• Senior Linux Systems Administrator

    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) Cyber & ... talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical... for a small, diverseteam that provides end-to-end software, systems , and network engineering services to support… more
    Leidos (10/09/25)
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  • Systems Administrator

    CACI International (Linthicum, MD)
    Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... * **The Opportunity:** Join our dynamic team as a Systems Administrator , where you will play a...you will play a crucial role in supporting Active Network Defense (AND), Computer Network more
    CACI International (09/27/25)
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  • Senior Systems Administrator 10k…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **National Security Sector's (NSS) Cyber & Analytics ... talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...make a difference in National** **Security!** As a Senior Systems Administrator you will play a vital… more
    Leidos (11/15/25)
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  • Computer System Administrator

    Northrop Grumman (Linthicum Heights, MD)
    …will include but not be limited to the following: + Perform as primary Systems or Network Administrator for a classified government contract. + ... written and verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network , software, and system engineers,… more
    Northrop Grumman (11/12/25)
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  • Cyber Systems Administrator (Active…

    Northrop Grumman (Elkridge, MD)
    …of your career. We are looking for you to join our team as a **Cyber Systems Administrator ** based out of **Elkridge, MD** . _Please Note: Due to the classified ... and Network Administration). + Monitor and maintain smooth operation of computer systems , applications and user experience. + Provide effective communication… more
    Northrop Grumman (10/02/25)
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  • Systems Administrator 3 - 23829 (FS…

    Huntington Ingalls Industries (Fort Meade, MD)
    systems . Essential Job Responsibilities + Maintains smooth operation of multi-user computer systems , including coordination with network administrators. + ... TS/SCI with Poly Level of Experience: Mid This opportunity resides with Warfare Systems (WS), a business group within HII's Mission Technologies division. Warfare … more
    Huntington Ingalls Industries (10/07/25)
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  • Senior Systems Administrator

    Huntington Ingalls Industries (Hanover, MD)
    …(eg KVM, VMware, Hyber-V) + Experience with configuring, diagnosing and repairing computer systems + Strong knowledge with scripting concepts and languages ... Ability to Obtain Level of Experience: Mid This opportunity resides with Warfare Systems (WS), a business group within HII's Mission Technologies division. Warfare … more
    Huntington Ingalls Industries (08/27/25)
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  • Systems Administrator (IT Program…

    Nightwing (Annapolis Junction, MD)
    …defense, civil, and commercial markets. Nightwing is seeking an experienced Linux Systems Administrator with a proven ability supporting classified program ... and troubleshooting, system hardening, vulnerability assessment, OS patching and general network administration across various computing systems . Coordinating IT… more
    Nightwing (09/22/25)
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  • 337 - Senior Linux Systems

    ARSIEM (Annapolis Junction, MD)
    Administrator for a small, diverse team that provides end-to-end software, systems , and network engineering services to support Integrated Discovery ... for user-level support, including interacting with system-savvy developers and analysts, resolving network , computer , and virtual system issues & anomalies. +… more
    ARSIEM (10/30/25)
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  • MacOS Systems Administrator

    Leidos (Baltimore, MD)
    …operating systems , system configurations, and troubleshooting. + Knowledge of network protocols, VPN configurations, SSL certificates, and integration of Mac ... **Description** Leidos is seeking a **MacOS System Administrator ** to be part of the mission solution...devices. + Track inventory, including the location of all systems , software releases and telecommunications equipment. + Evaluate new… more
    Leidos (11/03/25)
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