• Sr. Principal VMware Systems

    Northrop Grumman (Annapolis Junction, MD)
    …your career. Northrop Grumman Mission Systems is seeking an expert VMWare systems administrator to join its dynamic team of technical professionals in ... be limited to the following: + Perform as VMWare systems administrator for large, classified government contracts....Linux 7+). + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF,… more
    Northrop Grumman (07/08/25)
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  • Systems Administrator

    ManTech (Laurel, MD)
    ManTech seeks a motivated and career-oriented ** Systems Administrator ** with Linux expertise to join our team in **Laurel, MD** . You will be part of a ... + Identify and resolve performance and capacity issues in Linux systems , and support hardware-related problem resolution...+ Fifteen (15) years of experience as a System Administrator in programs and contracts of similar scope, type,… more
    ManTech (06/03/25)
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  • Systems Administrator 1

    BigBear.ai (Columbia, MD)
    …for a bachelor's degree. Clearance: Must possess and maintain a TS/SCI with polygraph Perform systems engineering activities and assist in the preparation of ... Overview BigBear.ai is seeking a System Administrator Level 1 to provide support for implementation, troubleshooting and maintenance of lnformation Technology (IT) … more
    BigBear.ai (07/03/25)
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  • Systems Administrator

    ManTech (Hanover, MD)
    …be substituted for a bachelor's degree. + Twenty (20) years experience as a Systems Administrator in programs and contracts of similar scope, type, and ... ManTech seeks a motivated, career and customer-oriented **System Administrator ** , to join our team in **Hanover,...a test environment running a wide variety of Operating Systems to include Windows, Red Hat Linux ,… more
    ManTech (04/30/25)
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  • Senior Systems Administrator

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Systems Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics ... learn more about how this program "Delivers Mission Success!" Seeking a motivated systems Administrator to provide support for mission operations support of… more
    Leidos (06/03/25)
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  • Systems Administrator (IT Program…

    Nightwing (Annapolis Junction, MD)
    …community, defense, civil, and commercial markets. Nightwing is seeking an experienced Linux Systems Administrator with a proven ability supporting ... diverse audience. High level of proficiency and experience in Linux Systems Administration using Debian or Red...position requires a current TS/SCI clearance w/ Full Scope Polygraph Previously part of a leading Fortune 100 company… more
    Nightwing (06/24/25)
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  • System Administrator Level IV

    General Dynamics Information Technology (Annapolis Junction, MD)
    Polygraph **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** Computer Servers, Linux ,Microsoft Windows,Troubleshooting ... Level IV** Transform technology into opportunity as a Systems Administrator Senior with GDIT. A career...in the resolution process + Configure and manage UNIX, Linux and Windows (or other applicable) operating systems more
    General Dynamics Information Technology (05/16/25)
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  • Senior Linux SysAdmin 2

    Lockheed Martin (Fort Meade, MD)
    …SA experience may be substituted\. * Ten \(10\) years of experience as a Systems Administrator \(SA\) in programs and contracts of similar scope, type, and ... be processed for a US Security Clearance with a polygraph * Bachelor's degree in a technical discipline from...such as RHEL, CentOS, Ubuntu, and Debian\. Knowledge of Linux systems processes, file systems ,… more
    Lockheed Martin (07/12/25)
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  • Lead Systems Administrator 3

    BigBear.ai (Columbia, MD)
    Overview BigBear.ai is hiring a Lead Systems Administrator 3 for an exciting upcoming Cyber Operations contract award to support contracts that provide ... experience Clearance: Must possess and maintain a TS/SCI with polygraph Perform systems engineering activities and assist...15288Project and Technical Process Area Experience with Windows and Linux What we'd like you to have Must work… more
    BigBear.ai (06/30/25)
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  • 306 - Senior Systems Administrator

    ARSIEM (Laurel, MD)
    …impact on every client you work with. ARSIEM is looking for a Senior Systems Administrator to provide Systems Administration support for mission operations ... process improvement and suggest solutions. Minimum Qualifications + Windows Systems Administration + Linux Systems ...Requirement: This position requires an active TS/SCI with a polygraph . You must be a US citizen for consideration.… more
    ARSIEM (06/06/25)
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