• 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 ... network security, firewalls, and VPNs. + Strong knowledge of networking protocols (TCP/ IP , BGP, OSPF, VLANs, etc.). + Proficiency in configuring and managing… more
    DirectEmployers Association (11/25/25)
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  • VoIP Engineer

    General Dynamics Information Technology (Falls Church, VA)
    …**Skills:** Cisco Voice over IP ,Collaborating,Project Support,System Upgrades, Voice over IP ( VoIP ) **Certifications:** Cisco Certified ... + years of related experience **US Citizenship Required:** Yes **Job Description:** **HOW THE VoIP ENGINEER WILL MAKE AN IMPACT:** We are seeking an experienced … more
    General Dynamics Information Technology (12/19/25)
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  • Senior Lead - VOIP Engineer

    Sprinklr (Washington, DC)
    …**Job Description** **What Does Success Look Like?** We are looking for a **Principal VOIP Engineer ** to lead the architecture and technical direction of our ... next- gen voice infrastructure. You'll be responsible for building carrier- grade...VoIP / CPaaS** domain + Strong knowledge of ** VoIP Protocols** (SIP/SDP, RTP/RTCP) **, Networking fundamentals** (UDP/TCP/ IP more
    Sprinklr (12/21/25)
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  • COMSEC / 5G cellular / VHF Systems Engineer

    General Dynamics Information Technology (Washington, DC)
    …and repair actions on: Wideband Satellite Communications (SATCOM) equipment, Voice Over Internet Protocol ( VOIP ) endpoints, Ultra-high ... mobile cellular devices, and VHF/SHF/UHF radio platforms. + Understanding of IP networking fundamentals, VOIP systems architecture, encrypted video… more
    General Dynamics Information Technology (11/20/25)
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  • Network Engineer (Unified Communications)

    BAE Systems (Washington, DC)
    …operations of the Unified Communications subsystems, operations and maintenance of all VTC and Voice over IP devices to include Call Managers, Session Border ... **Job Description** BAE Systems is seekinga **Unified Communications (UC)/Network Engineer ** to support our work as a prime contractor...Controllers, Voice over IP endpoints, Video… more
    BAE Systems (12/06/25)
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  • Senior Unified Communications Voice

    CACI International (Washington, DC)
    …include but are not limited to Desktop Video Conferencing (DVTC), Voice over Internet Protocol ( VoIP ), Multiway/Meet-Me, Streaming Services, Chat ... Senior Unified Communications Voice Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph… more
    CACI International (01/15/26)
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  • Voice Network Engineer

    SAIC (Washington, DC)
    Voice Systems, Secure Voice Systems to include red switch, TDM Switching, Voice Over IP ( VOIP ). + Experience supporting the government customers ... technologies and ability to implement the latest network technologies such as VOIP , VPN, routing and switching, IDS, Session Border Controllers, Content Switching,… more
    SAIC (12/03/25)
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  • Senior Network Engineer

    SAIC (Springfield, VA)
    Voice Systems, Secure Voice Systems to include red switch, TDM Switching, Voice Over IP ( VOIP ). + Experience supporting the government customers ... Unit currently has an opening for a **Senior Network Engineer ** to support a Department of State (DoS) Bureau...sets standards and maintains a range of network and voice components and systems. + Provides client consulting and… more
    SAIC (01/08/26)
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  • VTC Engineer ‐ Lead

    SAIC (Washington, DC)
    **Description** SAIC is seeking a Senior VOIP Engineer to support a large government customer. **This role is onsite at the DOT headquarters in Washington, DC.** ... _Network Knowledge:_ + Strong understanding of networking protocols (eg, TCP/ IP , SIP, H.323, RTP). + Experience with VLANs, QoS,...VOIP . + Must have experience managing and integrating Voice services with WebEx and other VTC technologies. +… more
    SAIC (12/23/25)
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  • Voice Communication Engineer

    Noblis (Washington, DC)
    …The selected engineer will provide **domain and technical expertise** in **ATC voice systems, VoIP voice switches, and data/ voice networking** ... control (ATC) communications are managed across the US, integrating modern IP -based voice switching, data interoperability, and secure, low-latency digital… more
    Noblis (11/05/25)
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  • 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 ... Senior Network Systems Engineer (4416)at SMX(View all jobs) (https://www.smxtech.com/careers/) Dahlgren, VA...wide area network (WAN) corporate environments using: Cisco, Juniper, TCP/ IP and VoIP technologies with routers, switches,… more
    SMX (11/14/25)
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  • Unified Communications Engineer

    SAIC (Washington, DC)
    …Wash DC - 2 days remote. **Key Responsibilities:** + Design and implement scalable VoIP solutions, ensuring seamless voice and video communication. + Manage and ... **Description** SAIC is seeking a highly skilled Unified Communications Engineer to design, deploy, and manage our advanced communication systems. The ideal… more
    SAIC (01/06/26)
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  • Network Engineer

    System One (Springfield, VA)
    Job Title: Network Engineer Location: Springfield, Virginia Type: Contract To Hire Compensation: $130,000 - $150,000 depending on experience Security Clearance: ... TS/SCI Network Engineer to provide support for LAN/WAN by developing network...install and configure WAN and LAN hardware to include voice , video, and data cable systems. Develops system specifications,… more
    System One (12/26/25)
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  • Network Engineer III

    William C Brown Inc (Springfield, VA)
    Network Engineer III EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard ... by law. Description WCBinc is looking for a Network Engineer to provide support for LAN/WAN by developing network...install and configure WAN and LAN hardware to include voice , video, and data cable systems. Develops system specifications,… more
    William C Brown Inc (12/01/25)
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  • 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 ... multiple functional disciplines and support operational needs. The Network Engineer /Reviewer will conduct in-depth cybersecurity assessments of boundary security… more
    TekSynap (12/24/25)
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  • Senior Network Engineer

    Competitive Range Solutions, LLC (Arlington, VA)
    …Range Solutions requires the expertise of a talented and experienced Senior Network Engineer to assist in the direction and management of the program's executive ... effective integration with a government multi-contractor team. The Senior Network Engineer will be critical in maintaining, troubleshooting, and enhancing our… more
    Competitive Range Solutions, LLC (11/06/25)
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  • System Engineer Cisco PBX (VoSIP)

    TekSynap (Arlington, VA)
    …+ Operate and maintain Government-furnished telephone/telecommunications equipment, including VoIP , VoSIP, ACD, and TDM technologies. + Involves implementing ... + Develop and execute preventive maintenance programs to keep the voice infrastructure up to date with patches, upgrades, and security/compliance requirements.… more
    TekSynap (01/06/26)
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  • CCSS Principal Systems Engineer - WHCA…

    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 ... world. Raytheon Field Engineering is anticipating an opportunity for a Principal Systems Engineer . This role is suited for a motivated individual with an extended… more
    RTX Corporation (11/13/25)
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  • Senior Installation Technician w/TS/SCI CI Poly

    TekSynap (Washington, DC)
    …with service orders and repair activities related to Category 6 cabling, Voice over IP networks ( VOIP ), and fiber optic cabling infrastructure. This ... communicate with supervisors, Computer literate. + Installs, maintains, and repairs voice and data communications cabling systems. + Interprets service orders,… more
    TekSynap (11/06/25)
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  • Roaming Networking Tech/ Engineer DC…

    TEKsystems (Washington, DC)
    …resource will provide hands on support for phone handset (analog and VOIP technologies) and wall jack activations for phone systems onsite Technologies: ... have experience at least two of the preferred technologies ( VOIP and Phone) The customer will provide training for...cat 6 CVD VACCINATION REQUIRED-NO EXPEMPTIONS Skills cabling, fluke, voice , pbx, lan, siemens, fluke devices, voice more
    TEKsystems (01/13/26)
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