Telephony Engineer

This is a fully remote position, open to applicants in United States, +8 more locations.

📋 Description

• Oversee and collaborate with clients on intricate SIP integrations with CCaaS/CPaaS platforms like NiCE, Five9, Avaya, Genesys, Amazon Connect, Twilio, and Telnyx.

• Propel future integrations of telephony platforms.

• Analyze and troubleshoot call failures utilizing PCAP analysis, SIP traces, and carrier logs.

• Enhance telephony reliability, call quality, and overall customer experience.

• Serve as the main technical contact for enterprise clients following onboarding.

• Convert customer technical insights and challenges into actionable product enhancements for development teams.

⛳️ Requirements

• Over 5 years of experience as a Telephony Engineer, VoIP Engineer, or in a similar low-latency networking role.

• Extensive knowledge of the SIP Protocol (RFC 3261).

• Expertise in RTP and voice quality troubleshooting using PCAPs and trace tools like Wireshark/TShark.

• Solid understanding of networking fundamentals, including TCP/IP/TLS, DNS, and firewalls.

• Familiarity with contemporary CPaaS/cloud communication platforms such as Twilio, Plivo, and Telnyx.

• Proficiency in writing or modifying basic scripts in Python, Bash, or JavaScript.

• Capability to guide high-profile clients through complex configurations and convey technical issues effectively.

• Knowledge of Asterisk, FreeSWITCH, Kamailio, or other relevant SIP proxy/SIP servers is advantageous.

• Must be willing to work overlapping hours with the Pacific Time team and clients.

• Work authorization in the United States is preferred; Retell AI provides assistance with visa sponsorship.

🏝️ Benefits

• Assistance with visa sponsorship.

• Relocation support for positions based in the San Francisco area.