Circuit Switch Core Network Engineer

Description:

• Leading team to design and deliver core network engineering projects, manage engineering technologies and handle various technical problems during engineering delivery.
• Cooperate with marketing department to provide pre-sales technical support and communicate with customers.
• Fully communicate with customers during project delivery, ensure successful project delivery and ensure customer satisfaction.
• Take responsibility for network safety.
• Responsible for project support integration and new nodes acceptance.
• Ensuring fast response, accurate actions and decisions during crisis.

Professional Knowledge:

• Be familiar with basic communication knowledge and data communication knowledge.
• Expert knowledge of CS core call flows and scenarios as per 3GPP. GSMA, IEEE and ETSI standards, outstanding troubleshooting skills using internal/external tracing tools, Wireshark etc. including 2G/3G/4G.
• Expert knowledge of CS nodes (VMSC, GMSC, SBC, OSS, HSS etc.) and CS protocols (SCCP, BSSAP, RANAP, SS7/ SIGTRAN/ M3UA/ MTP3).