Administrator - Cisco Unified Communications

HCL Technologies Limited; Dadri; On-site; INR 750,000 - 1,200,000; Full time

Job summary

HCL Technologies Limited in Noida, Uttar Pradesh, is seeking an Administrator for Cisco Unified Communications with emphasis on Zoom Meetings and Zoom Phone. The role involves troubleshooting call quality, provisioning users, and coordinating with network teams to resolve connectivity and security issues.

Responsibilities include incident triage, root cause analysis, knowledge management, and ensuring timely resolution of tickets within SLAs.

Qualifications

• Minimum 4+ years of UC experience in enterprise environments.
• Hands-on experience with Zoom Meetings and Zoom Phone.
• Solid understanding of SIP/RTP and voice networking fundamentals.
• Strong troubleshooting and incident management skills.

Responsibilities

• Provide technical support for on-premise Cisco Collaboration systems and Zoom services.
• Perform root cause analysis and implement corrective actions to improve reliability.
• Update knowledge base and train new analysts.
• Resolve tickets within SLAs and ensure timely issue resolution.
• Coordinate with network/security teams on firewall, TLS/SRTP, and connectivity issues.

Skills

Zoom Meetings

Zoom Phone

Troubleshooting

SIP/RTP basics

Job description

Administrator - Cisco Unified Communications Administrator - Cisco Unified Communications India Administrator - Cisco Unified Communications Noida, Uttar Pradesh

Job Summary

Key Responsibilities Support for Zoom Meetings and Zoom Phone in an enterprise environment. Troubleshoot issues related to meeting join failures, audio/video quality, disconnects, client issues, device compatibility, and network/QoS impacts. Support Zoom Phone calling features (as applicable): number assignment, call routing, call queues, auto receptionist/IVR, user provisioning. Handle SIP calling issues impacting Zoom Phone (in coordination with SBC/Carrier teams as needed). Work on Incident/Problem/Change tickets; provide RCA for recurring issues and drive preventive actions. Coordinate with network/security teams on firewall/NAT, TLS/SRTP, and connectivity issues.

Key Responsibilities

• 1. Provide Technical Support And Guidance By Diagnosing And Resolving Issues Related To On-Premise Cisco Collaboration Systems, Ensuring Adherence To Quality Standards And Regulatory Requirements.
• 2. Conduct Root Cause Analysis For Escalated On-Call Incidents, Implementing Corrective Actions To Prevent Future Occurrences And Enhance System Reliability.
• 3. Contribute To Knowledge Management By Updating And Managing The Knowledge Base, Facilitating Knowledge Sharing Sessions, And Training New Analysts To Improve Team Competency.
• 4. Independently Resolve Support Tickets Within Agreed Service Level Agreements (Slas), Ensuring Timely And Efficient Handling Of Ticket Volume And Complexity.
• 5. Enhance Customer Satisfaction By Achieving High Rates Of First Call Resolution And Minimizing Case Reopens, Fostering A Positive Customer Experience.

Skill Requirements

Hands-on support experience on Zoom Meetings and Zoom Phone. Strong troubleshooting skills around call quality (latency/jitter/packet loss), client diagnostics, and connectivity. Understanding of SIP/RTP basics and enterprise voice fundamentals.

Other Requirements

4+ years overall (with strong UC experience)

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 230,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending September2026totaled $14.8billion.