• Northrop Grumman (Jacksonville, FL)
    …Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations ... only part of history, they're making history. Northrop Grumman Aeronautics Systems is seeking several experienced Payloads Field Service Representatives (Principal… more
    Upward (07/19/25)
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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 (07/24/25)
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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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  • 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 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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  • Senior Windows and Linux

    The Boeing Company (Kent, WA)
    …Company is looking for a highly experienced and detail-oriented ** Senior Windows and Linux Systems Administrator ** to join the team in **Kent, WA** or ... **Tukwila, WA.** As a Senior Systems Administrator , you will...experience in performing system administration tasks on Windows and Linux hosts including installing security patches and making configuration… more
    The Boeing Company (07/16/25)
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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 Systems Administrator

    Mount Sinai Health System (New York, NY)
    …clinical data warehouse team and a research data services team. The **_Senior Systems Administrator /Engineer,_** as a member of the Scientific Computing and Data ... data science ecosystem for researchers at Mount Sinai. The Administrator is the principal technology expert for Windows and... is the principal technology expert for Windows and Linux systems , and help support high-performance computing… more
    Mount Sinai Health System (06/24/25)
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  • Linux Cyber Range Operations…

    Lockheed Martin (North Charleston, SC)
    …another face in the crowd\. While we think big, we operate small\. As a Senior Systems Administrator with a Linux focus, you'll play a key role on the ... assets\. **The Work** Cyber Support Operations is seeking a Senior Systems Administrator with a... engineering principles and concepts\. * Strong understanding of Linux operating systems , applications, networks, with moderate… more
    Lockheed Martin (07/12/25)
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  • Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    …to 10% Type of Travel: Local * * * **The Opportunity:** CACI is seeking a Senior Linux Systems Administrator to provide support for implementation, ... Senior Systems Administrator Job... Senior Systems Administrator Job Category: Information Technology...in the resolution process + Configure and manage primarily Linux /Unix (or other applicable) operating systems and… more
    CACI International (07/10/25)
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  • Linux /Windows Senior Systems

    Lockheed Martin (San Diego, CA)
    …Network/System Administration \- Experience with server and desktop management of Linux and Windows environments \- Familiar with package deployment, imaging, and ... Active Directory and SCCM \- Experience with Aegis and other BMD systems /platforms \- Experience interacting with both internal and external customers/end\-users \-… more
    Lockheed Martin (07/12/25)
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  • RHEL Principal/Sr. Principal Systems

    Northrop Grumman (Colorado Springs, CO)
    …projects planned for future capabilities. **Roles and Responsibilities:** + Perform as a Senior Linux Systems Administrator . + Maintain smooth ... at our Colorado Springs, CO location as a **RHEL Principal/ Senior Principal Systems Administrator ** supporting...you will be primarily focused on Red Hat Enterprise Linux Systems Administration by maintaining and enhancing… more
    Northrop Grumman (05/28/25)
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  • Senior Linux Administrator

    Integration Innovation, Inc. (i3) (Huntsville, AL)
    Overview i3 is searching for a Senior Linux Administrator to support the Missile Defense Agency Information Management and Software Services (AIMSS) effort. ... Missile Defense System with multiple layers of protection. The Senior Linux Administrator performs administration...required. + Senior knowledge and experience of Linux operating systems (RHEL). + Experience with… more
    Integration Innovation, Inc. (i3) (07/08/25)
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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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  • Senior Linux Administrator

    General Dynamics Information Technology (Falls Church, VA)
    …Be Able to Obtain:** Secret **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** Linux ,Operating Systems Security,Red Hat ... Required:** Yes **Job Description:** + Provide system administration support for Linux operating systems including installing software, applying patches,… more
    General Dynamics Information Technology (07/06/25)
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  • Linux Systems Administrator

    General Dynamics Information Technology (Wright Patterson AFB, OH)
    …**US Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a Linux Systems Administrator with GDIT. A career in ... operate. At GDIT, people are our differentiator. As a Linux Systems Administrator you will...as this position will require candidate to engage with senior military and government leadership. + Must be able… more
    General Dynamics Information Technology (06/20/25)
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  • Senior Linux System…

    General Dynamics Information Technology (Livermore, CA)
    …Description:** $10K Sign-on bonus A Senior Linux System Administrator Maintains an organization's computer systems ' workflows and is responsible for ... Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** Linux ,Microsoft Server Operating Systems more
    General Dynamics Information Technology (05/10/25)
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  • Senior System Administrator

    TISTA Science and Technology (Austin, TX)
    Overview TISTA is looking for a Senior Systems Administrator to manage teams, prioritize work, and handle critical problems. You'll provide patching support, ... and oversee provisioning, configuration management, and system monitoring on Linux systems and servers. You'll also assist...and performs proper incident handoff to the next shifts Senior Linux SA team lead, and facilitates… more
    TISTA Science and Technology (05/29/25)
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  • Linux System Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Columbia, MD)
    Linux System Administrator , Senior The...or IT field and 5+ years of experience with systems or network administration, or 10+ years of experience with ... environment that supports critical cybersecurity mission customers. As a Linux system administrator on our project, you'll... systems or network administration in lieu of degree +… more
    BOOZ, ALLEN & HAMILTON, INC. (06/25/25)
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  • Senior Linux System…

    RTX Corporation (Tucson, AZ)
    …US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret ** Senior Linux System Administrator Tucson, AZ. Must have an ... integrity of our systems and support IT infrastructures around the world. ** Senior System Administrator ** , internally known as Senior Analyst,… more
    RTX Corporation (07/18/25)
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