Provide local software and hardware support for complex configurations: Session Border Controllers, Security Services, E911, SIP and Session Management, LAN/WAN, VoIP, Toll Free Engineering, with integrations to Avaya, Cisco, and Genesys. The ideal candidate will have strong experience in voice infrastructure, carrier/transport, and SIP access technologies and a proven ability to drive voice access modernization through engineering documentation, program communication, and C-level ready materials.