CS and IMS Core Subject Matter Expert at Ericsson

Cairo, Cairo, Egypt -

Full Time

Start Date

Immediate

Expiry Date

05 Jan, 26

Salary

0.0

Posted On

07 Oct, 25

Experience

10 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

CS Core, IMS, Troubleshooting, Configuration, Protocols, Call Flow, Network Nodes, O&M, Voice Core, Virtualization, Cloud NFVI, NFVO, Best Practices, Fault Management, Incident Recovery, Continuous Improvements

Industry

Telecommunications

Description

Join our Team About this opportunity: We are now looking for CS&IMS Core SME who will handle and operate on a large scale "CS & IMS network and CS & IMS network Infrastructure" that will be responsible for the coordination, management, execution, and reactive maintenance activities that require a higher level of support than offered by the 2nd level Operations, plus creating internal knowledge bases sessions for information sharing purposes What you will do Ensure configuration Changes Troubleshooting of MSC, MGW, HLR, HSS, STP, SBC, UDM (CUDB, HSS[1]FE, HLR-FE) IMS (P, I, S-CSCF, ATS, MGCF, MRFP, CG, ENUM, DRA, UPG) with approved processes Ensure MSTOP Processes are followed in the Workplace To participate in internal technical discussions in view to improve overall network performance and make recommendations To ensure correct working methodology, Best Practices and Continuous improvements in Ways of Working for efficiency Ensure Fault management including TT handling and fault localization within SLA Support and coordinate with the team on DT MOP Preparation and CR Implementation Incident recovery within SLA ensure Preventive and corrective maintenance activities and network configuration audits Voice core nodes SW updates and Upgrades Acceptance test for newly introduced nodes and services Improve 1st and 2nd level operation engineers' performance during shift time and share the knowledge and proper guidelines to assure their work quality and process consistency You will bring BSc. degree in Electrical Engineering, major in Communication and Electronic Engineering Experience level 8+ years in Ericsson CS/ IMS Troubleshooting and configuration. Expertise on Protocols (i.e., SIP, H.248, SS7, ISUP, BICC, SIGTRAN, INAP, CAP, TCAP, MAP, SCCP, Diameter) In-depth understanding of Call flow in CS Core, VOLTE/ IMS. Clear understanding for 2G/3G/4G core network nodes, protocols and signaling flow Strong hands-on experience in O&M of different Voice Core CS nodes like MSC, MGWs, STP, UDC, APG, etc Strong hands-on solving experience as a second level operations on IMS nodes like SBG, MTAS, CSCF, Ipworks, Eme ..etc Good knowledge of Virtualization, Cloud NFVI, and NFVO is highly preferred.

Responsibilities

The CS & IMS Core SME will manage and operate a large-scale CS & IMS network and infrastructure, ensuring configuration changes and troubleshooting of various network components. They will also participate in internal discussions to improve network performance and ensure fault management within SLA.