Senior VoIP Architect - Onsite (Quantico) with TS Clearance

Empower AI is seeking a Senior VoIP Engineer to own the architecture, engineering, and sustainment of enterprise VoIP infrastructure for a DoD agency across NIPRNet, SIPRNet, and JWICS enclaves. You will manage CUCM, Unity, Expressway/SBCs, voice gateways, and dial plans while ensuring STIG compliance and eMASS evidence. This onsite role in Quantico, VA (RKB) requires leadership in complex voice incidents, RMF/ATO documentation, and collaboration with OEMs and carriers.