Remote Telephony Engineer – AI Voice Infrastructure

AI Chopping Block; Northern (KY); Hybrid; USD 67,000 - 84,000; Full time

Job summary

Retell AI is seeking a Telephony Engineer to own the telephony integrations, act as the first line of defense for enterprise support, and drive seamless post-onboarding experiences. Your work will impact call quality, reliability, and overall customer satisfaction.

You'll troubleshoot SIP/RTP, review PCAPs and logs, and translate technical feedback into actionable product improvements. This remote role offers monthly compensation of $6000–$7500 USD, with some overlapping hours for the Pacific

Qualifications

• 5+ years as a Telephony Engineer, VoIP Engineer, or equivalent low-latency networking role.
• Deep understanding of the SIP Protocol (RFC 3261) and RTP with PCAPs and trace tools like Wireshark/TShark.
• Strong Networking fundamentals (TCP/IP/TLS, DNS, Firewalls).
• Familiarity with modern CPaaS/cloud platforms (e.g., Twilio, Plivo, Telnyx).
• Ability to write or modify basic scripts (e.g., Python, Bash, JavaScript) for automating troubleshooting.
• Excellent ability to guide premium clients through complex setups and communicate technical issues clearly.
• Familiarity with Asterisk/FreeSWITCH/Kamailio or SIP proxy servers is a plus.

Responsibilities

• Integration Ownership: Manage and collaborate with customers to support complex SIP integrations with CCaaS/CPaaS platforms like NiCE, Five9, Avaya, Genesys, Amazon Connect, Twilio, and Telnyx, while driving future platform integrations.
• Advanced Troubleshooting: Investigate and debug call failures via PCAP analysis, SIP traces, and carrier logs to improve reliability.
• Enterprise Support Frontline: Act as the primary technical point of contact for enterprise clients post-onboarding.
• Product Advocacy: Translate customer technical feedback and friction points into actionable product improvements for our development teams.

Skills

Telephony engineering

SIP protocol (RFC 3261)

RTP debugging

CPaaS/cloud platforms

Scripting (Python/Bash/JS)

Networking fundamentals

Customer communication

Asterisk/FreeSWITCH/Kamailio knowledge

Tools

Wireshark

Job description

Retell AI is seeking a Telephony Engineer to own the telephony integrations, act as the first line of defense for enterprise support, and drive seamless post-onboarding experiences. Your work will impact call quality, reliability, and overall customer satisfaction.

You'll troubleshoot SIP/RTP, review PCAPs and logs, and translate technical feedback into actionable product improvements. This remote role offers monthly compensation of $6000–$7500 USD, with some overlapping hours for the Pacific