• Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    … for federal, local and commercial customers across high-growth markets. As a System Administrator for our Physical Security Systems , you will be responsible ... will join forces with more than 5,800 professionals who engineer and deploy automated, secure and resilient power and...system performance and recommend improvements + Resolve complex system issues for physical security systems +… more
    M. C. Dean (07/15/25)
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  • Systems Administrator, Senior

    BOOZ, ALLEN & HAMILTON, INC. (Arlington, VA)
    …networking and working within classified environments supporting agencies with a solid background in windows operating systems to help us build and deploy te chn ... You Have: + 5+ years of experience as a systems administrator, network engineer , or cybersecurity ...Active Directory, SCCM, Hyperflex, or SolarWinds + Knowledge of Windows and Unix operating systems + Ability… more
    BOOZ, ALLEN & HAMILTON, INC. (07/19/25)
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  • Principal Systems Administrator

    ManTech (Arlington, VA)
    …Certification or ability to obtain within 6 months of hire + Knowledge of Microsoft Windows Systems , HP SANs, VMware products + Experience using a Service Desk ... needs + Strong technical skills in areas such as Windows and Linux operating systems , network administration,...the following certifications is desired: MCSE - Microsoft Certified System Engineer , MCSE - Microsoft Certified Solutions… more
    ManTech (08/08/25)
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  • Assoc/Mid/Senior ET P&C System Field Compl…

    Dominion Energy (Glen Allen, VA)
    …Technology (IT/OT), cyber security, firewall rule development, and/or management of Windows operating systems security or a combination of this ... Technology/Operations Technology (IT/OT), cyber security, firewall rule development, and/or management of Windows operating systems security - or - 4 years of… more
    Dominion Energy (08/02/25)
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  • Systems Sustainment Administrator - Evening

    SAIC (Suffolk, VA)
    **Description** SAIC is looking for a ** Systems Engineer ** to serve as a ** Systems Administrator** with experience in US Navy IT networks to support the ... availability and reliability. The position will support end-to-end network, system , and element visibility; facilitate rapid operations, administration, maintenance,… more
    SAIC (08/07/25)
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  • Senior Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …of progressive, hands-on experience maintaining Enterprise information systems as a systems administrator or systems engineer . + Demonstrated expertise ... with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - active TS/SCI clearance to support our… more
    V2X (08/07/25)
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  • Information System Security Officer,…

    Lockheed Martin (Herndon, VA)
    …with industry standard Information Assurance tools\. \- Technical familiarity with Windows or UNIX\-based operating systems , and their security requirements\. ... system hardening, analysis, vulnerability management, DISA STIGs\. \- Prior Information System Security Engineer \(ISSE\) or System Administration… more
    Lockheed Martin (08/08/25)
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  • Mainframe ZOS / DB2 Support

    System One (Reston, VA)
    Job Title: Mainframe / DB2 Support Engineer Location: 100% Remote EST - candidates should be located in MD, VA, DC, or West Virginia Role Type: 6 + months contract ... DCO Lead. * Provide real-time monitoring for both Mainframe and Distributed systems in order to proactively detect and prevent service disruption. * Responsible… more
    System One (08/03/25)
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  • OCI Administrator

    System One (Ashburn, VA)
    …of the Windows Server or Red Hat Enterprise Linux operating systems . * BS or equivalent experience in programming on enterprise or department servers ... Job Title: Oracle Cloud Engineer Location: Remote (Must be available to work in EST...or systems Ref: #850-Rockville (ALTA IT) System One, and its… more
    System One (06/10/25)
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  • Senior Systems Administrator (S)

    SimIS Inc. (Dahlgren, VA)
    …listed position and is contingent upon award. Job Description: SimIS, Inc. seeks a Senior Systems Engineer to lead systems engineering activities for a US ... This position provides technical leadership for complex simulation and training systems including requirements analysis, system integration, verification and… more
    SimIS Inc. (06/23/25)
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