Cisco Voice Engineer - Microsoft Teams Migration

Job in Columbus, Franklin County, Ohio, 43222, USA

Listing for: AceStack

Full Time position
Listed on 2026-06-01

Job specializations:

Engineering
Systems Engineer, IT Specialist, Telecoms Engineering

Job Title: Cisco Voice Engineer - Microsoft Teams Migration
Location - Columbus, OH (Onsite)
Contract

Role: Cisco Voice Engineer / UC Engineer
Project: Cisco Unified Communications Migration to Microsoft Teams

Job Responsibilities

Designed, implemented, and supported enterprise Cisco Unified Communications (CUCM, CUC, IM&P, UCCX) voice infrastructure.
Led end-to-end migration from Cisco VoIP to Microsoft Teams Phone System using Direct Routing / Operator Connect.
Integrated Session Border Controllers (Audio Codes / Ribbon / Oracle SBC) for Teams voice routing and PSTN connectivity.
Configured Teams Calling Plans, Auto Attendants, Call Queues, Dial Plans, Voice Routing Policies
, and Number Porting.
Performed number migration, DID mapping, call flow testing, and cutover planning to ensure zero downtime.
Decommissioned legacy Cisco voice components after successful migration.
Implemented hybrid voice architecture during phased migration.
Conducted voice quality optimization, monitoring, and troubleshooting (QoS, jitter, latency, packet loss).
Managed user onboarding, device provisioning (Teams phones, headsets) and training sessions.
Worked closely with network, security, Microsoft O365, and telecom vendors
.
Provided L2/L3 production support and incident resolution.
Created migration documentation, network diagrams, and SOPs.

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