SIP Server Engineer/Asterisk Developer

6 days ago

Noida, Uttar Pradesh, India 360 Degree Cloud Full time ₹ 20,00,000 - ₹ 25,00,000 per year

Role Overview
We are seeking a highly skilled SIP Server Engineer/Asterisk Developer to design, configure, and maintain SIP-based communication systems. The candidate should have in-depth knowledge of Asterisk, VoIP technologies, and real-time communication protocols, with strong expertise in performance tuning, security, and integration with enterprise platforms.

Key Responsibilities

  • SIP Server Setup & Configuration: Deploy, configure, and manage SIP servers (Asterisk, FreeSWITCH, or similar PBX systems).
  • WebRTC Integration: Implement WebRTC solutions for browser-based real-time communication.
  • VoIP Features & Signaling: Develop and maintain SIP signaling flows, call routing, IVR, conferencing, and advanced telephony features.
  • Network & Firewall Management: Configure firewalls, NAT traversal, and optimize network setups for SIP/VoIP traffic.
  • SIP Event Management: Monitor, troubleshoot, and optimize SIP events, call flows, and media streams.
  • Security & Compliance: Implement security mechanisms such as TLS/SRTP, anti-fraud measures, and system hardening.
  • Performance Optimization: Continuously monitor server performance, debug issues, and fine-tune systems for scalability.
  • Integration: Work on API-based integrations of SIP/Asterisk systems with Salesforce and other enterprise platforms.
  • Monitoring & Maintenance: Use tools for real-time monitoring, logging, and analytics to ensure high availability.

Required Skills & Qualifications

  • Strong experience in Asterisk PBX and other open-source SIP/VoIP platforms.
  • Hands-on knowledge of SIP, RTP, WebRTC, TCP/UDP, NAT traversal, and QoS mechanisms.
  • Proficiency in Linux server administration (CentOS, Ubuntu, etc.).
  • Familiarity with VoIP codecs (G.711, G.729, Opus, etc.) and media handling.
  • Strong understanding of network protocols (DNS, DHCP, TLS/SSL, Firewall rules).
  • Experience with SIP debugging tools (Wireshark, sngrep, tcpdump).
  • Programming/scripting knowledge in Python, Bash, or C for automation and customization.
  • Good understanding of real-time communication security standards.
  • Prior experience integrating with CRM/enterprise applications is a plus.

Preferred Qualifications

  • Experience with FreeSWITCH, Kamailio/OpenSIPS, or similar SIP servers.
  • Knowledge of cloud telephony platforms (Twilio, Plivo, etc.).
  • Exposure to Salesforce integrations.
  • Familiarity with containerized deployments (Docker, Kubernetes).

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