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Job Description

About the job Circuit Switch Core Network Engineer

Main Responsibilities:


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

Professional Knowledge:


  1. Be familiar with strong communication knowledge and data communication knowledge.
  2. An expert in the core network domain, proficient in CS or PS product knowledge of the core network, Expert knowledge of CS or PS 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.
  3. Expert knowledge of CS nodes (VMSC, GMSC, SBC, OSS, HSS etc.) and CS protocols (SCCP, BSSAP, RANAP, SS7/ SIGTRAN/ M3UA/ MTP3).

Business Skills:


  1. Effective Communication Capability: Effectively communicate with technical customers (mid-level) about technical solutions, project plans and progress and obtain customer support and recognition.
  2. Customer requirement Analysis and Guidance: Strong customer communication skills and experience in explaining technical solutions to customers, Correctly understand, effectively analyze and manage customer requirements.
  3. Technical problem-solving Capability: Solve complex technical problems of the product family through accurate analysis and location.

Job Requirements:


  1. Bachelor Degree in engineering or relevant.
  2. More than 8 years experience in core network field, especially in CS domain.


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