Job Description
Purpose:
Provide technical and operational support for 4G/5G Mobile Core nodes (nTAS/MSS/SBC/CFX/HSS/HLR/OneNDS/UDM/AUSF/FW) and International Roaming related service support.
Responsibilities:
Perform daily operation and administration of 4G/5G Mobile Core nodes (nTAS/MSS/SBC/CFX/HSS/HLR/OneNDS/UDM/AUSF/FW) and ensure smooth network operation. Carry out system maintenance activities eg patch installation to improve system performance, system release upgrade. Develop and review system operations processes, update network and operational documents to ensure operation effectiveness. Perform system security hardening, vulnerability assessment, and implement the necessary corrections/ processes to mitigate security risks. Perform proactive monitoring of network service KPIs/ alarms and performance analysis to ensure service quality level. Perform service troubleshooting and testing with local service providers and overseas roaming partners.
Qualifications
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