Looking for an onsite Voice Platform Engineer with strong hands-on experience in FreeSWITCH or Kamailio for managing and enhancing enterprise voice/VoIP platforms.Must have solid expertise in SIP, RTP, call routing, dial plans, troubleshooting call quality/signaling issues, and production support in high-availability environments.Strong programming skills in C++ with experience in debugging, performance optimization, and integrating telecom/voice applications with backend systems.Experience in Linux, shell scripting, monitoring tools, and working directly with customer teams in onsite delivery roles is preferred.Look for a 7+ years over all exp... and min 4-5 years in SIP and C++