• Voice Over Internet

    ManTech (Annapolis Junction, MD)
    ManTech seeks a motivated, career- and customer-oriented Voice Over Internet Protocol ( VOIP ) Technician to join our team in Annapolis Junction, MD. ... In this role, you will serve as the VOIP SME, supporting Cisco Unified Call Managers...real-time incidents and service requests + Provide support for TCP/ IP network protocols, including TCP, Session Initiation Protocol more
    ManTech (06/28/25)
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  • System Engineer Cisco PBX (VoSIP)

    Competitive Range Solutions, LLC (Fort Meade, MD)
    …to ensure seamless and secure telecommunications. + Manage and maintain government-furnished Cisco PBX systems, VoIP , VoSIP, ACD, and all associated ... provisions. + Provide technical and project management support for voice projects, including PBX analysis/implementations, VoIP technical... Cisco PBX systems. + Extensive experience with Cisco PBX, VoIP , VoSIP, and TDM technologies.… more
    Competitive Range Solutions, LLC (08/07/25)
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  • Unified Communications Specialist - TS/SCI w/Poly

    General Dynamics Information Technology (Annapolis Junction, MD)
    …and DHCP troubleshooting is preferred. * Must have a thorough knowledge of a Voice over Internet Protocol ( VoIP ) technologies. * Should have a strong ... Responsible for the architecture, configuration, and maintenance of worldwide Voice , Video, and Chat, physical and virtual infrastructure. *...back ground with Cisco Unified Communications Manager, Cisco Meeting Server,… more
    General Dynamics Information Technology (08/13/25)
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  • Unified Communications Engineer

    Leidos (Rockville, MD)
    …for the customer's Unified Communications and Collaborations (UCC) solution. The UCC solution integrates Voice over IP ( VoIP ), Unified Messaging, Instant ... candidate must have significant experience in designing, building, and operating Cisco Unified Communication and Telepresence systems in a large production… more
    Leidos (08/13/25)
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  • Network Engineer Level 3

    Jovian Concepts, Inc. (Annapolis Junction, MD)
    …solutions to support server requirements to include load-balancing, VPN's, firewall contexts, Traffic Shaping Voice over IP ( VoIP ), GRE Tunneling, IP ... of Network gear. + Strong experience with Arista and Cisco gear The ideal candidate will perform network services...(IPSec), IP Encryption, Media over IP (MoIP), and network address translation (NAT) where appropriate.… more
    Jovian Concepts, Inc. (06/26/25)
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  • Modernization Cyber Network Engineer - NE1

    Lockheed Martin (Hanover, MD)
    …solutions to support server requirements to include load\-balancing, VPN's, firewall contexts, Traffic Shaping Voice over IP \( VoIP \), GRE Tunneling, ... IP Security \(IPSec\), IP Encryption, Media over IP \(MoIP\), and network address translation \(NAT\) where appropriate\. Knowledge or Experience in the… more
    Lockheed Martin (07/12/25)
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  • Network Engineer III - Pipeline (TS/SCI w/…

    COMSO, Inc (Fort Meade, MD)
    …solutions to support server requirements to include load-balancing, VPN's, firewall contexts, Traffic Shaping Voice over IP ( VoIP ), GRE Tunneling, IP ... certification as defined by DoD 8570.01-M is required. + Cisco certification is required, at least one of the...(IPSec), IP Encryption, Media over IP (MoIP), and network address translation (NAT) where appropriate.… more
    COMSO, Inc (07/22/25)
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  • Network and Systems Technician

    CACI International (Forest Heights, MD)
    …+ Hands-on experience with products such as: Cisco Unified Call Manager (CUCM), Cisco VoIP , Cisco Meeting Management (CMM), Cisco Meeting Server ... devices. **Responsibilities:** + Manage, troubleshoot, and maintain Unified Communications and VoIP system endpoints ( Cisco CM, CMS, VTC, Microsoft Teams).… more
    CACI International (08/08/25)
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  • Unified Communications Lead

    ManTech (Camp Springs, MD)
    …agency. + Provides troubleshooting and restoration services for key functional systems including Cisco Call Manager, Cisco Expressways, Cisco WebEx, Polycom ... RMX Bridge, Polycom DMA, Polycom Resource Manager, Cisco Telepresence Management Suite, Cisco Meeting...vBrick Media-Streaming systems, and Microsoft Teams). + Experience in VoIP + Demonstrated experience in automation of routine tasks… more
    ManTech (08/08/25)
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  • Network Engineer (Engineer Network 3)

    Huntington Ingalls Industries (Fort Meade, MD)
    …LAN/WAN infrastructure, including SIPRNet and NIPRNet domains + Manage network hardware ( Cisco , Juniper), authentication servers, and VoIP systems + Implement ... with Cisco /Juniper routers, switches, and firewalls + Proficiency in TCP/ IP , BGP, OSPF, VLANs, and network segmentation + Familiarity with SolarWinds, Junos… more
    Huntington Ingalls Industries (07/11/25)
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