Cisco Voice Administrator

HCLTech; Región Centro; On-site; MXN 480,000 - 720,000; Full time

Job summary

HCLTech in Guadalajara seeks an experienced Cisco Voice Administrator to manage on-premises Cisco Unified Communications environments and ensure reliable voice services across the organization.

The role emphasizes CUCM administration, voice transport, SIP/VoIP support, and ongoing collaboration with network and IT teams to maintain high availability. On-site work from day one is required.

Qualifications

• Experience with Cisco Unified Communications (CUCM) administration.
• Solid understanding of Network Voice Transport technologies.
• Experience in enterprise telephony environments and issue troubleshooting.

Responsibilities

• Administer, maintain, and support Cisco Voice and Unified Communications platforms.
• Monitor and troubleshoot voice infrastructure, call routing, and voice gateway issues.
• Manage Cisco Unified Communications Manager (CUCM) environments.
• Support SIP, VoIP, PSTN connectivity, and voice transport services.
• Perform system upgrades, patches, and configuration changes.
• Diagnose and resolve voice quality, latency, and connectivity issues.
• Collaborate with network, infrastructure, and operations teams to ensure service stability.
• Provide technical support for voice-related incidents and service requests.
• Participate in on-call support and occasional weekend activities when required.
• Create and maintain technical documentation and operational procedures.

Skills

Cisco Unified Communications

Network Voice Transport

VoIP

SIP

H.323

Cisco Voice Gateways

Call Routing

Unified Communications infra

Troubleshooting voice

Enterprise telephony

Job description

HCLTech is a global technology company, home to more than 223,000 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 September 2024 totaled $13.7 billion

Position: Cisco Voice Administrator

Work Model: 100% On-site from Day 1

We are seeking an experienced Cisco Voice Administrator to join our team in Guadalajara. The ideal candidate will have strong expertise in Network Voice Transport and hands-on experience managing and supporting Cisco Unified Communications environments in on-premises infrastructures.

This role is responsible for the administration, maintenance, troubleshooting, and optimization of enterprise voice solutions, ensuring high availability and seamless communication services across the organization.

Key Responsibilities

• Administer, maintain, and support Cisco Voice and Unified Communications platforms.
• Monitor and troubleshoot voice infrastructure, call routing, and voice gateway issues.
• Manage Cisco Unified Communications Manager (CUCM) environments.
• Support SIP, VoIP, PSTN connectivity, and voice transport services.
• Perform system upgrades, patches, and configuration changes.
• Diagnose and resolve voice quality, latency, and connectivity issues.
• Collaborate with network, infrastructure, and operations teams to ensure service stability.
• Provide technical support for voice-related incidents and service requests.
• Participate in on-call support and occasional weekend activities when required.
• Create and maintain technical documentation and operational procedures.

Required Skills & Qualifications

• Strong experience with Cisco Unified Communications (CUCM) administration.
• Solid understanding of Network Voice Transport technologies.
• Knowledge of:
• VoIP
• SIP
• H.323
• Cisco Voice Gateways
• Call Routing and Dial Plans
• Unified Communications infrastructure
• Experience troubleshooting voice and network-related issues.
• Knowledge of enterprise telephony environments and best practices.
• Excellent analytical and problem-solving skills.
• Strong communication and teamwork abilities.

Preferred Qualifications

• Cisco certifications such as:
• Other Cisco Voice/Collaboration certifications
• Experience working in a managed services or global support environment.