• Senior Network Systems Engineer

    SMX (Dahlgren, VA)
    …and manage the customer secure network infrastructures, leveraging Cisco, Juniper, TCP / IP , and VoIP technologies according to DoD/Navy cybersecurity procedures ... network (LAN)/ wide area network (WAN) corporate environments using: Cisco, Juniper, TCP / IP and VoIP technologies with routers, switches, fiber optics, firewalls… more
    SMX (11/14/25)
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  • Network Engineer

    Nightwing (Sterling, VA)
    …and other communication systems. The NE demonstrates knowledge of networking protocols ( TCP / IP , OSPF, BGP), network security, and various network technologies ... (NFV). Required Skills: + Networking Technologies and Protocols: Deep understanding of TCP / IP , DNS, routing, switching, and network security protocols. +… more
    Nightwing (09/26/25)
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  • Network Engineer

    System One (Springfield, VA)
    …protocols, VoIP, DNS, remote access, VPN, routing, and switching. + Knowledge of TCP / IP routing technologies including OSPF, EIGRP, and BGP, in addition to ... including local area networks (LANs) wide area networks (WANs), the internet , intranets, and other data communication systems. + Possesses experience with… more
    System One (12/16/25)
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  • Network Engineer

    Leidos (Chantilly, VA)
    …+ Active/current basic CCNA certification + Solid understanding of OSI or TCP / IP model + Hands-on experience with network monitoring, network diagnostics, ... performance, and security + Document and enforce network standards + Manage and maintain IP addressing schema + Travel OCONUS as needed + Maintain network lab in… more
    Leidos (12/13/25)
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  • Security Operations Engineer II

    Quality Technology Services, LLC (Ashburn, VA)
    … based CCTV systems; Genetec or equivalent based CCTV/NVR appliances and software; TCP / IP networked CCTV systems. + Minimum of three years' experience ... security systems to facilitate more efficient operation. + Work with Property Development, Solutions, and Facilities to develop comprehensive enterprise security… more
    Quality Technology Services, LLC (12/05/25)
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  • Journeyman Network Engineer

    Leidos (Alexandria, VA)
    …services (VPCs, VNets, Transit Gateway, NSGs, Route Tables) + Strong understanding of TCP / IP , BGP, DNS, NAT, and VPN technologies + Familiarity with Zero ... Versa Networks SD-WAN and security platforms + Experience configuring and managing F5 BIG- IP LTM, GTM, and ASM modules + Proficiency in AWS and/or Azure networking… more
    Leidos (12/04/25)
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  • Senior Linux Architect

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    …have troubleshooting skills in RHEL 7/8/9 OS and basic knowledge of Networking fundamentals, specifically TCP / IP protocol suite and IP configuration + In ... addition, working knowledge of security guidelines and polices (DISA STIGs) and tools (Evaluate-STIG, STIG-Manager) + Knowledge of / experience with Tenable suite of products (Security Center, Nessus Scanner, Nessus Agent) is a plus + Seeking specific… more
    UIC Government Services and the Bowhead Family of Companies (12/03/25)
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  • Network Engineer III

    William C Brown Inc (Springfield, VA)
    …VoIP, DNS, remote access, VPN, routing, and switching. Also has knowledge of TCP / IP routing technologies including OSPF, EIGRP, and BGP, in addition to ... including local area networks (LANs) wide area networks (WANs), the internet , intranets, and other data communication systems. + Possesses experience with… more
    William C Brown Inc (12/01/25)
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  • ICS: Afhe Maintenance Technician

    KBR (Portsmouth, VA)
    …DC control circuits and various communication protocols including Modbus RTU and TCP / IP . + Ability to troubleshoot and maintain industrial network infrastructure ... sensors, or I/O modules, motor control problems, network or communication faults (Ethernet/ IP , Modbus, Profinet). + Program or Modify Control Systems: Create or edit… more
    KBR (11/27/25)
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  • Network Field Engineer

    CACI International (Fairfax, VA)
    …is significantly more important than the number of years of experience + Experience in IP Related Services: TCP / IP , UDP, ICMP, PPP, and SIP (Desired) + ... Experience installing and maintaining Cisco routers and switches (Desired) + Experience with UPS systems and AC/DC power systems, to include installation/connection (Desired) + Working knowledge of CAT 5, CAT 6, and Fiber Optic cable, connectors, and… more
    CACI International (11/22/25)
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