Cisco Unified Communications Engineer (On-Site)

HCL Technologies Limited; 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 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.