IMS Technical Specialist

3 days ago


chennai, India beBeeIMS Full time

IMS EngineerThe role of IMS Engineer is crucial in managing and driving initiatives around the operational delivery capabilities of 5GC IMS Voice & Messaging. This position requires a strong understanding of 3GPP specifications, deep knowledge of 4G and 5G-IMS Core Nodes, and architectural documents.Create test scripts using available tools, getting familiarized with the tools and figuring out innovative ways to recreate scenarios.Build test setups according to requirements and environment.Execute test cases and validate test status based on expectations.Fully understand system logs, test tool logs, and use this understanding for debugging issues and identifying root causes.Identify improvements and enhancements using test expertise.Requirements:8-15 years of experience in IMS Core Nodes, including P-CSCF, S-CSCF, TAS, IPSM-GW, MRFC, MRFP, BGCF, MGCF, I-SBC, DRA, HSS, SMSC.In-depth knowledge of IMS call flows as per 3GPPP.Good knowledge of IMS interfaces like Gm, Rx, ISC, Ro, Sh, Mw, Ici, Izi.Good understanding of protocols like SIP, Diameter, REST, TCP/IP, DNS, MSRP.Experience with SS7 application level protocols (MAP/CAP/INAP) is a plus.Hands-on experience in testing E2E call flows with respect to VoLTE and VoWiFi.Hands-on experience in test strategy preparation and driving testing projects.Expertise in product/capacity testing using simulators/scripting/open source tools.Ability to create/build test setups as per test strategy.Executing test cases and validating test status based on expectations.Ability to fully understand system logs, test tool logs, and use this understanding for debugging issues and identifying accurate root causes.Expertise with core network simulated tools like Spirent Landslide.Good understanding of NFVi Architecture and VNF Life Cycle Management.Experience in K8S is a plus.Working knowledge with Helm, json, yaml, etc.L2/L3 network and k8s networking expertise CNIs like Calico and service mesh is a plus.This opportunity offers:A challenging and dynamic work environment.The chance to develop skills and expertise in a rapidly evolving field.Opportunities for professional growth and advancement.A team-oriented culture that values collaboration and communication.Other benefits include:A comprehensive compensation package.A range of employee benefits, including health insurance, retirement savings, and paid time off.Access to ongoing training and development opportunities.



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