• Senior Network and Computer Systems…

    NANA Regional Corporation (South Burlington, VT)
    …systems administration, with increasing levels of responsibility. + Expertise in Windows Server administration, Linux systems (Red Hat/CentOS), and Active ... We are seeking an experienced Senior Network and Computer Systems Administrator to lead the administration, security, and optimization of the USCIS enterprise IT… more
    NANA Regional Corporation (10/16/25)
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  • System Administrator

    Nightwing (Sterling, VA)
    …in the intelligence community, defense, civil, and commercial markets. Job Title: System Administrator Location: Sterling, VA Clearance: TS/SCI Poly **This ... position is CONTINGENT upon contract award** The System Administrator (SysA) as part of the...customers in a timely manner. Required Skills: + Operating Systems : Extensive knowledge of Windows and Linux … more
    Nightwing (09/26/25)
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  • Cloud System Administrator

    ManTech (Hanover, MD)
    …start to obtain it + Proficiency in administering Linux operating systems . + Experience with Windows Server 2022 administration, including Active Directory ... ManTech seeks a motivated, career- and customer-oriented **Cloud System Administrator ** to join our team...Qualifications:** + Ten (10) years of experience as a Systems Administrator or Cloud Engineer supporting programs… more
    ManTech (09/10/25)
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  • System Administrator

    CACI International (Annapolis Junction, MD)
    …optimize a wide variety of IT systems . We are hiring a seasoned System Administrator - Level 3 to provide advanced technical leadership and hands-on support ... System Administrator Job Category: Information Technology...expert knowledge of UNIX, Linux , and Windows systems and networking + Coordinate system changes… more
    CACI International (10/30/25)
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  • Systems Administrator II…

    V2X (Springfield, VA)
    …with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Cross Domain - active TS/SCI ... ability to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II Cross Domain supports the information technology (IT)… more
    V2X (11/14/25)
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  • Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …Springfield, Virginia. HOW A ** SYSTEMS ADMINISTRATORS** WILL MAKE AN IMPACT As the Systems Administrator on this contract, you will be on an engineering team ... **Job Family:** IT Infrastructure and Operations **Skills:** Information Technology (IT), Linux , System Administration **Certifications:** Security+ CE - CompTIA -… more
    General Dynamics Information Technology (11/06/25)
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  • Principal System Administrator

    RTX Corporation (Tucson, AZ)
    …mission of making the world a safer place. We are currently seeking a Principal Systems Administrator that will be working 100% onsite in a highly collaborative, ... multi-platform and multi-disciplined environment. The Systems Administrator is required to have an...day-to-day activities include but are not limited to: RedHat Linux server management; storage management; file … more
    RTX Corporation (10/15/25)
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  • Network/ System Administrator…

    General Dynamics Information Technology (Colorado Springs, CO)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** **Network/ System Administrator I** **COLORADO SPRINGS, COLORADO** **The primary ... shall include:** **Thorough knowledge of Microsoft Windows desktop and server operating systems , Microsoft Exchange Server...or more of the following supported platforms: Microsoft Windows Server , Red Hat Enterprise Linux servers, MS… more
    General Dynamics Information Technology (11/04/25)
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  • Sr. System Administrator

    Arena Technical Resources, LLC (Reston, VA)
    Sr. System Administrator Location: Reston, VA, US Job ID: ATR 17710 Job Description Job Title: Sr. System Administrator Location: Reston, VA - Onsite, ... TS/SCI with CI Polygraph Job Description: The job duties of the Sr. System Administrator are as follows: * Plans, designs, and implements infrastructure… more
    Arena Technical Resources, LLC (11/09/25)
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  • Systems Administrator /Engineer…

    Shuvel Digital (Vienna, VA)
    …Strong understanding and ability to troubleshoot various Windows server operating systems + Experience patching and upgrading Linux and Windows based ... Description: We are looking for a Mid level Systems Administrator /Engineer that can come in...applications and appliances + Remediate vulnerabilities on Windows and Linux systems , ensure the stability and sustainability… more
    Shuvel Digital (09/25/25)
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