• Senior Specialist Systems Engineering…

    L3Harris (Springfield, VA)
    …an experienced Information Technology Senior Systems Administrator or Mid-to-Senior Level Systems Engineer to join our highly skilled and diverse team. This ... a Senior Systems Administrator or Mid-Senior Level Systems Engineer , you will work with a...systems in an operations environment. + Maintain operational Windows /Linux combined Active Directory environments with full security software… more
    L3Harris (09/04/25)
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  • Mid System Administrator

    Parsons Corporation (Quantico, VA)
    …looking for. **Job Description:** Parsons is looking for an amazingly talented **Mid System Administrator** to join our team! **What You'll Be Doing:** + Maintains ... smooth operation of multi-user computer systems , including coordination with network engineers. + Monitors and...including coordination with network engineers. + Monitors and manages system resources, including CPU usage, disk usage, and response… more
    Parsons Corporation (08/16/25)
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  • Systems Administrator (2nd shift)

    General Dynamics Information Technology (Mclean, VA)
    …for system interdependencies/issues + Identify, recommend, and problem solve system issues to ensure systems , software, and applications are properly ... MS Office Suite 2016, Symantec Anti-Virus, Veritas Back-up Exec, Mediawiki + Jira ticketing system + Basic windows script knowledge and ability to understand a… more
    General Dynamics Information Technology (10/01/25)
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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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  • System Administrator

    TekSynap (Arlington, VA)
    …** toadminister and sustain JPO's classified and unclassified systems , applying patches,monitoringuptime, and ensuring compliance in cloud-native environments. ... + Bachelor's degree in IT, Computer Science, or related. + 5+ years system administration (Linux/ Windows ) in hybrid or cloud environments. + Experience with… more
    TekSynap (10/02/25)
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  • Information Systems Security Manager

    M. C. Dean (Vienna, VA)
    …platforms, and technologies, including Microsoft Windows and/or Linux operating systems , and system virtualization (multiple hypervisors) in a secure network ... life safety, automation and controls, audio visual, and IT systems . MC Dean is headquartered in Tysons, Virginia, and...Tysons, Virginia, and employs more than 5,800 professionals who engineer and deploy automated, secure, and resilient power and… more
    M. C. Dean (09/13/25)
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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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  • ACAS Systems Administrator/ Information…

    CACI International (Norfolk, VA)
    …Travel: Continental US * * * **The Opportunity** We're seeking an experienced Information Systems Security Engineer & ACAS System Administrator to join our ... ACAS Systems Administrator/ Information Systems Security Officer...vulnerability remediation and patch management + Validated experience in Windows /Linux system administration + Documented experience in… more
    CACI International (09/25/25)
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  • Senior ServiceNow Developer

    BAE Systems (Sterling, VA)
    …Developer to join our visible technical program driving the Model Based Systems Engineering (MBSE) cloud platform that supports collection, management and analysis ... applications. This program delivers engineering services for Linux and Windows cloud-based infrastructure as well as sophisticated enterprise computing… more
    BAE Systems (09/09/25)
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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. (09/22/25)
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