IT Infra Solutions Engineer

Date PostedMay 26, 2026LocationAsia Japan Tokyo MinatoCompanyEIRE Systems K.K.SalaryJPY 7000K - JPY 9500KTypeit (hardware/network) - server architect and developer it (hardware/network) - network engineer it (hardware/network) - server and machine operation and maintenance

Job Summary

The IT Solutions Engineer is responsible for consulting, designing, and implementing infrastructure solutions for mid-sized companies in Tokyo. This role focuses heavily on Microsoft cloud-based environments, including Azure, M365, Intune, and endpoint management. The position requires a balance of technical expertise and strong client-facing communication skills in both Japanese and English.

Responsibilities

  • Design and implement Microsoft Azure and M365 environments
  • Perform data and email migrations to Microsoft 365
  • Provide technical escalation support for infrastructure issues
  • Conduct security reviews and provide improvement recommendations
  • Collaborate with sales team for pre-sales technical presentations

Required Skills

  • Japanese (JLPT N2+) and English (Fluent)
  • Microsoft 365, Azure, Intune, and Entra expertise
  • Experience with Active Directory and PowerShell
  • Network fundamentals (VLAN, DNS, Firewall, IPSec)
  • Infrastructure project design and implementation

Job Details

Job Description EIRE Systems' IT Solutions Engineers consult with mid-sized companies in and around the Tokyo area, to define and standardize their organization’s infrastructure, providing strategic designs and tactical solutions best fitted to each clients’ business needs. The Microsoft Cloud Solutions Engineer is a critical member of our IT Managed Services team for designing, implementing, managing and supporting modern IT Infrastructure and end-user computing solutions and support services. The scope of the role is wide-ranging, functioning as a technology infrastructure generalist and key point of escalation for client or vendor-related technical matters. The role includes solution design, configuration, implementation and technical support of technology solutions encompassing virtualization, servers, storage, desktop and mobile technologies, email, networks, telecoms and security. A key focus on this role will be on engineering and technical support for Microsoft cloud-based products, including: ・ Set-up, configuring, implementing and migrating new Microsoft Azure environments for clients, utilizing Microsoft Entra, Autopilot, Intune, Endpoint Manager, Exchange Online, Defender, SharePoint, OneDrive etc. ・ Plan and execute the migration of client data (including email) to Microsoft 365. ・ Work with other senior IT engineers and sales team to formulate solutions and make client presentations during pre-sales phase. ・ Review existing security of clients’ environment and make recommendations on how to improve their overall security. Customer Management and Team Work: ・ Your excellent written and verbal communication and interpersonal skills will always be on display through one-to-one interactions with customers and through your dealings with other team members. In addition to technical expertise, you will add value through customer-facing Japanese communication skills and cultural sensitivity. Job Requirements Language Skill Requirements: ・Japanese (JLPT N2 level or above) ・English Level Fluent (TOEIC 865-) Technical requirements: ・A track-record of successfully building and supporting technology infrastructure solutions for businesses. ・Technical knowledge and hands-on experience designing and implementing Microsoft cloud-based solutions and services such as Microsoft 365, Azure, Entra, Autopilot/Intune, Endpoint Manager, Defender, etc. ・At minimum, we’re seeking an engineer with hands-on experience designing and implementing, from scratch, a Microsoft tenant, including Intune, and; experience setting up and migrating data, accounts, emails, etc. to and from Microsoft tenants. ・Working knowledge of a variety of Windows Operating Systems and Microsoft applications and technologies such as Windows 2012~2022 Server, SharePoint, Microsoft Exchange 2010~2019; Windows 10/11; Active Directory, Group Policy, Security Groups, PowerShell etc. ・Good fundamental understanding of networking, such as IPSec tunnels, DNS, subnets, VLANs, and firewalls. The basics for troubleshooting & supporting various switching, routing, VLAN, voice, proxy and virtual network technologies and solutions.