• Cloud Systems Administrator V

    Criterion Systems (Reston, VA)
    Overview At Criterion Systems , we developed a different kind of business-a company whose real value is a reputation for excellence built upon the collective skills, ... perspectives, and backgrounds of its people. By accepting a position with Criterion Systems , you will join a group of professionals with a collaborative mindset… more
    Criterion Systems (08/08/25)
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  • IT Engineer - Microsoft Enterprise Systems…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …RQ203477 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... a highly skilled **IT Engineer** with strong experience in both **Microsoft Enterprise Systems and Linux administration** to provide **Tier II support** for a large… more
    General Dynamics Information Technology (07/16/25)
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  • Systems Administrator - Senior

    Amentum (Warrenton, VA)
    …program is to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN- TS ES) which is a ... so, look no further. Amentum is seeking a System Administrator to join our team of passionate individuals in...aligned with organizational objectives **Requirements:** + Must have active Top - Secret clearance with SCI or TS… more
    Amentum (09/25/25)
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  • Senior Linux Systems Administrator…

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    …REQUIREMENTS: Must be able to obtain and maintain a security clearance at the Top Secret level. US Citizenship is a requirement for this contract. \#LI-JR1 ... **Overview** SENIOR LINUX ADMINISTRATOR (NETSERV) Bowhead seeks a Senior Linux ...files, directories, command-line environments, and documentation + Operate running systems , including booting into different run levels, identifying processes,… more
    UIC Government Services and the Bowhead Family of Companies (09/17/25)
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  • Exchange Systems Administrator SME

    Leidos (Alexandria, VA)
    …you can thrive, keep reading!** **The Mission** Leidos is seeking an Exchange System Administrator to support a large enterprise IT contract for the DOD. This role ... a person with subject matter expertise administering Exchange and email retention systems within a physical and virtual server environment. Duties include examining… more
    Leidos (07/23/25)
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  • Systems Administrator

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a Mid-level Forward Deployed Network Administrator to join our Network Engineering Team within the Engineering Operations group at ... VA location. This role supports critical network infrastructure through advanced systems administration and troubleshooting tasks. The ideal candidate will be… more
    Leidos (08/16/25)
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  • Senior Systems Administrator

    Leidos (Vienna, VA)
    **Description** The National Security Sector at Leidos is seeking a **Senior System Administrator ** to join a dynamic team based in **Tysons Corner, VA** . This ... while supporting a small team responsible for managing a wide range of mission-critical systems . **Key Details** : + Work hours fall within the core shift range of… more
    Leidos (07/29/25)
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  • System Administrator

    Chenega Corporation (Oakton, VA)
    …IT Operations Support, Software Development, and Program Management. Job Title:System Administrator Location:Oakton, Virginia Clearance Level: Top Secret ... interests of our nation. SecuriGence is seeking an experienced Systems Administrator to help contribute to our...SSCP; GICSP. + Requires a minimum of an active TS /SCI clearance. Matthew J. Keller Vice President of Talent… more
    Chenega Corporation (08/13/25)
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  • Systems Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …RQ206477 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... group of computers running on one or more operating systems . + Understand all the different systems ...days over 2 week period) * Security Clearance Level: TS /SCI with Polygraph * Required Skills and Abilities: *… more
    General Dynamics Information Technology (09/02/25)
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  • System Administrator

    Koniag Government Services (Winchester, VA)
    Arlluk Technology Solutions, a Koniag Government Services company **,** is seeking a System Administrator with a Top - Secret Security clearance to support ATS ... Public Law 88-352_** **Job Details** **Job Family** **IT, Cyber Security, Network Systems ** **Job Function** ** Systems Administrator ** **Pay Type**… more
    Koniag Government Services (09/15/25)
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