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Consulting Engineer (CE3) – Service Provider Routing & Switching

NEXUS CORPORATION | Tokyo, Japan | Posted June 24, 2026

Position Overview

We are looking for a senior Consulting Engineer with expertise in Service Provider Routing & Switching technologies. The role involves designing, deploying, and supporting large-scale service provider networks while working closely with customers and technical teams. Responsibilities Design and implement service provider networking solutions. Troubleshoot complex network and MPLS-related issues. Provide architecture recommendations and technical leadership. Support customer engagements and project delivery activities. 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 including ASR9K, NCS5K, NCS500, NCS6K, and CRS. Strong written, verbal, and presentation skills. Preferred Skills Telecom or Service Provider industry experience. Customer-facing consulting experience.

6-7years

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