Consulting Engineer (CE3) – ACI & Data Center Networking

NEXUS CORPORATION • Tokyo, 13 • Posted June 25, 2026

Position Overview

We are looking for a Consulting Engineer with strong experience in Service Provider Routing & Switching technologies. The role involves network design, implementation, troubleshooting, and technical consulting for large-scale service provider environments. Responsibilities Design, deploy, and support service provider network solutions. Troubleshoot complex routing, switching, and MPLS-related issues. Work closely with customers and internal engineering teams. Provide technical recommendations, documentation, and presentations. Required Skills Experience in LAN Switching and Routing. Strong understanding of TCP/IP (IPv4/IPv6) and MPLS technologies. Experience with ISIS, OSPF, BGP, Multicast, MPLS L2/L3 VPN, EVPN, and Segment Routing. Experience with service provider platforms such as ASR9K, NCS5K, NCS500, NCS6K, and CRS. Strong communication and presentation skills. Preferred Skills Service Provider or Telecom industry experience. Customer-facing consulting experience.

6-7years