IT Infrastructure Manager (System Integration Business)

Responsibilities:

• Lead and manage infrastructure teams (Network, System, Cloud, Security) and allocate resources for projects and services
• Coach, mentor, and develop technical skills within the team
• Conduct performance reviews and support career development
• Create a technical skill development roadmap for the team
• Manage end-to-end infrastructure and system integration projects on time and within budget
• Review High-Level and Low-Level Designs (HLD / LLD) before implementation
• Oversee managed services, IT operations, SLA compliance, and incident/change management
• Support pre-sales activities with technical consultation and solution review
• Manage budgets, vendors, contracts, and ensure compliance with security standards and risk governance
  • Enterprise Network: LAN, WAN, SD-WAN, Firewall, VPN
  • Server and Virtualization: VMware, Hyper-V
  • Cloud Infrastructure: Azure, AWS
  • Hybrid Cloud and migration projects
  • Backup and Disaster Recovery solutions
  • Cybersecurity infrastructure: Firewall, Endpoint, SIEM integration
  • Data Center and infrastructure modernization
• Provide technical leadership across network, server, cloud, cybersecurity, and DR solutions
• Develop and review the manning plan, sales plan, and profit (P&L) plan to support sustainable business growth
• Own the sales pipeline and achieve the annual sales target for the IT Infrastructure business
• Identify new business opportunities, expand the customer base, and drive growth strategies for IT Infra solutions

Qualifications:

• Bachelor's degree in IT, Computer Engineering, Computer Science, or related field
• 8–12 years of experience in IT Infrastructure
• 3–5 years of experience in a managerial or leadership role
• Experience in System Integration (SI) or IT service provider environment
• Proven experience managing enterprise-level infrastructure projects
• Experience in customer-facing technical discussions
• Strong expertise in enterprise networking, security, and infrastructure design
• Experience with virtualization, cloud, and hybrid cloud environments
• Knowledge of ITIL, service management, and infrastructure migration
• Strong leadership, people management, and customer communication skills
• Ability to manage project costing, margins, and make decisions under pressure
• Business-level command of English, both written and spoken
• Japanese language proficiency at JLPT N1 or N2 level is preferred
• Proven track record of driving business growth in System Integration (SI) / IT Infrastructure services
• Experience creating manning plan, sales plan, and profit (P&L) plan; able to manage an annual sales target