• SIGINT Systems Administrator (Low…

    CACI International (Hampton, VA)
    …issues with IT infrastructure including user systems , servers, storage, and network connectivity. You will also provide system administration for assigned ... SIGINT Systems Administrator (Low Band Journeyman) Job...comprehensive analysis, diagnostics and fault isolation for the SIGINT system /sensors and associated End-to-End network paths. +… more
    CACI International (09/15/25)
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  • Tier 2 Systems Administrator

    CACI International (Springfield, VA)
    Tier 2 Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee ... We are seeking a skilled and motivated Tier 2 System Administrator to join our growing IT...be responsible for maintaining and troubleshooting mission critical IT systems , supporting end users, and ensuring the security and… more
    CACI International (11/05/25)
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  • MADSS Administrator

    TekSynap (Arlington, VA)
    …field. + Certifications: + CompTIA Security + CE + Clearance: + Must possess a Top Secret /SCI clearance **Overview** We are seeking a MADSS Administrator to ... perception, and ability to adjust focus. **WORK AUTHORIZATION/SECURITY CLEARANCE** US Citizen Top Secret /SCI clearance **OTHER DUTIES** Please note this job… more
    TekSynap (10/07/25)
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  • Sr. System Administrator (Linux)

    Nightwing (Sterling, VA)
    …management and providing technical services to enable customer mission accomplishment. The Senior System Administrator (Linux) will serve as a key member of the ... in Linux administration, automation, and security hardening. The Senior System Administrator will ensure the availability, integrity,...Secret clearance. Must be able to obtain a TS /SCI clearance + Must be able to obtain DHS… more
    Nightwing (10/29/25)
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  • System Administrator

    TekSynap (Arlington, VA)
    …**WORK AUTHORIZATION/SECURITY CLEARANCE** USCitizenship **Clearance requir** **eme** **nt** :Active ** Secret clearance** ( Top Secret /SAP preferred). **OTHER ... **Responsibilities & Qualifications** TekSynap is seeking a ** Network Engineer** toadminister and sustain JPO's classified and...8570: IAT Level II (Security+ CE minimum). + Active Secret clearance. **COMPETENCIES** + System provisioning &… more
    TekSynap (10/02/25)
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  • Cloud Administrator ​

    Leidos (Ashburn, VA)
    …VPCs, subnets, VPNs, DNS, load balancers, and security groups. **Clearance:** + Top Secret clearance with SCI eligibility **Preferred Qualifications:** + ... tasks such as provisioning, monitoring, troubleshooting, and optimizing cloud resources and systems . The Cloud Administrator must have a deep understanding and… more
    Leidos (11/15/25)
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  • Systems Administrator (Tier 2…

    William C Brown Inc (Springfield, VA)
    Systems Administrator (Tier 2 Desktop Support) EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration ... protected by law. Description WCBinc is looking for a Systems Administrator (Tier 2 Desktop Support) to...management of UDS deployed software and end user devices Network and locally attached printers Assist users in accessing… more
    William C Brown Inc (11/13/25)
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  • Linux System Administrator

    Nightwing (Arlington, VA)
    …Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of advanced ... - US Citizenship - Must have an active DoD Secret clearance, TS /SCI clearance is preferred. -...5+ years of directly relevant experience as a Linux System Administrator . - 2+ years MacOS and… more
    Nightwing (08/28/25)
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  • Linux Systems Administrator

    BCMC (Arlington, VA)
    …of the customer mission. Responsibilities: - Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) environments across ... - US Citizenship - Must have an active DoD Secret clearance, TS /SCI clearance is preferred. -...5+ years of directly relevant experience as a Linux System Administrator . - 3+ years of experience… more
    BCMC (10/16/25)
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  • System Administrator

    Nightwing (Sterling, VA)
    …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...Systems : Extensive knowledge of Windows and Linux operating systems . + Networking: Understanding of network protocols,… more
    Nightwing (09/26/25)
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