• Operations Voice Manager

    Competitive Range Solutions, LLC (Arlington, VA)
    …multi-contractor team. Roles and Responsibilities: + Operate and maintain government-furnished voice communication systems, including VoIP , VoSIP, ACD, and TDM ... + 10+ years of relevant experience + Experience in voice communications technology, including VoIP , VoSIP, and TDM systems. + Strong technical knowledge of… more
    Competitive Range Solutions, LLC (11/06/25)
    - Related Jobs
  • Classified Systems Information Systems Security…

    ANSER (Arlington, VA)
    …+ Ensure continuous operation of classified communications systems including VoIP , DVTC/VTC, and unified communications. + Coordinate effectively across multiple ... tasks. + Maintain network services such as DNS, DHCP, and enforce secure TCP/ IP configurations. Required Qualifications: + Active TS/SCI clearance + 8+ years of… more
    ANSER (12/27/25)
    - Related Jobs
  • Network Engineer

    System One (Springfield, VA)
    …+ Can install and configure WAN and LAN hardware to include voice , video, and data cable systems. Develops system specifications, architecture designs, integration ... including local area networks (LANs) wide area networks (WANs), the internet , intranets, and other data communication systems. + Possesses experience with… more
    System One (12/26/25)
    - Related Jobs
  • Cyber operations Readiness Assessment Network…

    TekSynap (Fort Belvoir, VA)
    …**Responsibilities** + Perform technical reviews of firewalls, routers, switches, and VoIP /VVoIP systems in accordance with STIGs and SRGs. + Validate network ... in-depth cybersecurity assessments of boundary security devices, network infrastructure, and VoIP /VVoIP systems to ensure compliance with DoD standards. When not… more
    TekSynap (12/24/25)
    - Related Jobs
  • Sr. Network Administrator - TS required

    Huntington Ingalls Industries (Virginia Beach, VA)
    …circuit issues, equipment failures, router and switch configurations, firewall ACLs, VoIP device registration, and cryptographic device configuration and keying. You ... + Troubleshoot connectivity issues at the hardware, software, and protocol /packet level + Maintain and update network documentation, operational instructions,… more
    Huntington Ingalls Industries (12/20/25)
    - Related Jobs
  • Senior Linux Systems Administrator

    Leidos (Arlington, VA)
    …infrastructure that powers our core operations. This includes the maintenance of our VoIP DHCP services and our Red Hat Identity Management (IdM) system. You'll have ... to best practices. + Responsible for the ongoing maintenance and health of our VoIP DHCP services and our Red Hat Identity Management (IdM) system, including user… more
    Leidos (12/20/25)
    - Related Jobs
  • Unified Communications Engineer - Principal

    Amentum (Warrenton, VA)
    …command syntax * Must be able to troubleshoot end-to-end performance issues associated with voice and video conferences involving IP and ISDN networks. * Must be ... Enterprise Services (DCIN-TS ES) which is a DoD-provided, TS/SCI, integrated voice , video, and data, global communications network that facilitates collaboration… more
    Amentum (12/11/25)
    - Related Jobs
  • Network Engineer III

    William C Brown Inc (Springfield, VA)
    …+ Can install and configure WAN and LAN hardware to include voice , video, and data cable systems. Develops system specifications, architecture designs, integration ... 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)
    - Related Jobs
  • Network Engineer

    Assertive Professionals (Chantilly, VA)
    …experience in one or more of the following areas: + Ethernet and IP LAN design, configuration, and maintenance. + SONET-Based WAN design, configuration, and ... maintenance. + Border Gateway Protocol (BGP) and Multiprotocol Label Switching (MPLS) design, configuration,...such as VMWare vSphere, Windows Hyper-V, or equivalent. + VOIP solution design, configuration, and maintenance with Cisco, Polycom,… more
    Assertive Professionals (11/21/25)
    - Related Jobs
  • CCSS Principal Systems Engineer - WHCA Support

    RTX Corporation (Springfield, VA)
    …Framework (RMF) process. + Understanding of the essentials of Ribbon SBC, Cisco voice products, VoIP solutions and Call Managers. + Familiar with encryption ... at WHCA's facility in Washington, DC and involves supporting the WHCA Secure Voice Network (WHSVN) C2 systems and acquisition projects. These efforts are in support… more
    RTX Corporation (11/13/25)
    - Related Jobs