Senior Principal AI Infrastructure Architect

Company: The Nippon Telegraph And Telephone Corporation (NTT)
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Overview

As a Senior Principal AI/HPC Architect, you will lead the design of large, complex managed-service solutions for enterprise clients, shaping the strategic IT roadmap and ensuring business outcomes. You will collaborate with sales and cross-functional teams to translate client strategy into end-to-end architectures, roadmaps, and governance. Your work balances proven methods with disruptive innovation to deliver value-driven solutions. This role offers impact at scale within a global, diverse organization that values responsible innovation.

Responsibilities

  • Lead design of large, complex managed-service solutions across domains and geographies.
  • Partner with sales to drive presales activities, proposals, and client presentations.
  • Translate client business strategy into IT roadmaps and end-to-end solutions.
  • Guide internal teams to align architecture with business outcomes and SLAs
  • Integrate services, data, and technology across multiple domains and geographies
  • Share best practices and contribute to knowledge base for clients and teams
  • Develop business cases and roadmaps to optimize IT Operations and measurable value
  • Define architectural principles and governance, and produce As-Is/To-Be service architectures

Key requirements

  • Extensive experience in enterprise architecture, managed services, and consulting for large-scale technology environments
  • Strong ability to map business strategy to IT strategy and roadmaps
  • Experience in presales, client engagement, and proposal/presentation delivery
  • Proven ability to manage large portfolios and align services with customer KPIs and SLAs
  • Knowledge of IT operations, security, data centers, networking, and digital solutions
  • excellent written and oral communication
  • strong negotiation and conflict resolution
  • strategic thinking and systems thinking
  • TOGAF and enterprise architecture knowledge
  • ITIL/COBIT and IT service management
  • Cloud, security, network, compute and storage infrastructures

Posted: September 14th, 2026