Network Voip Engineer

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 environment.
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