• Infinity Systems Engineering (Alexandria, VA)
    …be more with us! Job Summary: We are seeking a skilled Systems Administrator/Network Engineer to join our mission-driven team. This position offers a broad scope of ... business needs and growth. + Configure, manage, secure, and troubleshoot Juniper and Cisco switches. + Contribute to network and systems design in alignment with… more
    DirectEmployers Association (11/25/25)
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  • Cisco Call Manager Administrator

    CACI International (Chantilly, VA)
    …high-quality communication services. This role requires a deep understanding of Cisco VoIP technologies, unified communications, and collaboration solutions. You ... + Assist with system upgrades and patch management under senior engineer guidance + Maintain accurate documentation...configuration + Understanding of dial plans, call routing, and voice gateway configurations + Familiarity with Cisco more
    CACI International (12/27/25)
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  • Principal or Senior Principal Network…

    Northrop Grumman (Fairfax, VA)
    …communication technologies; examples include Internet Protocol ( IP ) networks, Voice over IP ( VoIP ), Information Assurance (IA), satellite and ... history. Northrop Grumman Aeronautics Systems is looking to add a **Principal or Senior Principal Network and Communications Field Service Engineer ** to our team… more
    Northrop Grumman (12/04/25)
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  • Senior Network Engineer

    ManTech (Chantilly, VA)
    **MANTECH** is seeking a motivated, career and customer-oriented Senior Network Engineer to join our team in Chantilly, VA. This is a position requiring onsite ... resolving complex issues related to customer sites,telecommunications circuits, routing, switching, VoIP , VTC, network encryption devices, and Cisco data… more
    ManTech (12/17/25)
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  • Network Unified Communications Design…

    Eliassen Group (Quantico, VA)
    …LAN Encryption (TACLANE) configurations + Support integration and transition of USMC and DISA Voice over Secure IP (VoSIP) services + Design and manage ... **Network Unified Communications Design Engineer Senior - SMIT** **Quantico, VA** **Type:**...Support government-led engineering efforts by providing day-to-day network and voice engineering across LAN, BAN, WAN, and VoIP more
    Eliassen Group (12/19/25)
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  • Senior Network Systems Engineer

    SMX (Dahlgren, VA)
    …team to design, implement, and manage the customer secure network infrastructures, leveraging Cisco , Juniper, TCP/ IP , and VoIP technologies according to ... Senior Network Systems Engineer (4416)at SMX(View...network (LAN)/ wide area network (WAN) corporate environments using: Cisco , Juniper, TCP/ IP and VoIP more
    SMX (11/14/25)
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  • Senior Network Engineer

    Ensono (Richmond, VA)
    …adhering to standard design methodologies and best practices + Mastery of TCP/ IP protocol communications, addressing & subnetting + Firewall experience: ... **About the role and what you'll be doing:** The Senior Network Engineer is responsible for the...design and implementation of enterprise and data center wide voice and data network solutions that align with the… more
    Ensono (11/08/25)
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  • Unified Communications Engineer - Principal

    Amentum (Warrenton, VA)
    …the deployment and management of Cisco UC appliances * Experience configuring Cisco routers to act as VoIP gateways and demonstrate a strong understanding ... be able to troubleshoot end-to-end performance issues associated with voice and video conferences involving IP and...gateways, voice circuits, and crypto technologies for voice systems * Cisco Certified Network Professional… more
    Amentum (12/11/25)
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  • ABAD Senior Network Engineer **This…

    Parsons Corporation (Centreville, VA)
    …redefine what's possible. **Job Description:** Parsons is looking for an amazingly talented ** Senior ** **Network Engineer ** to join our team! In this role you ... + In-depth knowledge of EIGRP and OSPF routing protocols, DMVPN, IPSec, 802.1x, Cisco ISE, and VoIP . + Experience with SD-WAN solutions (Palo Alto, Cisco ) +… more
    Parsons Corporation (12/02/25)
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  • Network Engineer IV

    Chenega Corporation (VA)
    …management and administration services. + Evaluate the network infrastructure (eg, VoIP , internet , intranet) and provide network improvement recommendations. + ... Network Engineer IV Multiple Locations, VA Join our Talent...telephones at the onsite locations. + Install and configure VoIP related cross-connect cabling and hardware. + Implement software… more
    Chenega Corporation (10/07/25)
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