• Junior Systems Administrator

    SOS International LLC (Reston, VA)
    …IAT Level II certification (eg, CompTIA Security+ CE, CSA+, GSEC). * Active DoD Secret Clearance . * Strong communication skills and the ability to work ... Reston, VA, USA Full-time FLSA Status: Exempt Clearance Requirement: Secret **Company Description** Founded...is seeking a dedicated and technically skilled **Junior Systems Administrator ** to join our dynamic IT team supporting our… more
    SOS International LLC (11/21/25)
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  • Windows System Administrator (Senior-Level)

    Link Solutions Inc (White Sands Missile Range, NM)
    …NM. + Must be a US Citizen + Must have an active DoD Top Secret Clearance + Non-remote (relocation incentive available) The Windows System Administrator ... and Development. Link Solutions is seeking a Windows System Administrator (Senior-Level) to join our team at White Sands...US Citizen. + Must have an active DoD Top Secret Clearance + Ten (10+) years of… more
    Link Solutions Inc (10/08/25)
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  • System Administrator

    Koniag Government Services (Washington, DC)
    **Arlluk Technology Solutions, LLC,** a Koniag Government Services company, is seeking a System Administrator with a Secret Clearance to support **ATS** and ... certification or related experience + Security+ and A+ certifications preferred + Secret Clearance required **Our Equal Employment Opportunity Policy** The… more
    Koniag Government Services (11/12/25)
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  • Systems Administrator - Senior

    CACI International (O'Fallon, IL)
    … - Senior Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel ... 8-11 years of extensive experience in system administration + Secret security clearance , or US citizen with...(eg, Windows Server, Linux, Unix) + Advanced expertise in network protocols, services, and infrastructure + Proven experience with… more
    CACI International (11/08/25)
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  • Senior Systems Administrator

    Belcan (Cincinnati, OH)
    …the work performed, US Citizenship is required. * Candidate must be able to obtain Secret Clearance . * Bachelor's degree and 4+ years of experience in Systems ... Senior Systems Administrator Job Number: 361641 Category: -Software & Systems...integrity, and security of a high-impact large scale enterprise network infrastructure. The ideal candidate will be a proactive… more
    Belcan (12/07/25)
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  • Omnissa Administrator in Omaha, Nebraska

    Dell Technologies (Omaha, NE)
    …this role: **Essential Requirements:** + Active Department of Defense (DoD) Top Secret (TS) Security Clearance with Sensitive Compartmented Information (SCI); ... Security+ Certification + 8+ years' experience as a network and computer systems administrator with similar responsibilities as above (or equivalent skill) +… more
    Dell Technologies (11/29/25)
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  • Senior Linux System Administrator

    RTX Corporation (Marlborough, MA)
    …as only US citizens are eligible for a security clearance **Security Clearance :** DoD Clearance : Secret At Raytheon, the foundation of everything ... Exciter and Processing Architecture (REPA) Department as a specialized Linux System Administrator . The team's primary goal is to design, architect, and implement… more
    RTX Corporation (11/22/25)
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  • SIPRNet Administrator

    CACI International (Reston, VA)
    … administration, with a focus on classified networks. + Active Secret clearance . + Strong understanding of network devices and operating systems. + ... SIPRNet Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage… more
    CACI International (11/07/25)
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  • VMWare Administrator

    Arena Technical Resources, LLC (Annapolis Junction, MD)
    …Scope Polygraph clearance Job Description: Candidates must have an active Top Secret /SCI Clearance with a Full Scope Polygraph. Onsite in Annapolis Junction, ... VMWare Administrator Location: Annapolis Junction, MD, US Job ID:...and firewalls (eg, NSX, Cisco ASA) Experience related to network engineering design, system fit-up, and system deployment General… more
    Arena Technical Resources, LLC (12/11/25)
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  • System Administrator

    Systems Technologies, Inc. (Hanover, MD)
    …information technology, cybersecurity, data science, information systems, or computer science SECURITY CLEARANCE . Active DoD Top Secret /SCI clearance ... System Administrator Location Hanover, MD Job Setting On-site Job...help desk issues. + Maintain cross platform inter-connectivity for network services, authentication services, E-mail services and Web services.… more
    Systems Technologies, Inc. (12/02/25)
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