Hammad Bhatti

Senior Support Engineer with over 2 years of experience in VoIP and telecom operations, specializing in SIP signaling, routing optimization, and inter-carrier troubleshooting. Skilled in diagnosing call quality issues through PCAP and CDR analysis, managing media/signaling gateways, and collaborating cross-functionally to enhance uptime and customer satisfaction. Proven record of reducing call failures and improving routing efficiency in high-traffic telecom environments.

• Investigate and troubleshoot SIP/VoIP call flows using Wireshark and signaling analysis, improving issue resolution time by 30%.
• Manage carrier interconnects and optimize call routing for LDI and domestic traffic, enhancing call success rates.
• Configure and maintain GSX9000, SGX, SBC gateways, ensuring redundancy and optimal media routing.
• Collaborate with cross-functional teams (DevOps, NOC, and Support) to resolve network and application-layer issues.
• Handle escalations through Freshdesk, Helpdesk, and HubSpot, maintaining high customer satisfaction scores.

Bachelor of Science in Computer Science