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Contact Center Systems Engineer - FreeSWITCH, SIP debugging tooling

Falcon Smart IT

Elk Grove, CA • 9/19/2026

Job Description

Job Description

The Client operates an internal contact center platform supporting its own helpdesk and employee support organizations. The helpdesk runs continuously and the platform serves users worldwide.
The Client is seeking a contracted Contact Center Systems Engineer to support and maintain the incumbent commercial platform while contributing to the implementation of a successor platform built on open-source telephony components. The resource joins a small distributed engineering group and coordinates with Client engineers in other regions.

Job Description :

Hands-on experience with FreeSWITCH, Kamailio, OpenSIPS, Asterisk, or comparable open-source telephony components
Prior participation in a contact center platform migration or replacement
SIP debugging tooling: sngrep, sipgrep, Wireshark, HOMER
Infrastructure as Code: Terraform, Ansible, or comparable
Monitoring and observability tooling: Splunk, Grafana, Prometheus, Datadog