Core Network Engineer – CS Core, ZTE
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Job Description
Core Network Engineer responsible for ZTE CS Core technology and platform management. Ensuring reliability and availability of core network elements and performance through monitoring and troubleshooting.
Responsibilities:
- Operate, configure, and maintain ZTE CS Core network elements such as MSC, MGW, HLR, VLR, and STP.
- Monitor core network performance, alarms, and KPIs to ensure high availability and reliability.
- Perform fault troubleshooting and root cause analysis for CS Core network issues.
- Handle configuration changes, software upgrades, patches, and license management.
- Coordinate with RAN, Transmission, and OSS teams for end-to-end service stability.
- Support interconnection, roaming, and signaling operations.
- Maintain accurate documentation of network configurations, changes, and incidents.
Requirements:
- Strong hands-on experience with ZTE CS Core platforms.
- In-depth knowledge of CS Core architecture and signaling protocols (SS7, ISUP, MAP).
- Experience with MSC, MGW, HLR/VLR, and signaling networks.
- Knowledge of call flow analysis, troubleshooting, and performance optimization.
- Familiarity with OSS tools for fault and performance management.
- Strong analytical and problem-solving skills.
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