Global IT Infrastructure Engineer (Cloud / Infrastructure)

Role Overview

A global IT services organization is seeking a Global IT Infrastructure Engineer to support the design, implementation, operation, and continuous improvement of enterprise-scale cloud, network, and server environments across hybrid infrastructures.

The primary cloud platform is Microsoft Azure. However, candidates with hands-on experience in Azure, AWS, or GCP are welcome. Among these, Azure experience is highly preferred.

You will collaborate closely with customer teams and global engineering organizations to ensure stable, secure, and high-performance IT operations.

This position is directly employed by the company and assigned onsite to a customer location in Tokyo.

Key Responsibilities

Cloud & Infrastructure Operations

• Design, build, operate, and optimize global IT infrastructure primarily on Microsoft Azure (AWS or GCP experience acceptable; transition to Azure expected if needed).

• Manage hybrid cloud and on-premises data center integrations, including identity, connectivity, and governance.

• Operate and support mid-scale Azure environments, ensuring availability, performance, and compliance.

Incident & Problem Management

• Lead incident response, troubleshooting, root cause analysis, and service restoration activities.

Network Operations

• Manage global network environments including VPN, MPLS, and dedicated lines.

• Address intercontinental routing and connectivity constraints.

Security & Risk Management

• Implement and maintain security controls, monitoring frameworks, and vulnerability management processes.

Documentation & Governance

• Develop and maintain runbooks, operational procedures, and configuration documentation.

Cross-Functional & Global Collaboration

• Coordinate with customer teams, overseas engineering groups, and external vendors.

Cost Management

• Optimize infrastructure costs and support budget management for cloud and on-premises environments.

Technical Innovation

• Research emerging technologies and propose improvements to enhance operational efficiency and system performance.

Required Qualifications

Experience

• Minimum 4 years of hands-on experience in designing and implementing major cloud platforms (Azure, AWS, or GCP).

• Practical experience with at least one major cloud provider. Azure experience is highly preferred.

Technical Skills

• Strong knowledge of cloud architecture, governance, and security (Azure preferred).

• Experience with Windows and/or Linux administration.

• Experience with hybrid cloud integrations.

• Understanding of global network operations (VPN, MPLS, dedicated lines).

• Strong troubleshooting, incident response, and performance optimization skills.

Language Requirements

• Native Japanese speakers / Non-native speakers must hold JLPT N2 or higher.

• English: Business-level proficiency for global communication.

Core Competencies

• Planning & Execution: Translates objectives into actionable plans and delivers reliably.

• Analytical Thinking: Effectively analyzes complex infrastructure issues and identifies root causes.

• Prioritization: Manages incidents, changes, and tasks under time constraints.

• Communication: Communicates clearly with both technical and non-technical stakeholders.

• Collaboration & Coaching: Shares knowledge and supports cross-team and global cooperation.

Certifications

Required (One of the Following – Azure Preferred)

• Microsoft Certified: Azure Solutions Architect Expert (Highly Preferred)

• AWS Certified Solutions Architect – Professional

• Google Cloud Professional Cloud Architect

Preferred

• CCNA / CCNP

• LPIC-1 / LPIC-2 / LPIC-3

• Windows Server certifications

• Security+ / CEH / CISSP

• ITIL Foundation

• PMP

Work Location & Arrangement

• Location: Tokyo (Client Site)

• Work Style: 4 days onsite, 1 day remote per week