• Infrastructure & Endpoint Systems

    FGS, LLC (Suitland, MD)
    Infrastructure & Endpoint Systems Administrator Suitland (ONI), MD **Citizenship:** Requires US Citizenship **Employment Term and Type:** Regular, Full Time ... **Required Security Clearance:** TS / SCI **Required Education:** High School or equivalent...$150,000 to $175,000 **Job Description:** The Infrastructure & Endpoint Systems Administrator will provide mission-critical support to… more
    FGS, LLC (06/04/25)
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  • Windows/Principal Windows Systems

    Northrop Grumman (Linthicum Heights, MD)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... Mission Systems is seeking an experienced Windows Systems Administrator to join its Classified Solutions...and 3:** + Candidates must have a current DoD Top Secret level security clearance (adjudicated within… more
    Northrop Grumman (06/14/25)
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  • System Administrator Level IV

    General Dynamics Information Technology (Annapolis Junction, MD)
    …ID:** RQ190119 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... + years of related experience **US Citizenship Required:** Yes **Job Description:** ** System Administrator Level IV** Transform technology into opportunity as a… more
    General Dynamics Information Technology (05/16/25)
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  • Monitoring & Log Management Systems

    FGS, LLC (Suitland, MD)
    …and maintaining enterprise system monitoring and log aggregation platforms. The administrator will ensure that all critical IT systems are effectively ... Monitoring & Log Management Systems Administrator Suitland (ONI), MD **Citizenship:**...mission-critical systems in a high-security environment. + TS / SCI clearance. **Desired Qualifications:** + Splunk Core… more
    FGS, LLC (06/04/25)
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  • Principal Linux Systems

    Leidos (Columbia, MD)
    …with LINUX, Windows and Virtualization + **Security Clearance** : Must have an active Top Secret / SCI with Polygraph cssrc conmd Come break things (in ... a new and exciting opportunity for a **Principal Linux Systems Administrator ** in our **National Security Sector's...troubleshooting, and maintenance of Information Technology (IT) systems . You'll manage IT system infrastructure and… more
    Leidos (08/08/25)
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  • Linux System Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Aberdeen Proving Ground, MD)
    …As a Linux system administrator on our team, you'll ensure system hardware, operating systems , software systems , and related procedures adhere to ... Linux System Administrator The Opportunity: Your combination...need to meet eligibility requirements for access to classified information ; TS / SCI clearance is required.… more
    BOOZ, ALLEN & HAMILTON, INC. (08/10/25)
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  • System Administrator

    CACI International (Annapolis Junction, MD)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee ... of IT systems . We are seeking a System Administrator (Level 1) to support the...experience with IT Service Management (ITSM) processes + Required TS / SCI with Polygraph **Preferred Skills:** + Familiarity… more
    CACI International (08/01/25)
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  • Citrix Systems Administrator

    Leidos (Bethesda, MD)
    …environment where you can thrive, keep reading!** Leidos is seeking a Citrix Systems Administrator to support the National Media Exploitation Center (NMEC). The ... and problems. + Experience working as a Tier 3 system administrator : familiar with using desktop software...supervising or leading teams or projects. **Clearance** + Active TS / SCI clearance with Polygraph required OR active… more
    Leidos (07/24/25)
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  • System Administrator I

    General Dynamics Information Technology (Annapolis Junction, MD)
    …ID:** RQ201595 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... for implementation, troubleshooting and maintenance of information Technology (IT) systems . Manages IT system infrastructure and any processes related to… more
    General Dynamics Information Technology (07/31/25)
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  • Sr. System Administrator

    Leidos (Odenton, MD)
    …an active Top Secret security clearance with the ability to obtain a Top Secret / SCI is required for this position. + Currently possess DoD 8570 ... will manage a team of 4-5 personnel providing support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). **PRIMARY… more
    Leidos (07/22/25)
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