Voice Engineer

Base pay range

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Provided by X4 Technology. Your actual pay will be based on your skills and experience—talk with your recruiter to learn more.

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Location: London Area, United Kingdom

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Responsibilities

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• Monitor and analyze performance metrics across Zoom Phone, CXOne, and Cisco CUCM to ensure voice quality and operational efficiency
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• Use SIP trace analysis and diagnostic tools to troubleshoot call flow, latency, jitter, and dropped calls
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• Configure and maintain voice services including call routing, IVRs, queues, and user provisioning
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• Manage ticketing workflows in ServiceNow for incident tracking, resolution, and change management
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• Collaborate with IT, network engineering, and customer support teams for platform integrations and escalations
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Qualifications

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Voice Engineer – Required Experience

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• Zoom Phone (admin portal and analytics)
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• CXOne (reporting, IVR scripting, and workforce optimization tools)
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• Cisco CUCM (configurations, call manager traces, and SIP trunking)
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• ServiceNow (ticketing, workflow automation, and asset management)
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• Solid understanding of telephony protocols (SIP, RTP, QoS), and voice architecture in cloud and hybrid environments
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Interviews

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August 2025

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Start date

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September 2025

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How to Apply

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Apply to Gary Hargreaves at X4 Technology to learn more about the role or connect with me on LinkedIn to hear about regular job updates available with X4 Technology

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Seniority level

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• Mid-Senior level
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Employment type

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• Contract
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Job function

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• Information Technology
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Industries

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• IT Services and IT Consulting
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