• Classified Lab Manager

    The MITRE Corporation (Mclean, VA)
    …of lab IT architecture + Fundamental understanding of system administration, network , and operating system hardening techniques. + Fundamental ... updating Windows and Linux (RHEL, Ubuntu) server and desktop operating systems + Updating anti-virus software definitions...understanding of operating system command-line tools. + Ability to interface with customers… more
    The MITRE Corporation (09/04/25)
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  • Information Systems Security Engineer

    CACI International (Chantilly, VA)
    …expertise in information security practices and technologies. + Strong knowledge of network security, operating systems , databases, and application security ... standards. + Secure Network Architecture: Design and implement secure network architectures, segmenting critical data and systems from less sensitive… more
    CACI International (09/30/25)
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  • Network Engineer

    ManTech (Norfolk, VA)
    …years of relevant network engineering experience + Current baseline and Computing Environment/ Operating System (CE/OS) certifications + Must have IAT-II ... Identifying and analyzing systems requirements, developing and maintaining system applications and security, developing and maintaining network … more
    ManTech (09/30/25)
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  • Network Engineer SME

    General Dynamics Information Technology (Hampton, VA)
    …testing, and maintaining network devices, telecom equipment, radio equipment, operating systems , application software, and system management tools ... Operations **Skills:** Cisco Networking Infrastructure,Cisco Router Configuration,Cisco Routers and Switches, Network Engineering, Systems Design ** Certifications :** CompTIA… more
    General Dynamics Information Technology (07/16/25)
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  • Systems Administrator

    General Dynamics Information Technology (Langley AFB, VA)
    …and internal customers Provide Installation of PC hardware, Server hardware, and network connections. + Install/load operating system and application ... maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance. + Perform… more
    General Dynamics Information Technology (09/23/25)
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  • NMCC Information Systems Security Engineer

    TekSynap (Arlington, VA)
    …throughout information system network structures to include the Operating Systems , hardware, and various data transfer protocols. + Effective ... Develop and implement security designs for new and existing network systems , ensuring hardware, operating ...and system hardening. A deep understanding of operating systems , security tools, and server infrastructure… more
    TekSynap (09/16/25)
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  • Network Operations -Tier 2 NetOps

    CACI International (Reston, VA)
    …of the enterprise. + Draft Standard Operating Procedures (SOP) for network operations. + Troubleshoot systems failures and accessibility problems within the ... supports our intel customer across its CONUS & OCONUS operating locations. Our focus includes the design, transition, operations,...of technical resolution reports for critical outages in the Network . **What will you do:** + Perform System… more
    CACI International (07/21/25)
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  • Rapid Response Sr. Network Engineer

    Competitive Range Solutions, LLC (Arlington, VA)
    …coding for network threshold events + Active TS/SCI Clearance Education/ Certifications : + Bachelor's degree in information system , Engineering, or ... across their lifecycle. + Ensure seamless integration of the configuration management system and database with systems for other services/agencies, providing… more
    Competitive Range Solutions, LLC (08/07/25)
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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...8570 certification meeting IAT Level II (eg, GSEC, Security+, SSCP,… more
    ManTech (09/11/25)
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  • Network Security Engineer Lead

    Chenega Corporation (Fort Belvoir, VA)
    …of Campus Area Network (ICAN). + Install new modified hardware, operating systems , and software applications ensuring integration with Information Assurance ... Walker, Joint Base Myer Henderson Hall, and Fort Meade network system , including the LAN, WAN, SONET/NCS...routers, firewalls, SONET/NCS 4200 multiplexers, Windows servers, Storage Area Network (SAN), media backup systems , Cisco Digital… more
    Chenega Corporation (09/01/25)
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