Senior Engineer - Mobile Core Planning

Starhub Ltd; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

StarHub Ltd. in Singapore seeks a dedicated engineer to provide planning and implementation support for 4G/5G Mobile Core nodes, IP backbone, and cloud infrastructure.

You will manage capacity planning, deployment plans, and ro amming related projects while ensuring network performance and supporting roaming initiatives. The role may involve night-time deployments and collaboration on IMDA 5GEP rollout and enterprise projects.

Qualifications

• Tertiary education in Electronics/ Telecommunications Engineering or equivalent.
• Hands-on knowledge of 3GPP Mobile Core nodes and related protocols.
• Familiarity with mobile 4G/5G networks and software like IMS/VoNR.
• Knowledge of security, API communication, and IP routing.
• Willingness for night-time deployments.

Responsibilities

• Carry out capacity planning and dimensioning of Mobile 4G/5G Core Network elements integrated with IP and cloud infrastructure.
• Plan and deploy project work plans for network expansion, upgrades and integration tasks.
• Monitor network performance and ensure good functionality of the Mobile elements.
• Implement roaming related projects and support new mobile commercial services and initiatives.
• Conduct feasibility study or trials of new emerging technologies.
• Support IMDA 5GEP roll-out and 4G/5G enterprise projects.

Skills

3GPP Core

MME/AMF

SPGW/SMF/UPF

NEF

IMS/VoNR

Network Security

API Communication

IP Routing

Scripting Basics

Night Deployments

Education

Electronics/ Telecommunications Engineering

Job description

Date: 14 Sept 2026

Location: SG

Job Description

Purpose
Provide planning and implementation support to 4G/5G Mobile Core nodes and Network Functions, IP backbone, Mobile 4G/5G Cloud Infrastructure, new commercial services and network initiatives, roaming related service support.

Responsibilities

• Carry out capacity planning and dimensioning of Mobile 4G/5G Core Network elements integrated with IP and cloud infrastructure
• Plan and deploy project work plans for network expansion, upgrades and integration tasks
• Monitor network performance and ensure good functionality of the Mobile elements
• Implement roaming related projects and support new mobile commercial services and initiatives
• Conduct technical feasibility study or trials of new emerging technologies

Support IMDA 5GEP roll-out and 4G/5G enterprise projects

Qualifications

• Tertiary education in Electronics/ Telecommunications Engineering or equivalent
• Preferably with hands-on knowledge of the following:
  • 3GPP Mobile Core nodes such as MME/AMF, SPGW/SMF/UPF, SDM, PCRF/PCF and associated protocols
  • Mobile 4G/ 5G network and other software related portfolio like IMS, Vowifi, VoNR, NEF
  • Network and Application security
  • API communication
  • IP switching and routing protocols
  • Basic proficiency in software programming and scripting
  • Good knowledge of various application protocols and OTT
  • Able to perform occasional night time network deployments