• System Engineer Cisco PBX (VoSIP)

    TekSynap (Arlington, VA)
    …**REQUIRED QUALIFICATIONS** + Experience: + 3+ years working with Cisco Unified Communications Manager (CUCM) or similar PBX systems. + Certifications: + Cisco ... + Must possess a Secret clearance **Overview** We are seeking a System Engineer Cisco PBX (VoSIP) to join our team supporting DISA JSP ETM in Arlington, VA. TekSynap… more
    TekSynap (07/09/25)
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  • Unified Communications Services Engineer - TS/SCI…

    General Dynamics Information Technology (Chantilly, VA)
    …**Job Description:** Candidates with proven depth creating solutions with Cisco Unified Communications Manager , VoIP, and PBX will be positioned for success in ... Maintain the existing Cisco VoIP environment consisting of Cisco Unified Communications Manager and various models of Cisco and Polycom phones + Architecting… more
    General Dynamics Information Technology (05/13/25)
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  • ACD Voice Engineer

    General Dynamics Information Technology (Arlington, VA)
    …Avaya Aura Application Server 5300 R2 or Above, Avaya - Avaya Aura Communication Manager or similar Carrier PBX certification.** **What you'll need to succeed ... 90,000 users.** **Work encompasses support of SIP based Session Managers, Provisioning Manager , Personal Agent Manager , Media Application Servers, PRI Gateways… more
    General Dynamics Information Technology (08/08/25)
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  • Unified Communications Administrator

    CACI International (Norfolk, VA)
    …Messaging (IM), Presence, Audio/Video Streaming with some Public Branch Exchange ( PBX ) phone support within the enterprise. Responsibilities are based on tiered ... Candidate will become familiar with the use of Cisco Unified Communications Manager (CUCM), Cisco border controllers (CUBE/VCS), Multipoint Control Unit (MCU), Cisco… more
    CACI International (07/22/25)
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  • Telecommunications Engineer (Phone) - (Active…

    NANA Regional Corporation (Fort Belvoir, VA)
    …phones, VoSIP, Nortel Option 61C, Nortel Call Pilot, Avaya Aura Communications Manager , Communications Manager Messaging and Avaya System Administration Tool). + ... + Provides system administration of VoSIPs using Cisco Unified Communications Manager administration application. + Handles complex issues and problems, and refers… more
    NANA Regional Corporation (07/23/25)
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  • Network Engineer - TS/SCI Polygraph Required

    Leidos (Chantilly, VA)
    …iDirect VSATs + Experience using Solarwinds Performance Monitor and Configuration Manager + Experience implementing and troubleshooting AWS + Experience implementing ... and troubleshooting VoIP & PBX systems + Experience implementing and troubleshooting Asterisk ** This is a sourcing posting and the listed salary range may not be… more
    Leidos (08/08/25)
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