Job Overview

We are looking for a skilled Technical Support Engineer with 2–4 years of experience in VoIP technologies. The candidate should have a good understanding of SIP protocols, Asterisk, FreeSWITCH, Linux and networking concepts. The role involves troubleshooting VoIP-related issues, providing technical support, and ensuring smooth communication services for clients.

Key Responsibilities

  • Provide technical support and troubleshooting for VoIP-related issues.
  • Diagnose and resolve SIP registration, call connectivity, call routing and audio-quality issues.
  • Monitor and troubleshoot Asterisk and FreeSWITCH-based VoIP systems.
  • Analyze SIP logs and call flows to identify technical issues.
  • Troubleshoot RTP, UDP, TCP/IP and network-related problems.
  • Work with Linux-based servers and perform basic system administration.
  • Handle technical support tickets and ensure timely issue resolution.
  • Coordinate with development and engineering teams to resolve complex issues.
  • Provide technical assistance to international clients.

Required Skills & Qualifications

  • 2–4 years of experience in Technical Support, preferably in VoIP/Telecom.
  • Good knowledge of SIP protocols and VoIP architecture.
  • Hands-on experience with Asterisk and/or FreeSWITCH.
  • Strong understanding of Linux commands and troubleshooting.
  • Knowledge of networking concepts, including TCP/IP, UDP, RTP and DNS.
  • Experience with SIP debugging, call-flow analysis and troubleshooting.
  • Familiarity with Wireshark, SIP logs and packet analysis tools.
  • Good analytical, communication and problem-solving skills.

Preferred Skills

  • Experience with OpenSIPS or Kamailio.
  • Knowledge of VoIP gateways, SIP trunks and SBC.
  • Experience handling international clients and technical support tickets.
Location :- Ahmedabad