3 days ago
Base Salary
$200k - $300k/yr
Responsibilities
- Complete the Asterisk migration, including customer, trunk, and call-flow cutovers and retirement of the legacy path.
- Own reliability for voice audio and dialing layers through SLOs, monitoring, incident response, and recurring-failure elimination.
- Build zero-downtime deployments, graceful shutdowns, safe rollouts, rollback procedures, backpressure, load shedding, and self-recovery for stateful call services.
- Develop Kamailio and Asterisk reconfiguration tools that operate within Kubernetes without server restarts.
- Create load tests and capacity plans for thousands of concurrent calls and calls per second at the SIP edge.
- Implement voice observability, including call-quality metrics, platform-health metrics, alerting, runbooks, and postmortems.
- Secure the voice edge against scanning, toll fraud, and abuse.
- Build customer telephony integrations involving SIP trunks, transfers, SIP headers, and contact-center APIs.
- Productize trunk configuration, validation tooling, and documentation for self-serve customer setup.
Requirements
- Production experience running voice infrastructure at meaningful scale and participating in on-call support.
- Deep expertise in SIP, SDP, and RTP, including debugging with traces and packet captures.
- Ability to debug EC2 and Kubernetes networking issues that cause dead air and create monitoring and testing plans to prevent them.
- Understanding of real-time media, WebRTC, latency budgets, backpressure, graceful degradation, and safe deployment of stateful services.
- Experience building load tests that identify production bottlenecks before customer impact.
- Ability to write clear design documents, runbooks, and postmortems.
- Experience integrating SIP trunks with customer contact centers and carriers, including transfers and SIP header passing.
- Preferred experience with Kamailio, Asterisk, OpenSIPS, FreeSWITCH, or rtpengine.
- Preferred experience with regional SIP failover, latency-aware multi-homing, contact-center, dialer, CPaaS, carrier infrastructure, AI voice agents, speech pipelines, or regulated industries.
- Preferred experience with Genesys, Five9, NICE, or Amazon Connect.
Benefits
- Medical, dental, and vision coverage for full-time employees.
- Generous 401(k).
- Catered lunches.
- Work is based in San Francisco with four days per week collaborating in person.
- The team typically works around 60 hours per week beginning at 8:00 AM.
Tech Stack
Categories
About Salient
Salient builds compliance-first AI agents that automate loan-servicing workflows for US consumer lenders, including collections, customer support, QA/compliance reviews, disputes, and total-loss mitigation. The platform integrates with existing banking and servicing systems and handles borrower communications across voice, text, and email. Founded in 2023 and based in San Francisco, the privately held company sells to banks, credit unions, auto lenders, and fintechs.