• Network Based Systems Analyst III

    ARSIEM (Arlington, VA)
    …(IDS) alerts against network traffic using packet analysis tools + Identify applications and operating systems of a network device based on network ... activity based on network traffic + Identify network mapping and operating system (OS) fingerprinting...and present reports + Evaluate the effectiveness of installed systems and services Minimum Qualifications + BS Computer Science,… more
    ARSIEM (07/10/25)
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  • Network Based Systems Analyst II

    ARSIEM (Arlington, VA)
    …(IDS) alerts against network traffic using packet analysis tools + Identify applications and operating systems of a network device based on network ... Network Defense Analyst (CNDA) to monitor and analyze network activity to protect information, information systems ,...activity based off network traffic + Identify network mapping and operating system (OS) fingerprinting… more
    ARSIEM (08/28/25)
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  • SIPRNet Administrator

    CACI International (Reston, VA)
    …with a focus on classified networks. + Active Secret clearance. + Strong understanding of network devices and operating systems . + Proficiency in DISA STIGS ... firewalls, IDS/IPS, and C2C. + Complete STIG checklists for network and operating system hosts. + Patch...(Forescout). + Previous ACAS scan administration experience. + Additional certifications or training in network security and… more
    CACI International (08/08/25)
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  • Staff Operations Officer (SOO) (TS/SCI with Poly…

    General Dynamics Information Technology (Chantilly, VA)
    …when needed WHAT YOU'LL NEED TO SUCCEED: + Working knowledge in computer and network operating systems , cryptocurrency, network security, enterprise ... network security + Experience using customer reporting systems and templates. + Experience planning, coordinating, and supporting customer operations. +… more
    General Dynamics Information Technology (09/17/25)
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  • Senior Assurance Consultant, AWS Security…

    Amazon (Herndon, VA)
    …Qualifications - Experience in performing security assessments and information system audits of network , operating systems , application security, as well as ... with AWS Professional Services, upskill with AWS Training and Certification , optimize with AWS Support and Managed Services, and...Compliance leader who can address the challenges of migrating systems and workloads to the cloud? Are you skilled… more
    Amazon (08/13/25)
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  • Systems Administrator

    General Dynamics Information Technology (Bluemont, VA)
    …maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance * Perform ... software installations and upgrades to Unix/Windows operating systems and layered software packages and maintains them in accordance with established policies,… more
    General Dynamics Information Technology (09/27/25)
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  • Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance + Perform ... software installations and upgrades to Unix/Windows operating systems and layered software packages and...+ General knowledge of Windows and UNIX administration, computer systems hardware, network administration, Storage administration and… more
    General Dynamics Information Technology (08/26/25)
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  • Senior Security Operations Center Analyst

    ManTech (Herndon, VA)
    …endpoint detection and response (EDR) tools, and firewalls. + Strong understanding of network protocols, operating systems , and security architectures. + ... compliant certifications , and one of the following relevant certifications : Certified Information Systems Security Professional (CISSP), Certified Incident… more
    ManTech (09/03/25)
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  • Senior Cyber Security Detections Engineer

    ManTech (Springfield, VA)
    …+ 5+ years of related cyber experience + Experience with modern Windows, UNIX, network operating systems , databases, and virtual computing environments + DoD ... incident trend analysis and reporting + Characterizing and analyzing network traffic and system data to identify anomalous activity...8570 certification meeting IAT Level II (eg, GSEC, Security+, SSCP,… more
    ManTech (09/11/25)
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  • Systems Administrator

    Arena Technical Resources, LLC (Langley, VA)
    …maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance * Perform ... support of Unix/Windows workstations and servers, including Web servers, network attached storage devices, and stored data in support...software installations and upgrades to Unix/Windows operating systems and layered software packages and… more
    Arena Technical Resources, LLC (09/30/25)
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