• Senior System Administrator (Onsite)

    RTX Corporation (Sterling, VA)
    …DoD Secret Security Clearance (DOD). + 4+ years total experience in administration of Windows operating systems , including Windows 11, 10, Server 2016, 2019, ... This is a great opportunity for job seekers with experience in Classified IT Systems Administration and the defense industry to join our Collins Aerospace team. This… more
    RTX Corporation (08/28/25)
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  • Systems Administrator (Multiple…

    Noblis (Chantilly, VA)
    Responsibilities As a Systems Administrator , you will be responsible for installing, configuring, and maintaining operating system workstations and servers, ... experience, + Minimum of 5 years of experience in systems administration + Proficiency with: + Windows ...Basic scripting (PowerShell, Bash) + **Compensation: 97,400 - 152,225** ** Senior -Level** + Bachelor's degree or master's degree with 8… more
    Noblis (09/03/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small Business ... with Polygraph Timeline Open Description Assertive Professionalsis seeking aSystem Administrator with Polygraph supporting ourNational Security Customer in Chantilly,… more
    Assertive Professionals (07/10/25)
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  • Windows 11 Systems Engineer

    NANA Regional Corporation (Fort Belvoir, VA)
    Suvi is looking for a ** Windows 11 Systems Engineer** to work in Fort Belvoir, VA. The Windows 11 Systems Engineer will play a crucial role in supporting ... Windows GPOs. **Desired Qualifications:** + Applicable Microsoft certifications (eg, Windows Server Hybrid Administrator Associate, Microsoft 365 Endpoint … more
    NANA Regional Corporation (08/13/25)
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  • Lenel System Administrator 2

    M. C. Dean (Norfolk, VA)
    …a **Lenel System Administrator 2** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will be ... telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient, secure,… more
    M. C. Dean (09/04/25)
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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 ... and commercial customers across high-growth markets. As a System Administrator for our Physical Security Systems , you...+ Digitus + C-Cure + Requires an understanding of Windows patching and vulnerability remediation with ATO processes +… more
    M. C. Dean (08/30/25)
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  • System Administrator 2

    M. C. Dean (Arlington, VA)
    …seeking a **System Administrator 1** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient, secure,… more
    M. C. Dean (08/27/25)
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  • System Administrator 1

    M. C. Dean (Arlington, VA)
    …seeking a **System Administrator 1** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient, secure,… more
    M. C. Dean (08/27/25)
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  • NOC Administrator - TS/SCI Required

    TEKsystems (Fort Belvoir, VA)
    …monitor, analyze, troubleshoot, and escalate incidents within federal networks and systems to ensure optimal performance and continuous availability. This role is ... clearance. Primary Responsibilities: Monitor and assess federal network infrastructure, systems , and applications using enterprise monitoring tools. Identify, assess,… more
    TEKsystems (09/03/25)
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  • Senior System Engineer

    CACI International (VA)
    …certification for Security+ or any of CISSP, CCNA, or CCNP + Experience building Windows client systems . + Experience with Azure resources and deployments. + ... Senior System Engineer Job Category: Information Technology Time...diagrams, detailed designs, as-build specifications, and SOPs. + Support Windows Zero Touch Implementation (ZTI) processes for AVD solutions.… more
    CACI International (09/06/25)
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