Mobile Core Planning Engineer (Senior)

About the role

You will be involved in planning, deploying and optimizing 4G/5G mobile core network infrastructure. The role supports network expansion, roaming services and enterprise 5G initiatives while exposing you to cloud‑integrated telecom environments and large‑scale projects.

Key responsibilities

• Perform capacity planning and dimensioning for 4G/5G Mobile Core network elements integrated with IP and cloud infrastructure.
• Support network expansion, upgrades, integration and deployment activities.
• Monitor network performance to ensure service reliability and functionality.
• Assist roaming‑related projects and launch new mobile commercial services.
• Conduct technical feasibility studies, testing and trials for emerging technologies.
• Support enterprise 4G/5G projects and IMDA 5G initiatives.
• Collaborate with internal teams and vendors to ensure smooth implementation and operational readiness.

Required profile

• Degree in Electronics, Telecommunications Engineering or a related field.
• 1–5 years of experience in the telecommunications industry.
• Hands‑on knowledge of 4G/5G Mobile Core technologies and associated protocols.
• Familiarity with MME, AMF, SPGW, SMF, UPF, SDM, PCRF, PCF, IMS, VoWiFi, VoNR and NEF.
• Understanding of IP networking, routing protocols, API communication and network/application security.
• Basic programming or scripting skills.
• Knowledge of application protocols and OTT services is advantageous.
• Willingness to support occasional night deployment activities.

Required skills

• 4G/5G Mobile Core technologies
• MME, AMF, SPGW, SMF, UPF
• SDM, PCRF, PCF, IMS
• VoWiFi, VoNR, NEF
• IP networking and routing protocols
• API communication
• Network and application security
• Programming/scripting
• Application protocols
• OTT services