Must-Have*IP Telephony &

- VoIP Administration Cisco UCM/CUCM| Avaya| or Microsoft Teams Telephony SIP Trunking| PSTN &
- Voice Gateway Support Call Quality Troubleshooting &
- Voice Operations MACD Activities &
- Telephony Deployment Support

Good-to-Have

Experience in IP Telephony and VoIP technologies.

Knowledge of Cisco CUCM| Avaya| or Microsoft Teams Telephony.

Basic understanding of SIP| PSTN| and telecom infrastructure.

Familiarity with networking concepts (TCP/IP| VLAN| DNS| DHCP).

Experience with ServiceNow and ITIL processes.

Exposure to contact center and collaboration solutions.

Telecom troubleshooting and vendor coordination experience.

Relevant certifications such as CCNA| CCNP Collaboration| or Teams Administrator.

Responsibility of / Expectations from the Role Install| configure| and support enterprise telephony solutions across Hertz airport locations| corporate offices| contact centers| service centers| and remote branches.

Perform telephony deployments| site readiness assessments| device provisioning| and MACD (Moves| Adds| Changes| Deletes) activities for business users and operational locations.

Configure extensions| voicemail| hunt groups| auto attendants| call queues| contact center integrations| and user telephony profiles.

Support Cisco CUCM| Microsoft Teams Telephony| SIP-based voice platforms| contact center telephony solutions| and cloud voice services utilized across the Hertz workplace.





Troubleshoot voice and call quality issues including packet loss| latency| jitter| one-way audio| dropped calls| registration failures| and service outages.

Manage SIP trunks| PSTN connectivity| DID provisioning| emergency calling services| voice gateways| and telecom circuit operations.

Coordinate with telecom carriers| managed service providers| and vendors for circuit activations| incident resolution| number porting| capacity upgrades| and service restorations.

Execute telephony migrations| cutovers| testing| validation| and Hypercare support during technology refresh and transformation initiatives. Partner with Network| EUC| Infrastructure| Security| and Contact Center teams to resolve LAN| WAN| VLAN| QoS| Wi-Fi| and PoE-related voice service issues.

Maintain accurate telephony asset inventory| configuration records| circuit documentation| knowledge articles| and operational runbooks.

Support Incident| Request| Problem| Change| and Major Incident processes through ServiceNow while meeting defined SLAs and SLOs. Provide onsite and remote support for Hertz business locations| airport rental facilities| reservation centers| and corporate users. Ensure compliance with enterprise security standards| telephony governance requirements| emergency calling regulations| and business continuity objectives.

Monitor voice infrastructure health| analyze performance trends| and recommend service improvements to enhance availability and user experience. Deliver high-quality cus

📌 Network Voip Engineer (Chennai)
🏢 Tekskills
📍 Chennai