• Voice Over Internet Protocol

    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, ... to TCP/IP network protocols that rely on TCP, Session Initiation Protocol , session description protocol , and VoIP codecs to provide reliable service. . +… more
    ManTech (11/29/25)
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  • Cyber Technical Surveillance Countermeasure Lead

    ManTech (Springfield, VA)
    …(ie, with Telephone Security Group (TSG) requirements) + Knowledge and experience with Voice over Internet Protocol systems, Cloud systems and network ... at least baseline certification for DoD 8570.01-M Information Assurance Technician Level II (IAT2) compliance. **Desired Qualifications:** + Telephone security… more
    ManTech (12/10/25)
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  • TSCM/Cyber Technical Analyst

    Parsons Corporation (Springfield, VA)
    …security (eg, Telephone Security Group (TSG) requirements). + Knowledge and experience with Voice Over Internet Protocol (VoIP) systems, Cloud systems, ... maintaining at least baseline certification for DoD 8570.01-M Information Assurance Technician Level II (IAT2) compliance. **What Desired Skills You'll Bring:** +… more
    Parsons Corporation (11/14/25)
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