SIP Server Engineer/Asterisk Developer

Role Overview: You are a highly skilled SIP Server Engineer/Asterisk Developer responsible for designing, configuring, and maintaining SIP-based communication systems. Your expertise in Asterisk, VoIP technologies, and real-time communication protocols will be utilized to ensure optimal performance, security, and integration with enterprise platforms. Key Responsibilities: - Deploy, configure, and manage SIP servers (Asterisk, FreeSWITCH, or similar PBX systems). - Implement WebRTC solutions for browser-based real-time communication. - Develop and maintain SIP signaling flows, call routing, IVR, conferencing, and advanced telephony features. - Configure firewalls, NAT traversal, and optimize network setups for SIP/VoIP traffic. - Monitor, troubleshoot, and optimize SIP events, call flows, and media streams. - Implement security mechanisms such as TLS/SRTP, anti-fraud measures, and system hardening. - Continuously monitor server performance, debug issues, and fine-tune systems for scalability. - Work on API-based integrations of SIP/Asterisk systems with Salesforce and other enterprise platforms. - Utilize 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). (Note: Company details were not provided in the job description),