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Raas Infotek

Zoom Telephony Architect

Raas Infotek, Phoenix, Arizona, United States, 85003

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Technical Recruiter Delivering top talents for Direct/State clients Location:

Phoenix, AZ (Onsite)

Contract

Job Description:

Key Responsibilities

Lead end-to-end Cisco UC to Zoom migration projects, including assessment, design, planning, and execution

Analyze existing Cisco UC infrastructure (CUCM, Unity Connection, IM & Presence, Expressway, CUBE) and define migration strategies

Design hybrid/coexistence architectures to support phased migrations

Migrate users, numbers, dial plans, call flows, voicemail, and auto-attendants from Cisco to Zoom

Configure and administer Zoom Phone, Zoom Meetings, and Zoom Rooms

Integrate Zoom with existing enterprise systems (AD, SSO, SIP trunks, PSTN providers)

Execute number porting, SIP trunk migrations, and PSTN cutovers

Perform detailed testing, validation, and user acceptance before cutover

Troubleshoot complex voice, video, and signaling issues during migration

Develop migration runbooks, rollback plans, and technical documentation

Provide post-migration optimization and stabilization support

Required Skills & Experience

5–10 years of experience in Unified Communications / Collaboration engineering

Strong hands‑on expertise in Cisco UC including: CUCM, Unity Connection, IM & Presence, Cisco CUBE and SIP normalization

Proven experience migrating Cisco UC environments to Zoom Phone

Strong understanding of SIP, RTP, codecs, call flows, and dial plans

Experience with enterprise PSTN connectivity, number porting, and carrier coordination

Strong hands‑on experience with Zoom UC platforms, especially Zoom Phone

Solid understanding of VoIP fundamentals (SIP, RTP, codecs, call flows)

Solid networking knowledge (QoS, VLANs, firewalls, NAT, SBCs)

Seniority level:

Mid-Senior level

Employment type:

Contract

Job function:

Information Technology

Industries:

IT Services and IT Consulting

Thanks

Prashant Bansal

Raas Infotek Corporation

262 Chapman Road, Suite 105A, Newark, DE-19702

Phone: 302-565-0188 Ext: 144

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