About this opportunity:
We are now looking for Voice Core Team Lead 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:
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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.
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Ensure MSTOP Processes are followed in the Workplace.
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To participate in internal technical discussions in view to improve overall network performance and make recommendations.
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To ensure correct working methodology, Best Practices and Continuous improvements in Ways of Working for efficiency.
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Ensure Fault management including TT handling and fault localization within SLA.
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Support and coordinate with the team on DT MOP Preparation and CR Implementation.
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Incident recovery within SLA.
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Ensure Preventive and corrective maintenance activities and network configuration audits.
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Voice core nodes SW updates and Upgrades.
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Acceptance test for newly introduced nodes and services.
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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.
The skills you bring:
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5+ years of experience in Ericsson CS/ IMS Troubleshooting and configuration.
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Expertise on Protocols (i.e., SIP, H.248, SS7, ISUP, BICC, SIGTRAN, INAP, CAP, TCAP, MAP, SCCP, Diameter)
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In-depth understanding of Call flow in CS Core, VOLTE/ IMS.
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Clear understanding for 2G/3G/4G core network nodes, protocols and signaling flow.
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Strong hands-on experience in O&M of different Voice Core CS nodes like MSC, MGWs, STP, UDC, APG, etc.
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Strong hands-on solving experience as a second level operations on IMS nodes like SBG, MTAS, CSCF, Ipworks, Eme ..etc.
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Good knowledge of Virtualization, Cloud NFVI, and NFVO is highly preferred.
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BSc. degree in Electrical Engineering, major in Communication and Electronic Engineering