Voip Engineer

2 weeks ago

Jaipur, Rajasthan, India Sarv Full time ₹ 40,00,000 - ₹ 1,20,00,000 per year
  • Deploy, configure, and manage VoIP infrastructure (Asterisk, FreePBX, Kamailio,
  • OpenSIPS, or similar).
  • Monitor and troubleshoot call quality issues, SIP signaling, RTP media streams, and
  • NAT/firewall behavior.
  • Manage Linux servers for VoIP applications – service tuning, logs, security, cron jobs.
  • Handle integrations with CRM, call recording, SIP gateways, SBCs, and media servers.
  • Write and optimize dialplans, IVRs, and call routing logic using Asterisk or Lua/JSON
  • for FreeSWITCH.
  • Analyze PCAPs and SIP traces using Wireshark, sngrep, Homer, or similar tools.
  • Work with networking and DevOps teams to ensure QoS, bandwidth, and latency
  • optimization.
  • Maintain documentation for configurations, deployments, and internal processes.

Required Skills & Experience

  • Minimum 2 years of VoIP experience in a production environment.
  • Strong knowledge of SIP, RTP, SRTP, SIP registration, and NAT traversal techniques.
  • Proficiency in Linux system administration (Ubuntu/RHEL) and bash scripting.
  • Practical experience with VoIP monitoring and debugging tools (e.g., sngrep, tcpdump,
  • Wireshark).
  • Understanding of IP networking (TCP/UDP, DNS, DHCP, VLANs, routing).
  • Ability to interpret SIP INVITE, 200 OK, BYE, REGISTER flows like poetry.

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