Infrastructure Engineer Tokyo

Date PostedJune 3, 2026LocationTokyo, JapanCompanybloomtech.incSalaryJPY 4000K - JPY 6000KTypeit (hardware/network) - server architect and developer it (hardware/network) - cloud engineer it (hardware/network) - security system se

Job Summary

This position involves diverse infrastructure projects including Cloud, Network, Server, and Security engineering. Candidates will be assigned to specific domains based on experience and preferences, ranging from design to operation. The role is open to various skill levels, including entry-level candidates with a willingness to develop technical expertise.

Responsibilities

Design, build, and operate cloud infrastructure (AWS/Azure/GCP).
Implement and manage network solutions including SD-WAN and Zero Trust.
Perform server construction, migration, and virtualization tasks.
Manage security operations, incident response, and policy formulation.

Required Skills

Practical experience in Network, Server, Cloud, or Security.
Japanese language proficiency (Business/JLPT N2).
Infrastructure automation skills (IaC, Ansible, Scripting).
Relevant certifications (AWS, CCNA, LPIC, CISSP) are preferred.

Job Details

■Job Description Depending on your experience and preferences, you will be assigned to one of the following areas or a cross-functional project. A. Cloud Engineer Domain • Design, construction, and operation of infrastructure environments such as AWS/Azure/GCP • IaC implementation using Terraform/CloudFormation • Cloud migration from on-premises (lift & shift) and cloud-native implementation B. Network Engineer Domain • Network design, construction, and operation using Cisco/Juniper, etc. • Introduction and design of SD-WAN and Zero Trust Networks (SASE) • Proposal of hybrid configurations including cloud connectivity (Direct Connect/ExpressRoute) C. Server Engineer Domain • Design, construction, and migration (P2V/V2V) of Linux/Windows Servers • Introduction of virtualization platforms (VMware/Hyper-V) and HCI • Operational automation using Ansible and scripts (Shell/Python) D. Security Engineer Domain • Introduction and operation of security products (EDR, WAF, IPS/IDS) • SOC operations (log monitoring and analysis), vulnerability assessment, incident response • Security policy formulation, certification acquisition support, consulting ■Job Requirements • Required: Practical experience in IT infrastructure (network, server, cloud, or security). Experience in 'operation and maintenance only' is also welcome. • Preferred (Common): PL/PM experience or desire to aim for it. • Preferred (Cloud): AWS/Azure/GCP certification, IaC experience. • Preferred (Network): CCNA/CCNP, NW Specialist certification, large-scale network experience. • Preferred (Server): LPIC/LinuC, Windows Server construction experience, knowledge of virtualization technology. • Preferred (Security): Certified Information Security Professional, CISSP, SOC/CSIRT experience. • Language: Japanese Level (Business Level/JLPT N2 required). English Level (None). ■Working Conditions • Working Hours: 9:00 AM - 6:00 PM (may vary by client). • Benefits: Comprehensive social insurance, defined contribution pension plan, health checkups, work-from-home system, learning support/training program. • Holidays: Five-Day Workweek, Paid Holidays, Congratulatory or Condolence Leave. • Contract Period: Full-time employee.