<p>We are seeking a highly experienced Senior VoIP / Network Engineer with 15+ years of hands-on experience in enterprise voice and network infrastructure. The ideal candidate will have deep expertise in VoIP technologies, advanced networking, and troubleshooting complex, large-scale communication environments. Experience with Cisco contact center technologies (UCCE) is preferred.</p> <b>Key Responsibilities:</b> <ul> <li>VoIP / Voice Engineering Design and architect enterprise VoIP and IP telephony solutions</li> <li>Lead implementation of SIP, RTP, and call control protocols</li> <li>Troubleshoot complex voice quality issues (latency, jitter, packet loss)</li> <li>Manage dial plans, call routing, and call flow design</li> <li>Network Engineering Architect and manage enterprise network infrastructure (routers, switches, firewalls)</li> <li>Implement advanced TCP/IP, VLANs, QoS, and VPN solu...