Senior Engineer - Mobile Core Planning

Starhub Ltd; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

Starhub Ltd in Singapore is seeking a Senior Engineer - Mobile Core Planning to provide planning and implementation support for 4G/5G Mobile Core nodes, IP backbone, and cloud infrastructure.

You will plan capacity, deploy work plans for network expansion, monitor performance, and support roaming projects and new mobile services. Some night deployments may be required.

Qualifications

• Tertiary education in Electronics/ Telecommunications Engineering or equivalent.
• Hands-on knowledge of Mobile Core nodes, related protocols, IMS, Vowifi, VoNR, and NEF.
• Experience with network security, APIs, IP routing, and scripting basics.
• Willingness to perform occasional night-time deployments.

Responsibilities

• Carry out capacity planning and dimensioning of Mobile 4G/5G Core Network elements.
• Plan and deploy project work plans for network expansion, upgrades and integration tasks.
• Monitor network performance and ensure good functionality of Mobile elements.
• Implement roaming projects and support new mobile services and initiatives.
• Conduct feasibility studies or trials of new technologies.

Skills

3GPP Core (MME/AMF)

SPGW/SMF/UPF

IMS/VoWiFi/VoNR

APIs & protocols

IP routing

Scripting basics

OTT protocols

Night deployments

Education

Bachelor's degree in Electronics/ Telecommunications Engineering

Tools

Cloud infrastructure

Job description

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Senior Engineer - Mobile Core Planning

Date: 18 Jul 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