Job summary: 1. Deploy Ericsson Communication Service (IP Multimedia Subsystem) solution on customer site including solution design and on site engineering, software loading, configuration, integration and troubleshooting. 2. Develop/Deploy customer specific application on top of Ericsson standard software architecture. 3. During project, support sales /product manager/project manager with technical consultant. 4. Work with latest communication service technology, 5G Voice, Enterprise/Private communication etc. 5. Directly involved in global key deals as a member of Global Service Delivery engineer. Key Qualifications: 1. Bachelor degree or higher in Telecommunications, Computer Science, Electronic Engineering or equivalent degrees . Who is in other major but interested in the telecommunication industry is also welcomed. 2. Good communication skills, English as working language. 3. Good leadership skills and team cooperation abilities. 4. Quick learner, be proactive, self-motivated and work independently. 5. Able to adapt to the new working environment. 6. Familiar with IMS Call Flow (Signaling) is preferred. 7. Familiar with Linux Operating System and TCP/IP network technology is preferred. 8. Familiar with Cloud related technology (Openstack, K8S, Microservice etc.) is preferred. 9. Experienced with Server integration or script development (Shell/Python) is preferred. 10. Accept high-frequency business trip domestically /internationally.