SRE Engineer

Date PostedMay 30, 2026LocationTokyo, JapanCompany4M Career KKSalaryJPY 7000K - JPY 10000KTypeit (hardware/network) - sre engineer it (hardware/network) - devops/devsecops engineer it (hardware/network) - cloud engineer

Job Summary

The SRE Engineer will focus on system performance optimization, infrastructure automation, and site reliability. Key tasks include implementing container orchestration with Kubernetes, building CI/CD pipelines, and managing system operations. The role requires collaboration with international teams and strong technical expertise in cloud-based large-scale systems.

Responsibilities

  • Ensure stable system operation
  • Design, build, and operate infrastructure
  • Automate and streamline operational tasks
  • Handle incidents and post-incident improvements

Required Skills

  • 2+ years SRE experience
  • SLO/SLI design and operation
  • Docker and Kubernetes proficiency
  • CI/CD pipeline management
  • Cloud infrastructure expertise

Job Details

Position Details - Evaluate and analyse overuse and underuse of system resources, identify issues, plan and implement improvements, promote system design in accordance with SLA-compliant service levels, enhance monitoring, automate operational tasks, and modernize systems through coding. - Manage the operations team, and plan and promote system operation strategies. Detailed Responsibilities: - Implement container orchestration using Kubernetes and Docker. - Design, build, and operate CI/CD pipelines. - Monitor and optimize system performance. - Handle incidents and implement post-incident improvements. - Develop and introduce automation tools for operational tasks. - Collaborate with backend and mobile developers, overseas members, maintenance and operation staff of other services, and members of other departments. Work Approach: - Management and execution of each phase from requirements definition to development, testing, and deployment related to SRE tasks. - Continuous improvement and minor bug fixes released through the agile development process. - Skill enhancement through team training. Mandatory Qualifications: - 2+ years of practical experience as an SRE. - Experience in designing and operating SLO/SLI. - Experience in Docker and Kubernetes environments. - Experience in CI/CD development and operation. - Experience in operating and maintaining cloud environments and large-scale systems. - Ability to build teams and promote projects. - Business level Japanese. Languages: - English: Business Conversation Level (TOEIC 735-860). - Japanese: Business Level (JLPT Level 2 or N2).