Packet Core Engineer |12 months contract|

Roles and Responsibilities:

• Manage and support 4G EPC Packet Core and 5G SA Core networks with strong understanding of core signalling flows.

• Perform hands-on configuration, operation, and troubleshooting of Nokia products: CMM (AMF), CMG (SMF/UPF), and NRD.

• Monitor KPIs and alarms, analyze issues, and drive timely resolution of technical faults.

• Deploy, operate, and troubleshoot Kubernetes-based CNF environments.

• Apply strong routing and networking fundamentals to core network operations.

• Raise and track support tickets with vendors, ensuring closure through effective follow-up.

• Support voice solutions including VoLTE, VoNR, and VoWiFi.

• Prepare MOPs, execute acceptance tests, and support production implementation.

• Provide 24x7 emergency standby support as required

Requirements:

• Good knowledge of 4G EPC Pack Core and 5G SA Core network and strong understanding of core network signalling flows.

• Hands-on experience of Nokia Product CMM(AMF) and CMG(SMF/UPF) and NRD.

• Good troubleshooting skills on technical issues and understanding of the kpi and alarms.

• Good knowledge of Kubernetes/CNF deployment.

• Good understanding of routing related knowledge.

• Open issue ticket and follow up with support team till issue is addressed.

• Good understanding of voice solution like Volte, VoNR and VoWifi;

• Prepare MOP, execute acceptance test and support MOP implementation in production network.

• 24x7 emergency standby support.

Interested candidates who wish to apply for the above position please click the "Apply Now' button and send your resume to: We regret that only shortlisted candidates will be notified. PERSOL Singapore Pte Ltd EA License No: 01C4394| Saravanan| Reg No: 01C4394 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.persol.com.sg/policies. You acknowledge that you have read, understood, and agree with the Privacy Policy.