CY
CygnifyEngineer/ Senior Engineer - Mobile Core Planning
LocationSingapore
Work modeon-site
Typefull-time
SeniorityMid
Experience1–5 yrs
DepartmentCygnify
Company size201–500 people
PostedJun 24, 2026 · 3mo ago
Verified live16h ago
At a glanceSummarised by Seekless from the posting.
Degree in Electronics, Telecommunications Engineering, or 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
Familiarity with SPGW / SMF / UPF
Familiarity with SDM, PCRF / PCF
Familiarity with IMS, VoWiFi, VoNR, NEF
Understanding of IP networking and routing protocols
Understanding of API communication
Understanding of network and application security
Basic programming/scripting skills
Knowledge of application protocols and OTT services is advantageous
Willingness to support occasional night deployment activities
Skills
4G/5G Mobile Core
MME
AMF
SPGW
SMF
UPF
SDM
PCRF
PCF
IMS
VoWiFi
VoNR
NEF
IP networking
routing protocols
API communication
network security
application security
programming
scripting
application protocols
OTT services
Role: Engineer/ Senior Enigneer - Mobile Core Planning/ Project Planning
Location: Singapore
About the role
We are partnering with a leading organisation to hire a 4G/5G Mobile Core Network Engineer to support network planning, deployment, optimisation, and next-generation mobile initiatives.
About the Role
You will be involved in the planning, deployment, and optimisation of 4G/5G mobile core network infrastructure, supporting network expansion, roaming services, and enterprise 5G initiatives. This role offers exposure to cutting-edge mobile technologies, cloud-integrated telecom environments, and large-scale network projects.
Responsibilities
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 and ensure service reliability and functionality
•
Support roaming-related projects and new mobile commercial service launches
•
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
Requirements
Requirements
•
Degree in Electronics, Telecommunications Engineering, or 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, NEF
•
Understanding of:
•
IP networking and routing protocols
•
API communication
•
Network and application security
•
Basic programming/scripting skills
•
Knowledge of application protocols and OTT services is advantageous
•
Willingness to support occasional night deployment activities