• Tier I System Administrator (Senior)

    BAE Systems (Herndon, VA)
    …and sustainment support for critical military platforms and systems. Intelligence & Security provides services and products to the Department of Defense, the ... strong, collaborative culture and provide our employees with the tools , skills and training they need to succeed. We...to lead the world in defense technologies and national security services. We offer flexible work environment to support… more
    BAE Systems (07/19/25)
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  • Senior Systems Administrator

    Cambridge International Systems Inc (Mclean, VA)
    …obstacles! Cambridge International Systems, Inc. has a full-time Senior Systems Administrator opportunity available based in McLean, VA. Qualified candidates for ... this job must possess a current DoD TS/SCI full scope w/poly security clearance. ROLE RESPONSIBILTIES + Maintains smooth operation of multi-user computer systems,… more
    Cambridge International Systems Inc (06/10/25)
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  • Database Administrator - Mid

    CGI Technologies and Solutions, Inc. (Newport News, VA)
    **Database Administrator - Mid** **Category:** Database Administration **Main location:** United States, Virginia, Newport News **Position ID:** J0325-0447 ... learning. We are seeking a talented and motivated Mid-Level Microsoft SQL Database Administrator to join our dynamic team in Newport News, VA. The ideal candidate… more
    CGI Technologies and Solutions, Inc. (05/14/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    …with Polygraph Timeline Open Description Assertive Professionalsis seeking aSystem Administrator with Polygraph supporting ourNational Security Customer in ... System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is...Department of Defense, Intelligence Community, and Department of Homeland Security in accomplishing their missions worldwide, through an employee… more
    Assertive Professionals (07/10/25)
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  • System Administrator

    Nelnet (Richmond, VA)
    …they live, learn, and work. We are looking for a skilled System Administrator to support and maintain critical technology infrastructure and services. This role ... focuses on system reliability, security , and seamless day-to-day operations, with an emphasis on...**EXPERIENCE:** + 3+ years of experience as a System Administrator or in a similar role + Strong expertise… more
    Nelnet (08/08/25)
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  • TS/SCI Network Administrator

    TEKsystems (Reston, VA)
    …for change procedures, and management updates * Familiarity with monitoring tools (eg, SolarWinds, Nagios, Splunk, or similar). * Understanding of TCP/IP, ... with attention to detail. * Must possess an active Security + or equivalent prior to start. * Must possess...Job Description: The candidate will obtain and maintain System Administrator and\or Network Administrator II functions and… more
    TEKsystems (08/08/25)
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  • Mission Support Administrator

    ManTech (Reston, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Mission Support Administrator ** to join our team in the **Reston, VA** location. This is an onsite ... position. The **Mission Support Administrator ** will work the Program Manager (PM), Deputy Program Manager (DPM), and program personnel to accomplish all program… more
    ManTech (06/03/25)
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  • Network Administrator (Nightwatch)

    Huntington Ingalls Industries (Virginia Beach, VA)
    …Type: Full Time/Salaried/Exempt Anticipated Salary Range: $61,534.00 - $85,009.60 Security Clearance: Secret Level of Experience: Mid This opportunity resides ... with Global Security (GS). Mission Technologies' Global Security (GS)...https://vimeo.com/732533072 Summary The Navy Integrated Training Environment (NITE) Network Administrator - Nightwatch ensures 24/7 network availability on the… more
    Huntington Ingalls Industries (08/08/25)
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  • Windows System Administrator (Onsite…

    RTX Corporation (Arlington, VA)
    …Windows 11, strong troubleshooting skills, and experience with modern endpoint management, security , and automation tools . **This role is onsite in Alrington, ... Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US...team: **Role Overview** We are seeking a skilled System Administrator on Windows systems to join our IT team.… more
    RTX Corporation (07/09/25)
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  • Systems Administrator

    CACI International (Chantilly, VA)
    Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of ... is currently looking for a detail-oriented and proactive **Infrastructure Systems Administrator ** to join our team developing next generation signals intelligence… more
    CACI International (06/25/25)
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