SIP Server Engineer/Asterisk Developer

4 weeks ago

Noida, India 360 degree cloud technologies Full time

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). (ref:hirist.tech)

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