L4 UC Engineer

4 days ago

India Servion Global Solutions Full time

Role: L4 UC Engineer

Exp: 10+ Years

Location: Remote

JD:

- UC Architecture & Design: Deep understanding of Unified Communications Products like CUCM, CUC, IM & Presence, and Expressways. Deep knowledge of designing and troubleshooting clusters, inter-cluster trunks, and high availability configurations.
- PSTN Trunking & Interoperability: Designing and troubleshooting SIP trunks, PRIs with carriers, including codec negotiation, SIP headers, PRIs, and call routing logic.
- CUBE & Voice Gateway Configurations: Advanced IOS gateway setup (MGCP, H.323, SIP), dial peers, DSP resources, and survivability strategies.
- Analog Devices: Understanding of Analog Devices such as Analog Gateways, Analog Phones, Fax Devices, DTMF & Dial-tone behavior, FXS/FXO Ports.
- Call Flow Engineering: End-to-end call flow design across multiple platforms (CUCM, Unity, UCCX/UCCE, Expressway).
- Virtualization & Cloud Migration: Deploying IPT solutions on UCS platforms or migrating to cloud-based collaboration (Webex Calling, Cisco HCS).

Strategic & Operational Skills

- Capacity Planning & Scalability: Forecasting growth, designing scalable dial plans, and managing bandwidth across WAN links.
- Disaster Recovery & Redundancy: Architecting failover strategies, backup systems, and DR testing protocols.
- Integration Expertise: Connecting IPT with third-party systems (CRM, ERP, SIP endpoints, SBCs).
- Change Control & Governance: Leading change advisory boards, documenting impact assessments, and enforcing configuration standards.

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