• Network/System Administrator II

    P 11 Security, Inc. (Washington, DC)
    …based on OS requirements for supported organization. Security Clearance: + Current Top Secret Clearance with SCI Eligibility + Eligibility for access ... Network/System Administrator II Washington, DC, DC (http://maps.google.com/maps?q=N/A+Washington,+DC+DC+USA+20330) Job Type Full-time Description The primary… more
    P 11 Security, Inc. (09/25/25)
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  • Linux System Administrator

    ManTech (Laurel, MD)
    …+ Experience with NetAPP **Clearance Requirements:** + Must have a current/active Top Secret /SCI with Polygraph **Physical Requirements:** + The person in ... **Mantech** seeks a motivated, career and customer-oriented **Linux** **System Administrator ** to join our team in **Laurel, MD.** You will be part of a dedicated… more
    ManTech (07/23/25)
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  • Quality Assurance Linux Administrator

    Assertive Professionals (Hanover, MD)
    Quality Assurance Linux Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small ... for itself within the Defense Contracting community taking 15th place in America's Top 100 Small Business Visionaries for the 2018 Best of Small Business Awards,… more
    Assertive Professionals (09/25/25)
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  • System Administrator 4

    M. C. Dean (District Of Columbia, DC)
    …Control, CCTV, PSIM (Physical Security Information Management), and other Integrated Electronic Security Systems . A Systems Administrator 4 position is a ... others are key to success in this role. The Systems Administrator is responsible for day-to-day management,...systems + Triage customer support calls, providing Tier 3 escalation as needed + Communicate with customers, manufacturers,… more
    M. C. Dean (09/26/25)
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  • System Administrator

    System One (Springfield, VA)
    TS /SCI with the eligibility to obtain a CI Poly Contact: ###@altaits.com The Systems Administrator will work closely with both on-site and remote users to ... Job Title: System Administrator Location: Springfield VA Type: Contract To Hire...remote resolution support for trouble calls, and provide TIER 2/ 3 support of production systems . + … more
    System One (09/16/25)
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  • Cybersecurity System Administrator - DMV

    M. C. Dean (District Of Columbia, DC)
    …and Risk Management Framework (RMF) analysts. **Required Education & Experience:** + **Active** ** TS /SCI w/ polygraph clearance is required.** . 3 + Years of ... Overview MC Dean is seeking a highly skilled **Cybersecurity System Administrator ** to support a secure operational technology environment by integrating advanced… more
    M. C. Dean (08/27/25)
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  • Network Tools Administrator

    Leidos (Mclean, VA)
    **Description** **Network Tools Administrator ** **Are you looking for an opportunity to make an impact?** At Leidos, we deliver innovative solutions through the ... thrive, keep reading!** Leidos National Security Sector is seeking a Network Tools Administrator for work on Intelligence Community (IC) program. **In this role you… more
    Leidos (07/22/25)
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  • Cyber Security Administrator III

    Virtual Service Operations (Arlington, VA)
    Cyber Security Administrator III * Arlington, VA (http://maps.google.com/maps?q=Arlington+VA+USA) Description Are you looking to take the next steps in your career ... as a Cyber Security Administrator III? Let's chat and see if we are...is actively seeking a talented individual with an active TS /SCI clearance to lead implementation and management of operating… more
    Virtual Service Operations (09/11/25)
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  • System Administrator

    CACI International (Annapolis Junction, MD)
    …a wide variety of IT systems . We are hiring a seasoned System Administrator - Level 3 to provide advanced technical leadership and hands-on support for ... System Administrator Job Category: Information Technology Time Type: Full...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (08/01/25)
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  • Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    …Security System Administrator 4** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... for federal, local and commercial customers across high-growth markets. As a System Administrator for our Physical Security Systems , you will be responsible for… more
    M. C. Dean (08/30/25)
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