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HCL Technologies Limited

Singapore / Global

Voice Network Engineer - L3

Job Description

Experience

7-11 Years

Role Summary

Provide Level 3 support for enterprise AVVC platforms, including Zoom Rooms, Cisco Collaboration, Microsoft Teams Rooms, Poly systems, Q-SYS, Crestron, and Extron technologies. Responsible for complex troubleshooting, major incident management, RCA, solution design, platform upgrades, integrations, lifecycle management, and driving service improvements across large-scale meeting room environments. Lead technical escalations and mentor L1/L2 support engineers.

Key Responsibilities

Act as SME for Zoom, Cisco, Poly, Crestron, Extron, and Q-SYS platforms.

Lead technical escalations and major incident management.

Design, implement, and optimize AVVC solutions and meeting room standards.

Perform upgrades, migrations, lifecycle management, and capacity planning.

Troubleshoot complex interoperability, codec, DSP, and network issues.

Drive RCA, operational excellence, and technology roadmaps.

Mentor L1/L2 engineers and provide technical governance.

Work on Zoom workflow automations and API setup.

Work on INC and timely closure.

Primary Required Skills

Expert administration of Zoom & Cisco Video conferencing infrastructure

Poly Studio X52, X72, G7500, G62

Cisco Collaboration (CUCM, Expressway, Webex, Rooms)

Microsoft Teams Rooms

Q-SYS Core & Designer Platform

Crestron Programming & AV Control Systems

Extron AV Switching & Control

Audio DSP Technologies (Q-SYS, Biamp, Shure, Sennheiser)

SIP, H.323, RTP and Video Conferencing Protocols

AV Architecture & System Integration

Network Troubleshooting, QoS & Media Optimization

RCA, Problem Management & Service Improvement

OEM/Vendor Escalation Management

PowerShell or Python, or Shell Scripting to automate operational tasks

Review & updates the operations documents.

Secondary Skills

IP Telephony.

Automation Skills

Automation skills to automate the workflow Zoom and Cisco VC infrastructure. Scripting skills using PowerShell or Python, or Shell Scripting to automate operational and administrative tasks.

Support coverage: 24X7

Participate in shift-based support, on-call rotations, and major incident management activities to meet SLA commitments.

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