IP & Packet Core Solution Architect (工作地點：台北市松山區)

Key Tasks and Activities: - Support TWM IP & PaCo projects to deliver smoothly and successfully in 12 months. - Develops customer end-to-end IP and Packet Core network infrastructure architecture that will be the Data and Voice infrastructure for 4G and 5G services, based primarily on Appliances, OpenStack and OpenShift platform. - Develops high level solution design (decompose the requirements into the functional blocks, defines solution components, external and internal interfaces, responsibilities of the components, network protocols) as input for overall technical solution. - Creates solution details including components, external and internal interfaces, responsibilities of the components, network protocols to be used, component flow charts that includes multi-vendor environment. - Keeps in permanent contact with Customer’s stakeholders by means of regular meetings and workshops. - Acts as key bridge between backend support and R&D teams and the project delivery team to identify and manage technical and scope risks. - Performs technical risk evaluation and plans to mitigate risks of proposed design/solution. - Evaluates new technologies and sets a direction for future technical capability demands. - Plan the migration of traffic from existing legacy network to the cloud infrastructure and related software upgrade. Competences: - A deep understanding of how IP and Packet Core network is designed for Consumer and Enterprise including full understanding of 3gpp specifications and data use cases and integration with 4G & 5G networks. - Practical experience designing and deploying data network for 4G and 5G networks. - Architectural know how on special HW/SW based tech such as SR IOV, PCI pass-through, DPDK and accelerators, etc. - End-to-end architectural know how on following: o IP and Packet Core network architecture interworking with IMS infrastructure. o Basic understanding on IMS / VoLTE/ VoNR use cases and call flows. o End-2-end design for break-out and break-in calls for IP and data calls. o 5G Services Based Architecture. o Security aspects including Defence-in-depth. o RedHat OCP (Openshift Container Platform), Kubernetes, RHEL host OS & Linux components. o Data IP roaming and operator interworking. - Internetworking between cloud infrastructure and container functions via VXLAN GW. - Tenant virtual network implementation stretching across multiple NFVI Data centers. - Security and auxiliary services (VPN, FW, DHCP, DNS, etc.) in Native Cloud, Kubernets and VMWare clouds.