Core Network Engineer

Beijing Foreign Enterprise Management Consultants Co.,Ltd.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Huawei in Singapore is seeking a Cloud Core Network Engineer to design, deploy and optimize cloud-based core network solutions, ensuring high availability and performance across IMS, EPC and related services. You will provide technical support for network operations and collaborate with regional teams to deliver scalable cloud infrastructure.

This role requires hands-on experience in NFV, 5G IMS deployments, VoLTE and related cloud platforms, plus strong communication skills to engage with

Qualifications

• Bachelor’s degree or equivalent in a related field.
• Minimum 5 years of relevant CS/IMS network design, deployment, operations or maintenance.
• Experience in 5G IMS new-site deployment, capacity expansion, and VoLTE-related projects.
• Experience in NFV/cloud-based deployment, post-sales support, and project management.
• Strong knowledge of VoLTE, VoWiFi, VoBB, RCS, Cloud, NFVI; experience with major mobile operators.
• Good communication and stakeholder management skills.
• Knowledge of IMS elements: CSCF, HSS, AS, MGCF, AGCF, ENUM, MRFC, MRFP, SBC.
• Knowledge of CS Core Network technologies: MSC/MGW, VNF, TCP/IP, VLAN, MPLS, VRRP.
• Strong problem-solving, self-motivation and ownership mindset.
• Adaptable and able to work across multiple projects and teams.
• Collaborative with cross-functional and multicultural teams.

Responsibilities

• Design, deploy and optimize cloud-based core network solutions.
• Provide technical support for network operations and ensure high availability.
• Design, build and maintain cloud resources including compute, storage and networking.
• Troubleshoot and resolve infrastructure and core network issues.
• Implement and maintain security measures for cloud-based systems and data.
• Serve as product SME and work independently on service delivery and product development.
• Align delivery goals with network management baselines, costs and quality.
• Collaborate with regional/HQ or local teams and present technical solutions.

Skills

VoLTE

VoWiFi

VoBB

RCS

Cloud NFVI

5G IMS

EPC

Education

Bachelor's degree in Electrical & Electronic Engineering, Telecommunications Engineering, Computer Engineering, Information Technology, or related field

Tools

IMS

EPC

NFV

TCP/IP

VLAN

MPLS

SBC

Job description

On behalf of a world-renowned technology company, Huawei, we are hiring a Cloud Core Network Engineer who will be responsible for designing, deploying, and optimizing cloud-based core network solutions, providing technical support for network operations, and ensuring high availability, reliability, and performance of core network services.

Job Description:

• Cloud Core Engineer focuses on the foundational infrastructure and delivery of cloud core platforms e.g. IP Multimedia Subsystem (IMS), Evolved Packet Core (EPC), ensuring reliability, performance and security, troubleshooting technical issues, and provide technical support to cloud-based related voice & data services.
• Responsible to design, build, and maintain cloud resources and components, including compute instances, storage, and networking.
• Responsible to design, build, and maintain the core components base on cloud-infrastructure.
• Troubleshoot and resolve technical issues related to infrastructure and core network applications.
• Implement and maintain security measures to protect cloud-based systems and data.
• Serve as a product SME and able to works independently complete technical work in service scenarios such as project delivery, network maintenance, learning services, and service product development involving cloud core network product.
• Responsible in achieving delivery & service business objectives in aspects like network management baselines, efficiency, costs, quality or competitiveness.
• Require to work as a team with either regional/HQ or local team.
• Require to work under minimum supervision to complete tasks assigned.
• Require to be able to present technical solution professionally and have technical training for local channel partners and customers.

Job Requirements:

• Bachelor’s degree or equivalent qualification in Electrical & Electronic Engineering, Telecommunications Engineering, Computer Engineering, Information Technology, or a related field.
• Minimum 5 years of relevant experience in CS/IMS network design, deployment, delivery, operations, or maintenance, preferably within the telecommunications industry.
• Experience in 5G IMS new-site deployment, capacity expansion, and VoLTE-related projects is preferred.
• Experience in NFV/cloud-based network deployment, post-sales support, and project management within the telecommunications or carrier environment is preferred.
• Strong technical knowledge of VoLTE, VoWiFi, VoBB, RCS, Cloud, NFVI and related network solutions, with experience supporting major mobile operators.
• Good communication, stakeholder management and influencing skills, with the ability to engage effectively with customers and internal stakeholders at different levels.
• Knowledge of IMS network elements, including CSCF, HSS, AS, MGCF, AGCF, ENUM, MRFC, MRFP and SBC, will be an added advantage.
• Knowledge of CS Core Network technologies, including MSC/MGW, VNF, TCP/IP, VLAN, MPLS and VRRP, will be an added advantage.
• Strong problem-solving skills, self-motivation and a willingness to take ownership of assigned responsibilities and learn new technologies.
• Adaptable and flexible, with the ability to work effectively across different projects, responsibilities and business requirements.
• Able to work collaboratively with cross-functional and multicultural teams in a fast-paced technology environment.