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DC networking engineer(SDN) Japanese speaker-Rakuten Mobile,Inc.

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Service & Support
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Rakuten Mobile Network,Inc.
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00013708 Requisition #
Rakuten Mobile, Inc. is an entity established for the launch of its mobile carrier business as a MNO (Mobile Network Operator.)

We aim to provide the most attractive and convenient service that meets customers’ needs and demands by its own innovative technology and spirit. 

In order to produce future world-standard innovations, we challenge the best of our own possibilities and address to build a workplace with an  environment and system full of opportunities.

We're looking for talented individuals who can take on and enjoy this challenge with us.
Rakuten Mobile, Inc. is an entity established for the launch of its mobile carrier business as a MNO (Mobile Network Operator.)

We aim to provide the most attractive and convenient service that meets customers’ needs and demands by its own innovative technology and spirit.

In order to produce future world-standard innovations, we challenge the best of our own possibilities and aim to build a workplace with an environment and system full of opportunities.

We're looking for talented individuals who can take on and enjoy this challenge with us.
 
Rakuten is one of the leading Tech companies in the world. Our mission is to empower
people and society through the internet while aiming at becoming a Global Innovation
Company. Rakuten started its own MVNO (Mobile Virtual Network Operator) Service in
2014 and, since then, Rakuten Mobile has become the No.1 MVNO in Japan.
Responsibilities:
NFVi Engineering & Op Department belongs to the department responsible for cloud infrastructure data center construction using NFV/SDN technology, vendor management and coordination with other stakeholders. We are responsible for the data center network from construction, networking operation to rollout of the underlay network devices, SDN based overlay network and SDN controller in our central and regional data centers.


Required Qualifications
  • 5+ years of experience in physical/logical network designing, configuring, building and operating in large data center networks
  • Hands-on experience with datacenter network skills; expert IP routing and L2 switching troubleshooting skills and level 2 or 3 operation problem solving ability.
  • Solid hardware knowledge of datacenter network devices; Cisco router/switch, Juniper router/switch, Arista switch, Ciena DWDM, F5 Big IP Load Balancers etc.
  • Experience with Ethernet technologies (Port channel, vPC, LACP, LAG), and MPLS, EVPN/VXLAN, MP-BGP routing protocol, Leaf-Spine IP Fabric networking
  • Experience with TCP/IP routing and switching required, Cisco certification(CCNA/CCNP/CCIE) preferential
  • Technical knowledge of vendor products related to SDN solutions (e.g. Cisco ACI, VMWare NSX, Juniper Contrail, etc.) in virtualization infrastructure (Openstack/KVM) or container infrastructure (Kubernetes/Docker), and hands-on operation experience.
  • Fluent in Japanese (must) and able to read and write English (plus);
Preferred Qualifications
  • Network construction/integration and operate experience for Cisco SDN/DC network solutions (ex: Nexus 9k Spine / Leaf switch, ACI fabric network)
  • Experience in network design, construction and operation of NFV infrastructure for mobile network operators (MNO)
  • Work experience with mobile core networks (EPC/IMS)
  • Network KPI knowledge and troubleshooting as a mobile network operator (MNO)
  • Experience with Framework for network automation such as REST, Ansible, Python, gRPC, OpenConfig, etc.
  • Those with high IT literacy and strong curiosity who can work independently and a self-starter

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