Configure and maintain STIG-compliant systems in accordance with DoD security standards. + Automate...Experience with Databases including MariaDB, Oracle, and SQL + Linux OS Certificate ( RHCSA / Linux +… more
    RTX Corporation (07/03/25)
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  • Linux System Administrator

    Mission Support and Test Services (North Las Vegas, NV)
    …Directorate is looking for a high-performing individual to join our team as a Linux Systems Administrator ( Senior Infrastructure Analyst). **Key ... Responsibilities** + Manage and maintain Red Hat Linux servers in a large-scale enterprise environment. + Implement,...practices, and procedures. + Provide support for all NNSS systems and technologies. + Troubleshoot and identify technical issues… more
    Mission Support and Test Services (07/23/25)
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