L4 UC Engineer

Servion Global Solutions

10 years

0 Lacs

india

Posted:4 days ago| Platform:

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Skills Required

architecture design troubleshooting interoperability sip negotiation routing flow engineering unity virtualization migration collaboration webex cisco planning scalability forecasting wan failover strategies backup testing integration crm erp governance configuration

Work Mode

Remote

Job Type

Full Time

Job Description

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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