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Urgent! Senior Engineer, 5G Naas Job Opening In Singapore, Singapore – Now Hiring StarHub

Senior Engineer, 5G Naas



Job description

Seniro Engineer _5G NaaS

Role Summary


We are seeking a 5G Core Senior Engineer—an expert whose depth of knowledge in 3GPP 5G Core standards is unparalleled.

As the SME for 5G Core & NaaS Architecture, you will be the ultimate technical authority within our team.

Your primary mandate is to ensure our NaaS platform are developed with use cases such as 5G Dynamic slicing, CAMARA/GSMA Open gateway API’s, implemented, and optimized to its fullest potential to serve as the robust foundation for our Dynamic Network Slicing and CAMARA API initiatives.


This is a hands-on technical role for an expert who thrives on solving complex architectural challenges and lead the successful implementation.


Key Responsibilities


5G Core Architecture & Design Authority for NaaS initiatives:
Serve as the Teams’s expert on 3GPP 5G Core standards (Release 16/17/18), including detailed knowledge of SBA, NFs (AMF, SMF, UPF, NRF, NSSF, PCF, UDM, AUSF), and interfaces (N1-N15, N22, N29).
Lead and drive the technical design and validation of 5G dynamic slicing use cases on critical 5GC functionalities, including Registration, PDU Session Establishment, Policy Control, and Security for 5G dynamic slicing use cases.
Provide deep technical guidance on the integration of Network Exposure Functions (NEF) for CAMARA/GSMA Open Gateway API implementation and drive the Open gateway initiatives for technical implementation.
Guide developers for 5G core domain expertise.
Evolve as expert to drive automation and AI driven implementation of platforms to drive performance and cost efficiencies.
Network Slicing Expertise:
Architect the implementation of E2E network slicing from the Core perspective, providing expert advice on the role of core functions such as NSSF, NRF, and PCF in slice selection, authentication, and policy enforcement in 5G dynamic slicing platform.
Advise the Orchestration team on the specific 5G Core requirements and configurations needed to instantiate and manage network slices (e.g., SLA, QoS, slice-specific NFs).
Work with the Mobile Planning team to define how core network resources are partitioned and allocated to meet slice isolation and performance guarantees.
Open API Strategist: 
Architect the integration between the 5G Core's Network Exposure Function (NEF) , HSS and the CAMARA service layer.

Provide expert-level design input for implementing and customizing GSMA Open Gateway APIs (e.g., Device Location, Quality on Demand, Number Verification).
Technical Leadership & Cross-Functional collaboration:
Act as the primary technical point of contact for the Orchestration team, ensuring their automation and orchestration logic accurately interacts with 5G Core NFs via standard interfaces.
Project management for the Network slicing and Open gateway projects with team and take forward the successful implementation.
Evaluate and select vendor CNF (Cloud-Native Network Function) solutions based on deep technical due diligence of their standards compliance, performance, and interoperability.
Mentor network engineers and architects on 5G Core principles and best practices.
Standards & Innovation:
Maintain a cutting-edge understanding of 3GPP developments and contribute to architectural decisions that prepare the platform for future releases.
Represent the company's technical interests in industry forums and with technology partners.

Qualifications


Qualifications & Experience


Required:


4-5+ years of experience in telecommunications network architecture, with focus on 4G EPC and, predominantly, 5G Core network design and implementation.
Hands-on experience with the lifecycle management of 5G Core Network Functions in a cloud-native environment (VMs, Containers, Kubernetes).
Proven experience designing or implementing solutions involving the Network Exposure Function (NEF) and API frameworks (e.g., CAMARA).
Deep understanding of the 5G Core's role in End-to-End Network Slicing.
Knowledge of Kubernetes, containers, Orchestration and the CNCF landscape.
Familiarity with DevOps practices and CI/CD pipelines will be a plus.
Basic knowledge of programming languages C or Java is a plus.
Bachelor’s degree in a relevant technical field.


Required Skill Profession

Engineers



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