Senior VoIP Reliability Architect

Insight Global; Newton (NJ); On-site; USD 125,000 - 200,000; Full time

Job summary

Insight Global is seeking a senior VoIP expert to own the reliability, scalability, and operational excellence of a carrier-grade voice platform. You will collaborate with development teams to ensure systems are resilient and highly available, capable of handling production traffic at scale.

The ideal candidate has led outages, strong SIP routing knowledge, and hands-on experience with Asterisk/OpenSIPS/Kamailio, Twilio, and observability tools.

Qualifications

• 7+ years of hands-on VoIP engineering or operations experience.
• Deep expertise with SIP routing and carrier-grade voice environments.
• Strong experience with Asterisk, OpenSIPS, and/or Kamailio.
• Experience supporting high-availability production systems.
• Proven track record resolving critical outages and reliability issues.
• Twilio experience.
• SBC, voice routing, and carrier interconnect experience.
• Homer/HEP, Wireshark, or SIP troubleshooting tools.
• Prometheus, Grafana, or observability platforms.
• Linux administration and automation scripting.
• Telecom startup or hosted voice provider experience.
• Experience leading on-call operations and incident response.

Responsibilities

• Own reliability and uptime of VoIP infrastructure.
• Lead architecture reviews focused on scalability and fault tolerance.
• Troubleshoot complex SIP and voice-networking issues.
• Build monitoring, observability, and operational best practices.
• Create disaster recovery and failover strategies.
• Mentor technical teams on VoIP operations and reliability engineering.

Skills

VoIP engineering

SIP routing

Asterisk

OpenSIPS

Kamailio

High availability

Observability

Incident response

Linux scripting

Twilio

SBC interconnect

Tools

Prometheus

Grafana

Wireshark

Homer/HEP

SIP tools

Job description

Insight Global is seeking a senior VoIP expert to own the reliability, scalability, and operational excellence of a carrier-grade voice platform. You will collaborate with development teams to ensure systems are resilient and highly available, capable of handling production traffic at scale.

The ideal candidate has led outages, strong SIP routing knowledge, and hands-on experience with Asterisk/OpenSIPS/Kamailio, Twilio, and observability tools.