シニアネットワークエンジニア/ Senior Network Engineer
A multinational telecommunications and data centre services company is looking for a Senior Network Engineer. The selected candidate will manage optical network capacity, forecast demand, coordinate infrastructure expansion, and improve overall network efficiency.
Responsibilities:
- Monitor optical network capacity, performance trends, and potential bottlenecks
- Forecast network demand using historical data, utilisation trends, and sales pipelines
- Plan and initiate capacity expansions based on investment needs and delivery timelines
- Coordinate infrastructure, equipment, fibre, and licence delivery with internal teams and vendors
- Support capacity checks, feasibility assessments, and technical requirements during pre-sales and service delivery
- Track delivery plans, optimise unused capacity, and maintain performance dashboards and KPIs
Requirements:
- Bachelor’s degree or above in Electronics & Communication" Engineering
- Experience in DWDM/OTN technologies from Ciena, Nokia, Fujitsu, and ADTRAN
- Prio experience in network planning and design- Link Engineering, Simulation, HLD/LLD creation, BOM creation, design validation, and building job packs for field teams
- Proven experience in optical capacity management, utilisation analysis, forecasting, and proactive/reactive builds
- Knowledge of ROADM, photonic nodes, shelves, transponders, and mux/demux systems
Preferred requirements:
- Experience improving end‑to‑end capacity delivery processes, reducing lead times,
defining SLAs, and standardising deployment guidelines - Prior experience with network functional testing, benchmarking, failure reproduction, and issue validation
- Background in automation and digitalisation of planning processes, including AI‑driven forecasting and automated monitoring
- Understanding of designing customer‑specific optical solutions and bespoke delivery requirements
- Familiarity with SDN Orchestrator platforms such as for service provisioning over multivendor optical environments
About the Company:
A multinational company providing telecommunications and data centre services to businesses of various sizes around the world. Headquartered in Europe, the company has a large international presence and operates in many major cities across a number of countries.
Keywords:
インフラ, IT, ハードウェア, ソフトウェア, ネットワークサービス, マネージメント, 求人, 外資系
Job Ref: CD5T11
About the job
Contract Type: Perm
Specialism: Information Technology
Focus: Network
Industry: Telecommunications
Salary: ¥8,000,000 - ¥14,000,000 per annum
Workplace Type: On-site
Experience Level: Mid Management
Location: Tokyo
FULL_TIMEJob Reference: CD5T11-2ECA2600
Date posted: 24 July 2026
Consultant: Jacob Trost
kanto information-technology/network-sales 2026-07-24 2026-09-22 telecommunications Tokyo JP JPY 8000000 14000000 14000000 YEAR Robert Walters https://www.robertwalters.co.jp https://www.robertwalters.co.jp/content/dam/robert-walters/global/images/logos/web-logos/square-logo.png true