Core Network Engineer

**Position: Cloud Core Network Senior Engineer** **Job Description** * Design, implement, integsrate, maintain, and optimize cloud\-based core network platforms and services, including IP Multimedia Subsystem (IMS), Evolved Packet Core (EPC), and related voice and data network services. * Design and maintain cloud infrastructure components supporting core network services, including compute, storage, networking, virtualization, and network functions. * Ensure the reliability, availability, performance, scalability, and security of cloud\-based core network environments. * Perform technical troubleshooting, root\-cause analysis, and resolution of issues involving cloud infrastructure, core network applications, and network functions. * Implement and maintain appropriate security controls and operational practices for cloud\-based systems and network services. * Provide technical expertise throughout project implementation, network deployment, integration, maintenance, service delivery, and technical support activities. * Support the planning, implementation, testing, and optimization of core network solutions in accordance with technical and operational requirements. * Monitor network performance and service quality and identify opportunities for operational efficiency, reliability, and cost optimization. * Collaborate with technical, project, operations, and customer\-facing teams to support successful delivery of network projects and services. * Take ownership of assigned technical tasks and deliverables and complete work with appropriate levels of independence. * Prepare and present technical information, solution designs, implementation approaches, and recommendations to relevant stakeholders. * Provide technical knowledge sharing and training to customers, partners, and internal stakeholders when required. * Maintain awareness of relevant developments in cloud computing, telecommunications, core network technologies, virtualization, and network functions. **Job Requirements** * Bachelor’s degree or equivalent qualification in Telecommunications Engineering, Electrical \& Electronic Engineering, Computer Engineering, Information Technology, Computer Science, or a related technical discipline. * Minimum **5 years of relevant professional experience** in core network, IMS, telecommunications, cloud infrastructure, network engineering, or a related technical field. * Relevant experience in **CS/IMS network design, deployment, integration, implementation, or maintenance** . * Experience supporting **5G IMS, VoLTE, VoWiFi, VoBB, RCS** , or related telecommunications services would be advantageous. * Experience with **NFV, NFVI, cloud infrastructure, virtualization, or network function deployment** would be advantageous. * Practical knowledge of cloud\-based telecommunications infrastructure and core network service delivery. * Knowledge of IMS network components and architecture, including **CSCF, HSS, AS, MGCF, AGCF, ENUM, MRFC, MRFP, and SBC** , would be advantageous. * Knowledge of CS core network technologies, including **MSC, MGW, VNF, TCP/IP, VLAN, MPLS, and VRRP** , would be advantageous. * Strong technical troubleshooting and analytical skills, with the ability to identify issues, determine root causes, and implement appropriate solutions Interested candidates who wish to apply for the advertised position, please click on “Apply”. We regret that only shortlisted candidates will be notified. EA License No.: 01C4394 (PERSOL Singapore PTE LTD) By sending us your personal data and curriculum vitae (CV), you are deemed to consent to PERSOL Singapore Pte Ltd and its affiliates to collect, use and disclose your personal data for the purposes set out in the Privacy Policy available at https://www.persolworkandsmile.com/ You acknowledge that you have read, understood, and agree with the Privacy Policy.