Senior Administrator - Cisco Unified Communications
India
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Job Description
Senior Administrator - Cisco Unified Communications
Sholinganallur, Tamil Nadu

Job Summary

Network Voice Engineer – L2/L3 Role: Network Voice Engineer – L2/L3 Experience Required: 5 to 10 years Role Summary: We are looking for an experienced Network Voice Engineer with strong hands-on expertise in Cisco Unified Communications technologies. The candidate will be responsible for designing, implementing, configuring, supporting, and troubleshooting enterprise voice infrastructure across multi-location environments. Key Responsibilities • Design, install, implement, and support Cisco Unified Communications solutions including CUCM, CUPS, UCCX, Unity Connection, and Unity Express. • Configure user phone features, IP phone customization, firmware upgrades, DHCP, and Network Time Protocol within the cluster. • Perform CUCM backup and restore activities and use Bulk Administration Tool for large-scale administration tasks. • Configure and manage H.323, SIP, and MGCP voice gateways for enterprise voice environments. • Implement end-to-end Unified Communications infrastructure for centralized multi-location clusters. • Configure VoIP and POTS dial peers, translation rules, route patterns, route lists, route groups, hunt pilots, hunt lists, transformation patterns, COR lists, globalization, and localization. • Design, test, and implement full and fractional ISDN T1/E1 circuits, FXO, and FXS interfaces. • Configure SIP trunks, H.225 trunks, SRST, BACD, location-based CAC, RSVP-based Call Admission Control, AAR, and CFUR. • Design and configure media resources such as conference bridges, transcoders, MTP, and Music on Hold. • Configure Ad-hoc, Meet-me conferencing, Device Mobility, Extension Mobility, and Unified Mobility features. • Integrate Unity Connection, Unity Express, UCCX, and CUPS with CUCM. • Configure and implement softphones and desk phones with CUPS. • Configure IP phone services including IPPM, Single Button Agent Login, and VoiceView Express. • Troubleshoot CUCM, CME, voice gateways, call routing, Unity Connection, Unity Express, UCCX, and CUPS-related issues. • Use CDR, DNA, and RTMT tools for monitoring, analysis, and troubleshooting. • Configure IOS DHCP, VLAN, Voice VLAN, 802.1Q trunks, STP, and Frame Relay connections. Required Skills and Knowledge • Strong hands-on experience in Cisco Unified Communications technologies. • Good understanding of CUCM, CME, UCCX, CUPS, Unity Connection, Unity Express, and voice gateway technologies. • Experience in enterprise voice design, deployment, migration, and support activities. • Strong troubleshooting skills across voice infrastructure, call routing, gateways, and collaboration platforms. • Basic knowledge of IVR scripting and auto attendant configuration using UCCX. • Basic networking knowledge including OSPF, EIGRP, and RIP.

Key Responsibilities

Network Voice Engineer – L2/L3 Role: Network Voice Engineer – L2/L3 Experience Required: 5 to 10 years Role Summary: We are looking for an experienced Network Voice Engineer with strong hands-on expertise in Cisco Unified Communications technologies. The candidate will be responsible for designing, implementing, configuring, supporting, and troubleshooting enterprise voice infrastructure across multi-location environments. Key Responsibilities • Design, install, implement, and support Cisco Unified Communications solutions including CUCM, CUPS, UCCX, Unity Connection, and Unity Express. • Configure user phone features, IP phone customization, firmware upgrades, DHCP, and Network Time Protocol within the cluster. • Perform CUCM backup and restore activities and use Bulk Administration Tool for large-scale administration tasks. • Configure and manage H.323, SIP, and MGCP voice gateways for enterprise voice environments. • Implement end-to-end Unified Communications infrastructure for centralized multi-location clusters. • Configure VoIP and POTS dial peers, translation rules, route patterns, route lists, route groups, hunt pilots, hunt lists, transformation patterns, COR lists, globalization, and localization. • Design, test, and implement full and fractional ISDN T1/E1 circuits, FXO, and FXS interfaces. • Configure SIP trunks, H.225 trunks, SRST, BACD, location-based CAC, RSVP-based Call Admission Control, AAR, and CFUR. • Design and configure media resources such as conference bridges, transcoders, MTP, and Music on Hold. • Configure Ad-hoc, Meet-me conferencing, Device Mobility, Extension Mobility, and Unified Mobility features. • Integrate Unity Connection, Unity Express, UCCX, and CUPS with CUCM. • Configure and implement softphones and desk phones with CUPS. • Configure IP phone services including IPPM, Single Button Agent Login, and VoiceView Express. • Troubleshoot CUCM, CME, voice gateways, call routing, Unity Connection, Unity Express, UCCX, and CUPS-related issues. • Use CDR, DNA, and RTMT tools for monitoring, analysis, and troubleshooting. • Configure IOS DHCP, VLAN, Voice VLAN, 802.1Q trunks, STP, and Frame Relay connections. Required Skills and Knowledge • Strong hands-on experience in Cisco Unified Communications technologies. • Good understanding of CUCM, CME, UCCX, CUPS, Unity Connection, Unity Express, and voice gateway technologies. • Experience in enterprise voice design, deployment, migration, and support activities. • Strong troubleshooting skills across voice infrastructure, call routing, gateways, and collaboration platforms. • Basic knowledge of IVR scripting and auto attendant configuration using UCCX. • Basic networking knowledge including OSPF, EIGRP, and RIP.

Skill Requirements

Network Voice Engineer – L2/L3 Role: Network Voice Engineer – L2/L3 Experience Required: 5 to 10 years Role Summary: We are looking for an experienced Network Voice Engineer with strong hands-on expertise in Cisco Unified Communications technologies. The candidate will be responsible for designing, implementing, configuring, supporting, and troubleshooting enterprise voice infrastructure across multi-location environments. Key Responsibilities • Design, install, implement, and support Cisco Unified Communications solutions including CUCM, CUPS, UCCX, Unity Connection, and Unity Express. • Configure user phone features, IP phone customization, firmware upgrades, DHCP, and Network Time Protocol within the cluster. • Perform CUCM backup and restore activities and use Bulk Administration Tool for large-scale administration tasks. • Configure and manage H.323, SIP, and MGCP voice gateways for enterprise voice environments. • Implement end-to-end Unified Communications infrastructure for centralized multi-location clusters. • Configure VoIP and POTS dial peers, translation rules, route patterns, route lists, route groups, hunt pilots, hunt lists, transformation patterns, COR lists, globalization, and localization. • Design, test, and implement full and fractional ISDN T1/E1 circuits, FXO, and FXS interfaces. • Configure SIP trunks, H.225 trunks, SRST, BACD, location-based CAC, RSVP-based Call Admission Control, AAR, and CFUR. • Design and configure media resources such as conference bridges, transcoders, MTP, and Music on Hold. • Configure Ad-hoc, Meet-me conferencing, Device Mobility, Extension Mobility, and Unified Mobility features. • Integrate Unity Connection, Unity Express, UCCX, and CUPS with CUCM. • Configure and implement softphones and desk phones with CUPS. • Configure IP phone services including IPPM, Single Button Agent Login, and VoiceView Express. • Troubleshoot CUCM, CME, voice gateways, call routing, Unity Connection, Unity Express, UCCX, and CUPS-related issues. • Use CDR, DNA, and RTMT tools for monitoring, analysis, and troubleshooting. • Configure IOS DHCP, VLAN, Voice VLAN, 802.1Q trunks, STP, and Frame Relay connections. Required Skills and Knowledge • Strong hands-on experience in Cisco Unified Communications technologies. • Good understanding of CUCM, CME, UCCX, CUPS, Unity Connection, Unity Express, and voice gateway technologies. • Experience in enterprise voice design, deployment, migration, and support activities. • Strong troubleshooting skills across voice infrastructure, call routing, gateways, and collaboration platforms. • Basic knowledge of IVR scripting and auto attendant configuration using UCCX. • Basic networking knowledge including OSPF, EIGRP, and RIP.

Other Requirements

Network Voice Engineer – L2/L3 Role: Network Voice Engineer – L2/L3 Experience Required: 5 to 10 years Role Summary: We are looking for an experienced Network Voice Engineer with strong hands-on expertise in Cisco Unified Communications technologies. The candidate will be responsible for designing, implementing, configuring, supporting, and troubleshooting enterprise voice infrastructure across multi-location environments. Key Responsibilities • Design, install, implement, and support Cisco Unified Communications solutions including CUCM, CUPS, UCCX, Unity Connection, and Unity Express. • Configure user phone features, IP phone customization, firmware upgrades, DHCP, and Network Time Protocol within the cluster. • Perform CUCM backup and restore activities and use Bulk Administration Tool for large-scale administration tasks. • Configure and manage H.323, SIP, and MGCP voice gateways for enterprise voice environments. • Implement end-to-end Unified Communications infrastructure for centralized multi-location clusters. • Configure VoIP and POTS dial peers, translation rules, route patterns, route lists, route groups, hunt pilots, hunt lists, transformation patterns, COR lists, globalization, and localization. • Design, test, and implement full and fractional ISDN T1/E1 circuits, FXO, and FXS interfaces. • Configure SIP trunks, H.225 trunks, SRST, BACD, location-based CAC, RSVP-based Call Admission Control, AAR, and CFUR. • Design and configure media resources such as conference bridges, transcoders, MTP, and Music on Hold. • Configure Ad-hoc, Meet-me conferencing, Device Mobility, Extension Mobility, and Unified Mobility features. • Integrate Unity Connection, Unity Express, UCCX, and CUPS with CUCM. • Configure and implement softphones and desk phones with CUPS. • Configure IP phone services including IPPM, Single Button Agent Login, and VoiceView Express. • Troubleshoot CUCM, CME, voice gateways, call routing, Unity Connection, Unity Express, UCCX, and CUPS-related issues. • Use CDR, DNA, and RTMT tools for monitoring, analysis, and troubleshooting. • Configure IOS DHCP, VLAN, Voice VLAN, 802.1Q trunks, STP, and Frame Relay connections. Required Skills and Knowledge • Strong hands-on experience in Cisco Unified Communications technologies. • Good understanding of CUCM, CME, UCCX, CUPS, Unity Connection, Unity Express, and voice gateway technologies. • Experience in enterprise voice design, deployment, migration, and support activities. • Strong troubleshooting skills across voice infrastructure, call routing, gateways, and collaboration platforms. • Basic knowledge of IVR scripting and auto attendant configuration using UCCX. • Basic networking knowledge including OSPF, EIGRP, and RIP.
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Information at a Glance

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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 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 June 2026 totaled $14.8 billion.