• Principal Storage & Data Protection System…

    RTX Corporation (Marlborough, MA)
    …systems in Classified areas. **What You Will Do** : + System Administrator for Storage and Data Protection, across a geographically distributed, mission-critical ... and facilities partners. + Must meet DoD 8140 / 8570 IAT Level II certification requirements, including Security+, or an approved equivalent, within 6 months of… more
    RTX Corporation (12/05/25)
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  • Network Administrator 3 -Salt Lake City

    M. C. Dean (Bluffdale, UT)
    …and drives impactful change. Guided by our core values-agility, expertise, and trust -we foster a collaborative and forward-thinking work environment. At MC Dean, we ... Summary:** MC Dean is seeking a highly competent TS/SCI with Polygraph cleared **Network Administrator 3** to assist on the design and maintenance of its network of… more
    M. C. Dean (11/26/25)
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  • Cross Domain Solutions Administrator (ONI)

    FGS, LLC (Suitland, MD)
    Cross Domain Solutions Administrator (ONI) Suitland, MD **Requires US Citizenship** **Employment Term and Type: Regular, Full Time** **Required Security Clearance: ... + Significantexperience with Cross Domain systems + DoD 8570 IAT Level II compliant certification + Building and maintaining Unix/Linux operating systems + Unix… more
    FGS, LLC (11/22/25)
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  • System Administrator

    CACI International (Laurel, MD)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... systems + Provide Tier I (Help Desk) and Tier II (Escalation) problem identification, diagnosis and resolution of problems...ensure the safety of our nation. **An environment of trust .** CACI values the unique contributions that every employee… more
    CACI International (11/20/25)
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  • Windows System Administrator

    Space Dynamics Laboratory (North Logan, UT)
    …Space Dynamics Laboratory (SDL) is seeking an experienced Windows System Administrator to design, implement, secure, and maintain systems and associated ... certification that meets or exceeds DoD 8570 IAT Level II (or ability to obtain within a maximum of...by sharing knowledge, involving others, and offering support. We trust and empower our team members to take ownership,… more
    Space Dynamics Laboratory (11/19/25)
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  • Core Network Administrator III

    GCI Communication Corp (Anchorage, AK)
    GCI's Core Network Administrator III will provide expert-level support for local area networks (LAN), wide area networks (WAN), and internet-based systems. Involve ... Interacts with people in a way that builds mutual trust , confidence, and respect; adheres to GCI's Code of...NRS-I, Juniper JNCIA or equivalent + Cisco CCNP, Nokia NRS- II , Juniper JNCIP or equivalent, SCTE DEP + Cisco… more
    GCI Communication Corp (11/07/25)
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  • SIPRNet Administrator

    CACI International (Reston, VA)
    SIPRNet Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of ... scan results from ACA]. + Remediate CAT I/ CAT II / CAT III findings associated with scans of network...ensure the safety of our nation. **An environment of trust .** CACI values the unique contributions that every employee… more
    CACI International (11/07/25)
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  • Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    …our core values of honesty (in word and deed), relationships (confidence and trust with clients and partners), teamwork (shared goals, mission, and purpose), loyalty ... as a team). SimIS Inc seeks a Senior System Administrator to provide combat system simulation support to the...Per DoD Directive 8570.1M, this position requires IAT Level II or higher. This position is designated as IT-I.… more
    SimIS Inc. (11/06/25)
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  • Unified Communications Administrator

    CACI International (Honolulu, HI)
    Unified Communications Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... with the ability to obtain a poly + IAT II certification (mandatory) _Desired:_ + Network + ITIL Foundations...ensure the safety of our nation. **An environment of trust .** CACI values the unique contributions that every employee… more
    CACI International (10/31/25)
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  • Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …Regular **Clearance Level Must Be Able to Obtain:** Secret **Public Trust /Other Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** ... **US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support for… more
    General Dynamics Information Technology (10/25/25)
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