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Senior/ Engineer (Mobile Core Planning & Implementation)

Date:  15 May 2024

StarHub Green

Company:  StarHub Ltd

Job Description

Provide planning and implementation support to 4G/5G Mobile Core nodes and Network Functions pertaining to Mobile Messaging and roaming related service support


  • Planning and dimensioning of Mobile 4G and 5G messaging and roaming related Network nodes, IP nodes and cloud infrastructure
  • Administrate and manage the SMS firewall system to protect the mobile network against SMS-based message attack
  • Implement project work plans for network expansions, upgrades and integration tasks
  • Monitor network performance and ensure proper working conditions of the Mobile messaging and roaming related elements
  • Implement roaming related projects and support the development of new mobile commercial services and initiative
  • Technical feasibility study or trial on new emerging technologies


  • Appropriate qualification in Electronics/ Communications/ Networking or equivalent 
  • Relevant experiences preferred though not necessary
  • Good technical knowledge of Short Message Service call flows and associated protocols
  • Basic knowledge of Mobile 4G and 5G network and other related portfolio such as IMS
  • Basic understanding of Network and Application Securities
  • Basic knowledge of API communication
  • Good knowledge of IP switching and routing protocols
  • Basic proficiency in programming and scripting skills
  • Experiences and understanding of the SS7 protocol, Sigtran and Diameter
  • Occasional work during late night maintenance window period

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