# Telephony Engineer

**Company:** [Retell AI](https://hotfix.jobs/companies/retell-ai)
**Location:** Remote
**Role:** Support Engineering
**Salary:** $72k – $90k/yr
**Experience:** 5+ years
**Skills:** Sip, Rtp, Pcap Analysis, Wireshark, Tshark, TCP/IP, Tls, DNS, Firewalls, Twilio, Plivo, Telnyx, Python, Bash, JavaScript
**Posted:** 2026-08-26

> Own complex telephony integrations and enterprise technical support, debugging SIP/RTP call issues and improving reliability. Requires 5+ years of telephony or low-latency networking experience, strong networking fundamentals, and scripting ability.

## Job Description

## Responsibilities
- Own technical success for telephony integrations and collaborate with customers on complex SIP integrations with CCaaS/CPaaS platforms, including NICE, Five9, Avaya, Genesys, Amazon Connect, Twilio, and Telnyx.
- Drive future platform integrations and seamless post-onboarding experiences.
- Investigate and debug call failures using PCAP analysis, SIP traces, and carrier logs to improve reliability.
- Serve as the primary technical contact for enterprise clients after onboarding.
- Translate customer feedback and technical friction points into actionable product improvements.

## Requirements
- 5+ years of experience as a Telephony Engineer, VoIP Engineer, or in an equivalent low-latency networking role.
- Deep understanding of SIP, including RFC 3261, and RTP media troubleshooting.
- Experience diagnosing voice-quality issues with PCAPs and trace tools such as Wireshark or TShark.
- Strong networking fundamentals, including TCP/IP, TLS, DNS, and firewalls.
- Familiarity with modern CPaaS or cloud communications platforms such as Twilio, Plivo, or Telnyx.
- Ability to write or modify basic Python, Bash, or JavaScript scripts to automate troubleshooting.
- Excellent client communication skills and ability to guide premium clients through complex technical setups.

## Nice-to-haves
- Familiarity with Asterisk, FreeSWITCH, Kamailio, or other SIP proxies or SIP servers.

## Compensation and Benefits
- Compensation: $6,000–$7,500 USD per month, based on experience.
- Full-time or part-time 1099 contractor engagement.
- Must be available for some overlapping hours with the Pacific Time team and customers.

## Similar jobs

- [Technical Support Engineer](https://hotfix.jobs/jobs/a4e5f7f6-852e-4ce2-94d4-f6d9280a8791) - ConductorOne - Remote - $120k – $140k/yr
- [Manager, Solutions Support Engineering](https://hotfix.jobs/jobs/f534474e-5ce1-4dda-9a9c-fca5eff64288) - Wiz - Remote
- [Technical Services Engineer](https://hotfix.jobs/jobs/d708ae7b-5fbc-4a83-89d5-04543508c7ff) - MongoDB - Gurugram, India
- [Customer Support Engineer](https://hotfix.jobs/jobs/bfab0fd9-d5d8-44f4-a3aa-b9fae7f70cf2) - PlanetScale - Remote
- [Network Engineer](https://hotfix.jobs/jobs/b66481e6-bb82-4182-a119-577402978082) - CommandLink - Remote

**Apply:** https://hotfix.jobs/jobs/88b1e5f6-6a7e-40a3-ba32-3610d4513a23
**Canonical:** https://hotfix.jobs/jobs/88b1e5f6-6a7e-40a3-ba32-3610d4513a23