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# Telephony Engineer Microsoft Teams Direct Routing / Azure Communication Services

- **Company:** The Apex
- **Location:** Harrisburg, PA, United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Azure, Codecs, Microsoft Dynamics, Routing
- **Published:** October 7, 2026
- **Apply:** https://www.dice.com/job-detail/42bd5cbf-b23f-4151-b943-a69bd09735b9

## About the Role

* We are seeking an experienced Enterprise Telephony Engineer to design, configure, test, and support the telephony infrastructure supporting a Microsoft Dynamics 365 Contact Center implementation. The engineer will have strong experience with Microsoft Teams Direct Routing, Session Border Controllers (SBCs), SIP, carrier integrations, toll-free services, and contact-center voice routing. Experience supporting high-volume public-facing contact centers, particularly in tolling, transportation, utilities, government, or financial services, is highly desirable., * 5+ years of enterprise voice, unified communications, or contact-center telephony experience.
 * Hands-on experience implementing Microsoft Teams Direct Routing.
 * Strong working knowledge of SIP, RTP, codecs, DTMF, TLS, and enterprise voice routing.
 * Hands-on experience configuring and troubleshooting enterprise SBCs.
 * Experience working with telecom carriers and SIP trunk providers.
 * Experience troubleshooting complex call-routing and media issues using SBC logs and SIP/network tracing tools.
 * Experience supporting production contact centers where voice availability is business critical.