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Niche telephony skills reduce pool, but mid-level seniority and Chennai metro location increase applicant competition.
Highly domain-specific telephony, SBC, and SIP expertise limits cross-industry transferability.
Explicit 5+ years plus mandatory SIP, SBC, PBX, cloud and programming skills create strict technical filters.
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Design, build, and operate enterprise-grade SIP/VoIP telephony infrastructure including SIP trunks, SBCs, gateways, and call routing for high availability and redundancy.
Integrate telephony systems with cloud-based real-time voice AI platforms (e.g., Azure Voice Live, AWS Connect) to implement SIP-to-AI gateways and AI-powered voice bots at scale.
Develop and maintain telephony software components, APIs, and CTI integrations; ensure secure, automated deployments and monitor system performance with observability tooling.
Bachelor's degree in Telecommunications, Computer Science, or related field.
5+ years of enterprise telephony experience focused on SIP, VoIP, RTP protocols, SBC configuration, and PBX/media server platforms like Asterisk or FreeSWITCH.
Proficiency in at least one programming language: Python, JavaScript, Java, or C#.
Experience integrating telephony with AWS or Microsoft Azure cloud platforms and working knowledge of real-time audio streaming protocols and CTI APIs (REST/SOAP, OAuth 2.0).
Strong hands-on experience building and operating SIP gateways and SIP-to-AI voice system architectures including audio transcoding and call state management.
Proven ability to integrate telephony infrastructures with modern AI conversational platforms and cloud scaling technologies using infrastructure-as-code and container orchestration.
Operating within complex enterprise environments managing secure, redundant voice communication systems with exposure to CTI and database-driven reporting.