Senior Voice Integration Engineer

Senior Voice Integration Engineer Cisco Webex / SIP (Contract)

Openings: 23 positions

Experience: 710 years

Contract Duration: 23 months (with possible extension)

Location: Remote / Hybrid / On-site (flexible)

About the Role

We're looking for experienced Voice / Telephony Integration Engineers to help enhance

the Aisera Voice offering with advanced Cisco Webex and contact center capabilities.

You'll work on real-time voice systems, SIP signaling, and integration with call center

workflowsadding features, ensuring compatibility, and improving performance.

Key Responsibilities

Implement Cisco Webex Voice features:

Transfer callback with call history

IVR channel configuration compatibility

Silero VAD compatibility with MULAW audio

Automate BYOVA datasource management

Add DTMF support

Retrieve integration info from tenant-server (not direct DB)

Implement health check / status monitoring

Integrate with SIP / AudioCodes / call center workflows

Understand existing Aisera codebase and rapidly build features

Collaborate with small cross-functional team (23 engineers)

Required Skills & Experience

710 years in Voice / Telephony / UC / Contact Center engineering

Strong knowledge of SIP, RTP, DTMF, codecs (MULAW, G.711)

Hands-on experience with Cisco Webex Voice / Contact Center

Familiarity with AudioCodes, IVR, call routing, and callback workflows

Putting a thinking cap on sales

Strong debugging, troubleshooting, and integration skills

Programming / scripting (Python, Java, or similar)

Able to understand and extend existing codebases

Good to Have

Exposure to Silero VAD, BYOVA, or Voice Analytics systems

Experience with CPaaS / Voice-as-a-Service platforms

Cisco voice certifications